shrubN. America Native

Squashberry

Viburnum edule

The Story

Plant Bio

Viburnum edule is a deciduous shrub native to cold northern regions of North America, reaching two to eleven feet in height with an open, arching growth habit. Small white flowers bloom in compact flat-topped clusters during spring, followed by bright red edible fruits that ripen in late summer.

Distinct from larger highbush cranberries, it features smaller flower clusters only one to three centimeters wide and shallowly lobed, finely toothed leaves. The tart berries are non-toxic and traditionally gathered for preserves, while providing a rich food source for native songbirds and mammals.

Uses & Benefits:

Ornamental UsesOffers delicate white spring flowers, lush lobed foliage, and bright red autumn berries.
Practical UsesYields edible red berries that become pleasantly tart for jams and jellies after frost.
Ecological BenefitsProvides nectar for native bees and edible fruits for songbirds, grouse, and small mammals.

Essentials

At a Glance

Plant Type

Shrub

Height

138"

Width

138"

Light

Full Sun, Partial Sun

Zones

4, 5, 6, 7

Water

High

Humidity

High

Lifespan

Perennial

Native To

North America

Toxicity

Non-toxic

Bloom period

Spring – Early summer

J
F
M
A
M
J
J
A
S
O
N
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In flower about 4 months of the year

Planting

How to Grow

  1. Select a planting location in full sun to partial shade with moist, rich, organic soil.
  2. Dig a planting hole twice as wide as the root ball and set the shrub at the same depth it grew in its container.
  3. Backfill with native soil mixed with compost, firm gently, and water thoroughly.
  4. Spread a 2- to 3-inch layer of organic mulch around the root zone, keeping it clear of the main stems.

Pro Tip

Maintain consistent soil moisture through summer dry periods; prolonged drought causes immediate defoliation.

Keep It Thriving

Care Guide

Do

  • Keep soil consistently moist, especially during hot summer weather.
  • Mulch heavily around the root zone to conserve soil moisture.
  • Prune lightly right after flowering to control size and remove dead stems.

Don't

  • Do not let the soil dry out completely during dry spells.
  • Do not shear heavily or cut back into old leafless wood.
  • Do not apply heavy doses of high-nitrogen synthetic fertilizers.

Seasonal Care Calendar

TaskJanFebMarAprMayJunJulAugSepOctNovDec
Fertilize
Mulch
Pest Check
Prune

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Rain GardenUnderstory PlantingEdible LandscapeNative Restoration

Multiply

Propagation Methods

Good to Know

Common Questions

Squashberry questions

What zones can Squashberry grow in?

Squashberry is hardy in USDA Zones 4–7. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Squashberry deer resistant?

Not reliably. Deer may browse Squashberry, especially tender spring growth — plan on repellents or fencing where pressure is high.

When does Squashberry bloom?

Squashberry typically blooms in spring through early summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Squashberry need full sun?

Squashberry does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.

Keep exploring

Grow Squashberry with confidence

See it in a design of your actual yard, get zone-matched care reminders, and track it season by season in your garden journal.