You need at least 2 genetically different chestnut trees for cross-pollination and nut production. However, we recommend planting at least 3 trees, and ideally 6–10 when space allows, for more reliable pollination and heavier nut production.

Chestnuts are primarily wind-pollinated, so they don’t need to be planted directly beside one another. For reliable pollination, we recommend keeping compatible chestnut trees within about 100 feet of each other; in our commercial orchards and hunting properties, we typically plant chestnuts on 20–30 foot centers, which provides excellent spacing for both pollination and long-term growth.

Yes! Our September and November Drop American Hybrid Chestnuts can effectively cross-pollinate because their flowering windows typically overlap. As a general rule, we recommend pairing varieties with drop times within two months of each other—for example, August can pollinate September and October, while September can pollinate October and November; we would not rely on August to pollinate November or December because their flowering windows are generally too far apart.

Chestnuts typically produce their long male catkins in late spring to early summer, often around May through June depending on your climate. When planting a one-year-old seedling, you will typically begin seeing catkins around year 3, and once catkins appear, it’s a great sign of tree health and maturity—more often than not, you can expect to see nut production that same year or the following year.

For reliable fruit production, we recommend planting at least 3 apple or crabapple trees, with at least 2 different varieties in the same area. Planting all of the same variety can lead to poor cross-pollination, while mixing compatible varieties with overlapping bloom periods helps ensure better pollination and more consistent fruit production from year to year.

Because apples and crabapples rely primarily on bees and other pollinating insects, compatible varieties should be planted close enough that pollinators can easily move between them. We recommend keeping your pollinating trees within about 50 feet of one another, with closer spacing generally providing more reliable cross-pollination. Ideal spacing is 20-30 feet. 

Yes! Our apple and crabapple varieties can generally cross-pollinate one another as long as their bloom periods overlap. Crabapples are often excellent pollinators because they typically produce an abundance of flowers and pollen.

Not necessarily. Fruit ripening or drop time does not determine pollination compatibility—what matters is whether the trees flower at the same time in spring. An early-dropping apple may successfully pollinate a late-dropping apple or crabapple if their bloom periods overlap.

Most apple and crabapple varieties have overlapping flowering periods in the spring, which allows them to cross-pollinate. Because bloom timing can vary depending on variety, location, and spring weather, we recommend planting at least 3 trees with at least 2 different varieties in the same area. This provides a better opportunity for overlapping blooms and reliable cross-pollination.

Apple and crabapple trees typically flower in spring, often April through May depending on your climate and variety. Young trees may take a few years to begin flowering, and once you start seeing consistent blooms, it is a good indication that the tree is reaching reproductive maturity and can begin producing fruit when properly pollinated.

For reliable fruit production, we recommend planting at least 3 pear trees, with at least 2 different varieties in the same area. Planting all of the same variety can lead to poor cross-pollination, while mixing compatible varieties helps ensure better pollination and more consistent fruit production from year to year.

Because pears rely primarily on bees and other pollinating insects, compatible varieties should be planted close enough that pollinators can easily move between them. We recommend planting pear trees on approximately 20–35 foot centers when possible, which provides good spacing for both pollination and long-term growth. Pear trees can still successfully cross-pollinate at greater distances, and we generally recommend keeping compatible varieties within 100 feet of one another for reliable pollination.

Yes! Kieffer Pear is considered partially self-pollinating, meaning a single tree is capable of producing fruit without another pear variety nearby. However, we still recommend planting another compatible pear variety nearby for better pollination and heavier, more consistent fruit production.

Yes! Different pear varieties can generally cross-pollinate one another as long as their flowering periods overlap. This is why we recommend planting at least two different varieties in the same area rather than planting an entire group of the same variety. All our pear varieties are compatible with each other.

Pear trees typically flower in early to mid-spring, although timing varies depending on your climate, variety, and spring weather. Young trees may take a few years to begin flowering, and once you start seeing consistent blooms, it is a good indication that the tree is reaching reproductive maturity and can begin producing fruit when properly pollinated.

For reliable fruit production, we recommend planting at least 3 grafted persimmon trees in the same area, including a known pollen-producing variety. One of our self-fertile grafted varieties that produces male and female flowers can serve as the pollinator for other female persimmon varieties nearby, while also producing fruit of its own.

With seedling American persimmons, you won’t know whether the tree is male or female until it reaches flowering age. That can mean waiting years only to discover you don't have the female trees needed to produce fruit. Purdue University notes that seedlings may take many years before their sex can be identified and recommends grafted or budded trees when known characteristics are desired. Select self-fertile grafted varieties can also produce both male and female flowers, allowing them to produce fruit while helping pollinate other female trees nearby.

Yes, if the cultivar produces viable male flowers. A persimmon that produces both male and female flowers can provide pollen for nearby female trees while also producing its own fruit. This makes these varieties especially valuable in a persimmon planting because you can establish a known pollen-producing tree rather than waiting for an unknown seedling to mature. Persimmons with both sexes of flowers on the same tree are documented, although this is not the normal condition for wild American persimmons.

Self Fertile Vareities: 

Deer Candy, Deer Magnet, & Meader

Persimmons are primarily insect-pollinated, with bees moving pollen between flowers. We recommend planting persimmons on approximately 20–30 foot centers when possible, providing good spacing for pollination as well as long-term tree growth. We recommends roughly 20 × 20-foot spacing for persimmons.

American persimmons typically flower in late spring to early summer, often around May through June depending on location and weather. Male flowers are generally smaller and occur in clusters, while female flowers are typically larger and occur individually. Grafted trees mature much quicker and it is not uncommon to see flowers 3 years after planting a one year old graft. 

If compatible oak trees are already established on or around your property, you do not necessarily need to plant multiple new trees together for pollination. Existing oaks can provide wind-blown pollen to your newly planted trees. If there are no compatible oaks nearby, we recommend planting a minimum of 3 compatible oak trees in the same general area to help ensure reliable cross-pollination and future acorn production.

There is no strict spacing requirement for oak pollination because their pollen is carried by the wind. If you're establishing oaks in an area without existing compatible trees, planting your group on approximately 20–30 foot centers provides good proximity for pollination while still giving the trees plenty of room for long-term growth.

No. Oaks do not necessarily need another tree of the exact same variety. Closely related, compatible oak species can exchange pollen when their flowering periods overlap, and natural hybridization between oaks is common. In general, oaks within the white oak group are most likely to cross with other white oaks, while oaks within the red oak group are most likely to cross with other red oaks.

Yes! If compatible mature oaks are already growing on or around your property, you can plant your new oaks individually or throughout the property without creating dedicated pollination groups. Wind can carry pollen from the surrounding oak population to your trees.

Even a mature, healthy oak will not necessarily produce a heavy acorn crop every year. Acorn production naturally fluctuates, and weather during flowering, late freezes, drought, insects, tree health, and pollination can all influence production. Oaks also experience mast years, when they produce exceptionally large acorn crops, followed by years with lighter production.

Oak trees typically flower in spring as new growth and leaves begin to emerge, although exact timing varies by species, location, and weather. Male catkins are usually the easiest flowers to notice. Once your tree begins producing catkins and female flowers, it has reached reproductive maturity and can begin producing acorns when successfully pollinated.

When planting shrubs for berry or fruit production, we recommend planting a minimum of 3-5 seedlings of the same species in an area, with larger plantings being even better. Because our seedlings are genetically different from one another, planting several together provides multiple potential pollen sources and increases the opportunity for successful cross-pollination and heavier fruit production.

Generally, no. Unlike grafted fruit trees where we may recommend planting different named varieties, our shrubs are seed-grown, so individual plants already have different genetic makeups. For example, planting 5 Highbush Cranberries gives you 5 genetically different seedlings rather than 5 identical clones. This natural genetic diversity makes seedling plantings well suited for cross-pollination.

For most thicket and wildlife plantings, we recommend planting shrubs approximately 5–8 feet apart, depending on the species and the type of cover you're trying to create. This keeps plants close enough for pollinating insects to easily move between flowers while giving them room to develop into a dense thicket. University of Minnesota guidance similarly uses relatively close shrub spacing in wildlife/windbreak-style plantings. 

Several of our most popular wildlife shrubs produce fruit, including Highbush Cranberry, Elderberry, Silky Dogwood, Nannyberry, Thicket Crabapple, Thicket Plum, and a few others. These fruits can provide an important seasonal food source for deer, birds, and other wildlife. Silky Dogwood, for example, produces abundant bluish-white fruits that are readily consumed by numerous bird species.

Every seed-grown shrub is genetically unique. Instead of planting several genetically identical clones, a group of seedlings naturally provides genetic diversity within the planting. This is especially beneficial for species that depend heavily on cross-pollination. Dogwoods, for example, are insect-pollinated, and Forest Service research on closely related dogwoods shows that cross-pollination can be important for successful fruit set.