American Hazelnut
A Tough Minnesota Native with Edible Nuts and Year-Round Wildlife Value
American Hazelnut (Corylus americana) is a rugged, multi-stemmed Minnesota-native shrub that does it all: dangling yellow catkins in late winter, edible hazelnuts in fall, golden fall color, and dense thickets that screen and shelter wildlife. It's adaptable, cold-hardy, and easy. Whether you're planting an edible hedge in Woodbury, screening a property line in Minnetonka, or building a native wildlife planting in Maple Grove — American Hazelnut is a productive, dependable choice for zone 4b–5a yards.
American Hazelnut Plant Details
| Attribute | Detail |
|---|---|
| Scientific Name | Corylus americana |
| Common Names | American Hazelnut, American Filbert |
| Mature Height | 8–16 feet |
| Mature Width | 8–13 feet |
| Growth Rate | Moderate to fast — multi-stemmed, suckering; forms thickets |
| Sun | Full sun to part shade. Best nut production in full sun. |
| Water | Moderate. Adaptable; consistent moisture the first year. |
| USDA Zones | 3–9 (Twin Cities is zone 4b–5a) — fully hardy and reliable here |
| Soil | Very adaptable — tolerates Minnesota clay-loam and a wide range of soils. |
| Foliage | Deciduous — broad green leaves turning gold, orange, and russet in fall. |
| Winter Hardiness | Reliable to -40°F. A tough Minnesota native. |
| Deer Resistance | Moderately deer-resistant; deer may browse young plants. |
| Native Status | Minnesota native — supports native wildlife, pollinators, and the Lawns to Legumes program. |
| Nuts | Edible hazelnuts in fall (plant two or more for best pollination); yellow catkins in late winter. |
American Hazelnut Uses in Minnesota Landscapes
Edible landscaping
The tasty hazelnuts are a homegrown treat — plant two or more shrubs for cross-pollination and a better harvest. A great choice for an edible hedge or food-forest planting in the Twin Cities.
Screening and thickets
Its suckering, multi-stemmed habit forms a dense thicket that screens a property line in Minnetonka or Woodbury and shelters birds and wildlife.
Native and wildlife plantings
As a Minnesota native it anchors a habitat or naturalistic planting, feeding pollinators, birds, and small mammals through the seasons.
Best Time to Plant American Hazelnut in Minnesota
Fall (late August–early October) is the ideal planting window. Soil is still warm for root development, cool air reduces transplant stress, and the plant gets 6–8 weeks to establish roots before ground freeze (typically mid-November in the Twin Cities).
Spring (late April–May, after the ground thaws) is the second-best window, giving the shrub a full season to establish before its first winter.
Avoid summer planting (June–August) when possible. Never plant after mid-October or before late April — frozen ground or frost-heaving kills new roots.
How to Plant American Hazelnut
- Dig wide, not deep — 2–3× the root ball width, same depth as the container.
- Plant two or more for cross-pollination and a better nut crop; give them room to form a thicket.
- Backfill with native soil mixed with 20–30% compost; firm gently and water in well.
- Space 8–10 feet apart for a screen or hedge.
- Build a 3–4 inch water basin to direct water to the roots; flatten it before winter.
- Mulch 2–3 inches with shredded bark, kept off the stems. Remove suckers if you want to limit spread; leave them to form a thicket.
Watering American Hazelnut in Minnesota
First Year Watering Schedule
- Weeks 1–2: Every 1–2 days, deep and slow (15–25 minutes)
- Month 1–2: Every 3–4 days
- Month 3–6: Every 5–7 days; less if rainfall is adequate
- Stop watering 2–3 weeks before ground freeze (typically late October in the Twin Cities metro).
After Year One
Established hazelnut is fairly drought-tolerant but produces the best nut crop with steady moisture during the growing season. Let natural rainfall do most of the work otherwise.
Drip Irrigation in Minnesota
If used, place emitters 18–24 inches from the trunk and keep the root zone evenly moist during nut development. Always winterize the system — blow out the lines before freeze and shut timers off by early October.
Do I need more than one for nuts?
Yes — hazelnuts are wind-pollinated and crop best with two or more plants nearby for cross-pollination.
Is it native to Minnesota?
Yes — Corylus americana is a Minnesota native, well adapted to our climate and valuable for wildlife.
How big does it get?
A large shrub, 8–16 feet tall and wide, that suckers to form a thicket — give it room or remove suckers to contain it.
When are the nuts ready?
In fall — harvest as the husks turn brown, before squirrels and birds beat you to them.
You May Also Like
- Common Witch Hazel — a native shrub with fragrant late-fall blooms
- Minnesota Natives — regionally native shrubs and trees for habitat and easy care
- Shop the full Three Timbers Minnesota catalog — zone 4-hardy plants hand-selected for Twin Cities yards
How Many American Hazelnut Do I Need?
For a screen, edible hedge, or wildlife thicket, space American Hazelnut 8–10 feet apart — and always plant at least two for cross-pollination and a real nut crop:
| Run Length | Plants Needed |
|---|---|
| 20 ft | 3 |
| 40 ft | 5 |
| 60 ft | 7–8 |
| 80 ft | 9–10 |
For a naturalistic wildlife corner, a group of 2–3 will knit into a single thicket within a few seasons.
American Hazelnut Season-by-Season in Minnesota
- Spring: Dangling yellow catkins shed pollen in earliest spring — often before the snow is fully gone — then broad green leaves unfold.
- Summer: Dense, leafy stems make a full privacy screen while the nuts swell inside fringed, leafy husks.
- Fall: Harvest season — hazelnuts ripen as husks brown (race the squirrels), and foliage turns gold, orange, and russet.
- Winter: Sturdy multi-stemmed structure shelters songbirds, with next spring's catkins already formed and visible on the bare stems.
At a Glance
✔ Minnesota Native ✔ Edible
Plant It With
- Common Witch Hazel — a fellow native that blooms fragrant yellow in late fall, after hazelnut harvest.
- Arrowwood Viburnum — native hedging partner with berries for the same songbirds.
- Gray Dogwood — a thicket-forming native that extends the wildlife screen.
- Compact American Cranberrybush — native berries and fall color at the front of the planting.
Is American Hazelnut Right for Your Yard?
Pick it if you have room for a big, naturalistic native — a sunny-to-lightly-shaded property line, back corner, or food-forest plot where a 10-foot suckering thicket is a feature, not a problem. Not a fit for small, formal foundation beds: it suckers and spreads, and constant sucker removal fights its nature.