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Montmorency is very cold hardy and disease resistant. If you purchase plums that are unripe, it is worth the small effort to allow plums to ripen before eating. Montmorency Cherry trees thrive in hardiness zones 4-7 and love well-draining soil. Report a problem with trees within Housing . Because they bloom later than sweet cherries, Montmorency are more dependable fruit producers in cooler climates. Rainier is a white sweet cherry that does need a pollinator. Feel the plum. With most self-fertile plants, while planting more than one is not needed, it will greatly benefit the harvest you get every year. I hope Im sending this email to the right place, or at least that it finds the right destination for an answer. "All sour cherries are self-fruitful, such as Montmorency, North Star, Balaton, Meteor, English Morello, Early Richmond, Hansen Bush Cherry and Nanking. Now, more than 94 percent of Montmorency tart cherries consumed in the U.S. are grown in the U.S. Buying Cherry Trees. 80% of pie cherry trees grown in America and Canada are Montmorency! It is self-fertile and does not need a pollination partner, but fruiting will usually be improved if there is a compatible partner of a different variety nearby. The following varieties will pollinate this cherry tree. This tree is self-fertile, but planting two or more trees will ensure the best crop. Cherry Pollination Sweet Cherry In sweet cherries, most commercial cultivars are self-unfruitful and must not be planted in solid blocks of a single cultivar. There have been tons of studies on tart Montmorency Cherries including their ability to help with arthritis as well as heart health. Almost all SWEET cherries (Van, Bing, Viva, Black Tartarian and others) need cross pollination with a different variety of sweet cherry. You can tell the difference between Montmorency (tart cherry) and Rainier (sweet cherry by the shape and size of the leaves, and the general shape of the tree. In that study, drinking Montmorency tart juice reduced blood levels of gout-causing uric acid and increased specific anthocyanin compounds in the bloodstream. Sign up for our newsletter. Montmorency requires 600 - 700 chill hours. The Montmorency Cherry tree is cold hardy and typically ripens earlier than most fruit trees early in the season. You dont need another tree to produce fruit, but having two or more trees of different varieties close together may improve your harvest. According to the Colorado State University Extension, fruit trees in general should be planted no more than 60 to 120 feet apart to guarantee the best chance of pollination. The most dependable fruit producers are sour cherries that don't need another variety for cross pollination. 3 How do you care for a Montmorency cherry tree? Emerging evidence suggests that the Montmorency tart cherries health benefits come from the unique attributes make the nutritional profile hard to top. Self-fertile. Self-pollinating. Check the color. There are two main varieties (groups of cultivars) of the sour cherry: the dark-red Morello cherry and the lighter-red Amarelle cherry. One important thing to note is that you can find Montmorency Cherries in either a regular tree size or a dwarf size that you can easily keep on your back porch. Bing, Lambert, Royal Ann/Napoleon, are also cross-unfruitful and cannot be depended upon to provide pollen for each other. The pollination table below is a partial guide to help select pollen source parents. A-Z of recycling . 3 What is the best time to plant cherry tree? Sour cherry trees will bear fruit 4 to 6 years after planting. It bears fruit 3 to 5 years after planting, and it is adapted to Zones 4 to 7. The addition of a Montmorency Cherry tree to your backyard will give you nutritionally dense fruit year after year. Hi, It is known for its large size, excellent disease resistance, and heavy production. Montmorency Cherry trees are self-fertile which means they truly only need one in order to produce a crop of cherries that you can harvest. Your Stella cherry tree is in flowering group 4. You can tell the difference between Montmorency (tart cherry) and Rainier (sweet cherry by the shape and size of the leaves, and the general shape of the tree. Enter a Melbet promo code and get a generous bonus, An Insight into Coupons and a Secret Bonus, Organic Hacks to Tweak Audio Recording for Videos Production, Bring Back Life to Your Graphic Images- Used Best Graphic Design Software, New Google Update and Future of Interstitial Ads. No need for a fancy cherry pitter. Eating Montmorency Cherries is a great choice to add health-conscious food to your diet and easily accessible when you have one planted out your backdoor. Van produces an abundance of sweet, shiny and black, crack-resistant cherries in mid-summer. These trees can thrive in soil that is not very rich or fertile. The following varieties will pollinate this cherry tree. The sour cherry varieties are almost all self-fruiting. I also have a Montmorency Cherry tree that will get much larger, in the 15 - 20 tall and wide . If you want to read some of my most popular posts, check out the Best of GreenUpSide page here. Your Montmorency cherry tree is in flowering group 4. Tarts have much smaller leaves and tends have a more bushy tree with spindly branches than sweet cherries. Spring white flowers in clusters of 24 on long pedicels are borne on one year old wood as well as spurs. Planting. In the first summer after planting the tree, water well if conditions become dry. Pollen Compatibility Table Fruiting variety Compatible Pollinizers Bing Sam, Van, Montmorency*, Rainier, Stella, Lambert Sam, Van, Montmorency, Rainier, Stella, Rainier Sam, Van, Bing, Royal Ann, Lambert, Mont Royal Ann Sam, Van, Montmorency, Rainier, Stella. Bing, Lambert, Royal Ann/Napoleon, are also cross-unfruitful and cannot be depended upon to provide pollen for each other. Maintenance of your cherry tree should include yearly pruning during the dormant season. There are some differences between these two types with regards to self-pollination and other factors. Minneopa Orchards is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. Most sweet cherries are self-unfruitful (self-incompatible, SI) and require cross pollination with another variety as the pollen source. Do you need to pollinate a Montmorency cherry tree? Cherry trees release a resin-like sap when they've been injured. Move bees into orchards on the first day of bloom. The Montmorency Sour Cherry Tree is self-fertile and ripens in late-July. Answer: Sour or tart cherries are self-fruitful. Also select an area with well-drained soil. Pollinating a cherry tree in the sweet category with the same cultivar will not result in fruit. Montmorency Cherry trees are self-fertile which means they truly only need one in order to produce a crop of cherries that you can harvest. What kind of soil does a Montmorency cherry need? A sweet cherry tree will produce 30 to 50 quarts of fruit per year (15 to 20 quarts for dwarf sweet cherry trees). A naturally dwarf tree, ideal for small spaces. Last few weeks for bare-root fruit trees - please order ASAP. The wild black cherry is not a reliable pollinator for sweet cherry. However, you will get more fruit if you include another pollinator in your yard. See our detailed article on pruning cherry trees. It is also important to choose a type that will work with your location. Early-bloom: SI Somerset; SF Lapins and Skeena. Commercially grown plums are picked before they are ripe and allowed to ripen after picking. This variety is used to make dried cherries and is perfect for pies and jams. Bing, Lambert . Fortunately, unlike the many sweet cherry tree varieties, Montmorency cherry trees are easy to pollinate. Index, Lapins, Skeena, Sweetheart, White Gold, Sonata, Stella, Symphony, Sunburst, and Black Gold are self-fruitful (SF) andcan serve as universal pollen sources for many self-unfruitful varieties with the same bloom time. You also know how to choose different types to stagger harvest dates and get fresh fruit for a longer time. Only a couple, such as the sweet cherries Stella and Compact Stella, have the ability to self-pollinate. Be prepared to plant more than one type of plum tree because many types require cross-pollination to produce fruit, although there are some varieties that can produce fruit on their own. The following varieties will pollinate this cherry tree. I live in Muskegon, MI and 2 Hi, Let's solve your gardening problems, spend more time growing, and get the best harvest every year! Bird netting is a pain but so much better than watching all your fruit get eaten by the birds. For example, most sweet cherries must be pollinated with compatible sweet cherry trees. It is not self-fertile and needs a pollination partner of a different variety nearby. Select later-blooming cherry tree varieties with lower chilling hour requirements that are suitable for zone 8. The tree is smaller than the sweet cherry (growing to a height of 4-10 m), has twiggy branches, and its crimson-to-near-black cherries are borne upon shorter stalks. Find out which items can been recycled and ideas for reusing and reducing your waste. It is always best to pollinate fruit trees of the same genus with each other (apples with apples, pears with pears) but pears can cross-pollinate with apples as long as both trees bloom at the same time. Information on how to recycle your real Christmas tree. Tarts have much smaller leaves and tends have a more bushy tree with spindly branches than sweet cherries. There are several cultivars of sweet cherries that are self-fruitful. Montmorency Cherry Trees are self-fertile . Montmorency Cherries have such a unique and interesting name because of where they were first cultivated. You dont need another tree to produce fruit, but having two or more trees of different varieties close together may improve your harvest. 1 review. This is the most popular cherry in America, and for good reason, so consider a Montmorency if you are looking for a new fruit tree for your home orchard or a dwarf variety for your small yard. They contain a toxin which can be quite poisonous when the pits are crushed and eaten. Out of stock. How long does it take for a grafted cherry tree to bear fruit? Other fruit trees, like most apple, plum, sweet cherry and pears are cross-pollinating or self-unfruitful. The sweet cherries, with few exceptions, need pollen from a different but compatible cultivar to set cherries. Some varieties are self-fertile, so they can be planted alone and still bear fruit. Do cherry trees need cross pollination? This incredibly reliable variety produces an abundance of cheery, bright red cherries with clear juice. Christmas tree recycling . Montmorency cherries are used in a variety of ways in the kitchen, but its important to know that their flavor is often tart and tangy right off of the tree. A Montmorency Cherry is an incredibly popular cherry to use for baking because of how beautifully its tart flavor combines with the sweetness of baked goods. However, most sweet cherry trees need another cherry tree nearby to ensure pollination and fruit production. If you only want to grow one cherry tree, choose Stella - self-fertile, easy to grow, and a good pollinator. The following varieties will pollinate this cherry tree. How old is a Montmorency cherry tree when it blooms? I use a spoon handle and just press down on the cherry and pull the stempit comes out easily. However, you will get more fruit if you include another pollinator in your yard. Pollination of Cherry Trees in the Sour Category If you have a sour cherry tree or pie cherry, you're in luck. Most sweet cherry varieties are self-unfruitful (self-incompatible, SI) and require cross pollination with another variety as the pollen source. It is self-fertile and does not need a pollination partner, but fruiting will usually be improved if there is a compatible partner of a different variety nearby. Bing, Lambert, Royal Ann/Napoleon, are also cross-unfruitful and cannot be depended upon to provide pollen for each other. When the tree becomes covered in fruit, the weight can easily cause the tree to lean and cause issues. By planting more than one Montmorency Cherry you will be greeted by a significantly larger crop of cherries that you can use throughout all of your baked goods. Cross-pollination is the transfer of pollen from one plant to the flower of a different variety. I hope you found this article helpful. While you wait for the cherries to ripen on your cherry tree you can begin looking up the slew of recipes that utilize tart cherries. Pollination of Stella cherry trees. Fruit trees are a great choice for any backyard and can add a pop of color to different areas of your yard. I recommend removing the chokecherry. These trees can thrive in soil that is not very rich or fertile. Vigorous rootstock. Whether you just discovered gardening in mid-summer, you have a very short growing season, or life just got in the way, you can still grow a garden from seed even halfway through the summer. All of the remaining varieties must have a cultivar of a different type to pollinate successfully. Furthermore, certain groups of cultivars are cross incompatible with each other; do not plant together. 5 What kind of fruit does Montmorency cherry tree have? If you send some pictures of the leaves (on a flat surface so they are in focus) I should be able to tell you if they are tart or sweet. Are Moleskine notebooks made out of moleskin? Cherry trees make excellent shade trees as well as providing delicious fruit. Stella cherry trees are hardy in zones 5 to 8. Pollination of cherry trees is necessary to get fruit, so its best to have a compatible cultivar planted at least 100 feet (30.5 m.) from your variety. Choose another variety Varieties that will pollinate Montmorency in our catalog BlackGold Many people utilize the tart cherry juice from Montmorency cherries in baked goods as well as jams, preserves, and more to get the most out of the health benefits they offer. North Star and Black Gold are late-season pollinators while Stella is an early-season variety. Montmorency is a self-fertile variety, which means you can grow it without other cherry varieties in the area for pollination. These plants require cross-pollination for fruit set. Of course, planting other cherry trees near these ones can increase the size of your harvest. Sweet cherries grow in hardiness zones 5 to 7; they are self-sterile and best for an orchard or a large garden. The following varieties will pollinate this cherry tree. Very few flowers are wind-pollinated and a good honeybee population is also essential. The cherries from this variety have a rich, tangy flavor, making them excellent for use in baked goods and preserves. self-pollinating pear trees for your garden. Your Montmorency cherry tree will be able to tolerate some drought, but its a good idea to water it regularly at least for the first growing season so that roots can become established. Your Montmorency cherry tree is in flowering group 4. Bartlett and Kieffer are good pollinators for almost all other pears, and are somewhat self-fertile and will often pollinate themselves. 1. Do this any time after you pick the cherry; the pit won't germinate and produce a seedling until . Would you believe that the majority of Montmorency Cherries are grown in the United States on small family farms all over the country? 1 Does Montmorency cherry tree need a pollinator? "All sour cherries are self-fruitful, such as Montmorency, North Star, Balaton, Meteor, English Morello, Early Richmond, Hansen Bush Cherry and Nanking. Most cherry trees require cross pollination (the assistance of another of the species). Montmorency cherries contain vitamins, antioxidant compounds and fiber, which may help decrease the risk of a variety of serious medical problems. Their use as universal pollinators should also take bloom timing into consideration as follows. These are sweet cherry leaves. The reason that Montmorency Cherry juice will help you sleep is that they are full of natural melatonin which is known to help you sleep. The highly concentrated, sugary nectar of sweet cherry blossoms attracts honeybees, as does the protein-rich pollen. The flowers are still pollinated by honeybees, but they can produce fruit just from the pollen on the tree. I just pitted 25 cups of cherries in about an hour this way. Red Hobbs. 2 What cherry trees are self-pollinating? The standard Bing cherry typically grows to a height of about 35 and a spread about 25 at maturity. learn more about growing cherry trees in this article from Stark Brothers. Herein, what are the benefits of Montmorency cherries? document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); I have a productive tree and the cherries are very easy to pit. I cant remember for sure, but its either of the Ranier variety or the Montmorency variety. A Montmorency Cherry tree becomes covered with blooms in the late Spring, and by mid-summer, you will be picking ripe cherries from your tree. This explains the how, but not the who if you will. $49.99 - $59.99. The Montmorency cherry tree is a cold-hardy hybrid species that ripens early in the season. A sour cherry tree will produce 20 to 60 quarts of fruit per year (15 to 20 quarts for dwarf sour cherry trees). Use this form to report a problem with trees managed by the Council. But certainly many factors - sun, water, soil, last year's crop, tree maturity - all can affect fruit size. Pollinating a cherry tree when you are unsure of thevariety canbe done with the Lambert or Garden Bing varieties in most cases. Chokecherry is not a good companion for a cherry planting. Black Cherry. Some varieties, e.g. How to Market Your Business with Webinars. About recycling . It can also pollinate any self-sterile cherry trees you have nearby if their blooming season overlaps. Sour cherry trees will bear fruit 4 to 6 years after planting (1 to 3 years sooner than sweet cherry trees). Abundant late spring flowers are followed by cherries that ripen and are ready to be harvested around late June. The tree does best in full sun and while self-pollinating a pollinating partner can improve cherry production. Most fruit crops do not produce the same year you plant it, but once it begins fruiting, it can continue to do so for yearsa mature cherry tree can produce about 3050 quarts of fruit in a season. Prune annually in later years, in mid July. Every time. It does need to be trimmed, badly. Two of the best overall matches are the Lambert and Garden Bing. The Norpro pitter is really designed for larger sweet cherries, but I saw a bag of frozen Montmorancies that appear larger than the ones I pick! Prunus cerasus 'Montmorency'. It has a milder flavor than "morello' type cherry varieties which have a darker flesh and very strong cherry flavor (preferred by the European market). Most sweet cherry varieties are self-unfruitful (self-incompatible, SI) and require cross pollination with another variety as the pollen source.. It has been a lovely shaped tree and has done quite well in my yard. What kind of fruit does Montmorency cherry tree have? Other sweet cherry cultivars that can pollinate Bing include Sam (Prunus avium 'Sam,' zones 5-8), Rainier (Prunus avium 'Rainier,' zones 5-8) and Van(Prunus avium 'Van,' zones 5-8). Montmorency is self-fertile and does not need a pollination partner, but fruiting may be improved if there is a compatible partner of a different variety nearby. Additionally, heavily pollinated trees may abort some of the flowers before they form fruit in order to make room for healthy cherries. Loamy to sandy soil is best and should drain well. Some sweet cherry trees are self-pollinating, including: Benton Sweet Cherry, Blackgold Sweet Cherry, Lapins Sweet Cherry, Starkrimson Sweet Cherry, Stella Sweet Cherry, and Whitegold Sweet Cherry. Pollination of Cherries Sweet cherries (Prunus avium) are the only fruit species where pollination can be problematic. When you're thinking "I'll pick those cherries tomorrow," the birds will eat them that day. Sour cherries WILL NOT pollinate sweet varieties. Sign up for our newsletter. They do bloom at the same time, I just dont know if a wild cherry tree will pollinate any sweet cherry tree, let alone mine? When wondering if a Montmorency Cherry will work in your area it is important to check the hardiness zone you are in. The Montmorency cherry tree is a cold-hardy hybrid species that ripens early in the season. A sour cherry may begin producing fruit in four or five years. Zones: 4-9 Chill hours: 700-1000 Bloom Time: Very Late (Based on typical Central Valley California weather) Harvest: May 25 - June 20 Looks: Large, light red skinned fruit with yellow flesh. The tree right by it is a sour cherry tree. Are morning glory seeds toxic to chickens? The following varieties should pollinate this cherry tree. Here are some self-pollinating sour cherry varieties from Stark Brothers: Remember that all of the sour cherry varieties mentioned in the list above are self-pollinating. These trees are self-pollinating but do better with another cultivar nearby. This will help you maintain a good shape for the tree, and it will promote good fruit production and air flow for disease prevention. Natural reproductive systems are often described using the birds and bees analogy. The Montmorency Valley in France was where this cherry tree was first grown and it took the name with it as it traveled all over the world. Planting: The Rainier prefers full sun but will tolerate some shade - select a location that receives at least 6 to 8 hours of sunlight per day for best results. Originates from Montmorency Valley, France in the 13th century, introduced to the U.S. in 1852. We suggest Black Republican, Sam, Bing, Schmidt, Cavalier, Stella, Gold, Van, Heidelfingen, Vega, Montmorency, Vista, Ranier and Windsor. An amazing aspect of Montmorency Cherry trees is how many options you have to use throughout your kitchen and cooking. Anyway, Im trying to find a pollinator for it, and Im trying to do so on a budget. MONTMORENCY CHERRY BENCHCARD Public Inventory However, Stella has been found to not work as a pollinator for Bing in some areas. Only one sour cherry tree needs to be planted for pollination and fruit set. The varieties that have their origins in Japan ripen first, and the European varieties, which we usually refer to as prune plums, ripen later. The tart flavor, with just a little sweetness, lends a unique flavor to desserts and jams. If it's longer than 4 hours, plant your seedlings in another location. Tart cherries can pollinate a sweet cherry as long as they bloom at the same time. Pollination partners Montmorency cherry trees for sale 1-year maiden trees Science: When it comes to nutritional science and cherries, most studies involve tart Montmorency cherries. Report a problem about trees on a Council Housing property. This heavy producer of excellent sour cherries is also highly prized for its medicinal properties. Good sour cherry varieties for Colorado include Montmorency, North Star, Montmore, Meteor, English Morello, Early Richmond, Hansen bush cherry and . They are on the smaller side for cherry trees, growing up to 20 feet tall with a spread . Late-bloom: SI Gold and Hudson; SF BlackGold. Every summer, you will be greeted by red fruit that, when broken open, will reveal its bright yellow interior. In a smaller garden it can be grown as an espalier, on a wall or trellis, where it will take up almost no room at all. Color, Leaves, Flowers, and Fruit: The Montmorency cherry tree produces white flowers. Perhaps you've seen this entry from our Fact Sheet. Loamy to sandy soil is best and should drain well. Regina is a modern late-season sweet cherry, ripening in mid-to-late July. Mature Size The standard Montmorency cherry typically grows to a height of about 18 and a spread about 20 at maturity. Grows very well in the upper mid-west where tart cherries do best. Alternatively, trees that seemed to be wild cherries may have been retained intentionally for pollination. These cherries retain their nutritional value no matter if you juice them, freeze them, or dry them in a dehumidifier. Whether you use the juice of the Montmorency Cherry or freeze them to add to smoothies, they are incredibly valuable to improve your health in a variety of ways. I want to say its a Ranier. How do you care for a Montmorency cherry tree? Early-bloom: SI Somerset; SF Lapins and Skeena. Expert Response. If it isnt capable, are there any varieties that pollinate both Ranier and Montmorency, since I dont know which I have? Companion Plants: Montmorency is self-pollinating. When ready for sale, they are either gassed with ethylene gas or allowed to ripen at room temperature. If planted on Gisela 5 rootstock the tree will require staking for its life. Your Montmorency cherry tree is in flowering group 4. Sweet cherry tree pollination is done primarily through honeybees. Bing cherry trees do not self-pollinate, but if you pair them with a suitable mate, they will yield abundant crops of more than 50 pounds of fruit per year. A type of sweet cherry, the black cherry tree (Prunus serotina) produces fragrant white flowers in the spring. Name - Prunus cerasus Family - Rosaceae Type - fruit tree. The North Star dwarf cherry tree is expected to reach approximately 10 feet tall and wide. to read some of my most popular posts, check out the Best of GreenUpSide page here. Dark, sweet cherries are great for fresh eating, but if you want to bake and preserve, you need something a little tart. Is Montmorency cherry juice good for gout? Montmorency Cherry trees thrive in hardiness zones 4-7 and love well-draining soil. Will a Montmorency cherry pollinate a Bing cherry? learn more about the Whitegold Sweet Cherry from Stark Brothers. Others are self-pollinating and will produce fruit by themselves. How tall and wide does a cherry tree get? Index, Lapins, Skeena, Sweetheart, WhiteGold, Sonata, Stella, Symphony, Sunburst, and BlackGold are self-fruitful (SF) sweet cherries that can serve as universal pollen sources for many self-unfruitful sweet cherry varieties (Stella does not work for Bing in some areas). That means you only need one sour cherry tree to get fruit. Montmorency Cherry Tree. When you head to the grocery store you will typically see frozen tart cherries, tart cherry juice, and more, which are typically from Montmorency Cherries. Performs best in full sun in moist, relatively fertile, well-drained soils . Kordia is a large late-season true black cherry variety with a good balanced cherry flavour. Ripens in June. In the eastern part of Colorado, sour cherries are more dependable than sweet cherries. With most self-fertile plants, while planting more than one is not needed, it will greatly benefit the harvest you get every year. Van Cherry Tree is a cold hardy cherry tree with ornamental features. A Montmorency Cherry has a tart and tangy flavor unlike the sweet cherries you may see at the grocery store. They need another tree for pollination, and not just one of the same variety, but a different variety of the same fruit. If you continue to use this site we will assume that you are happy with it. Mid- to late-mid-bloom: SI Royalton, Summit, Ranier, Royal Ann / Napoleon, Bing, Burlat, Van, Regina, Lambert, Sam, and Windsor; SF Sonata, Stella, Symphony, and Sunburst. Not all cherry trees need a compatible cultivar, so how do cherry trees pollinate? This means they can get pollen from the same cultivar to produce fruit. Thank you for your time and thanks in advance for any answers you help me with. Enter a Melbet promo code and get a generous bonus, An Insight into Coupons and a Secret Bonus, Organic Hacks to Tweak Audio Recording for Videos Production, Bring Back Life to Your Graphic Images- Used Best Graphic Design Software, New Google Update and Future of Interstitial Ads. Your Montmorency cherry tree is in flowering group 4. I planted one in 2019 and this year (2022) am getting a nice harvest! learn more about the Stark Surecrop Pie Cherry from Stark Brothers. To find other trees that bloom in pink, read my article on trees with pink flowers. Most apricots, nectarines, peaches and sour cherries are typical examples of self-pollinating trees. I bought it on clearance and there was only one left so I couldnt purchase a pollinator to go along with it. Tart, our sour cherries, are all self-fruitful. The Montmorency Cherry tree is cold hardy and typically ripens earlier than most fruit trees early in the season. Lets take a look at self-pollinating cherry trees of each type, starting with sour cherries. 2023 Gardening Know How, Future US LLC, Full 7th Floor, 130 West 42nd Street, New York, NY 10036. Montmorency is self-fertile and does not need a pollinator. The best uses for Montmorency cherries are preserves and pies. Sylvia produces large dark red sweet cherries, ripening in the middle of the cherry season. Most sweet cherries are self-unfruitful(self-incompatible, SI) and require cross pollination with another variety as the pollen source. Pollination of Rainier cherry trees. This tree is fully self-pollinating, so you'll have plenty of cherries even if you only grow a single tree. Prune young cherry trees during winter dormancy to shape them into an open center or central leader shape. Bing, Lambert, Royal Ann/Napoleon, are also cross-unfruitful and cannot be depended upon to provide pollen for each other. When grown from seed, a sweet cherry may begin producing fruit in seven to 10 years.