Snowball Viburnum
Viburnum opulus 'Sterile'
Essentials
At a Glance
Plant Type
Shrub
Height
120 inches
Width
120 inches
Light
Full Sun, Partial Sun
Zones
4, 5, 6, 7, 8
Water
Moderate
Humidity
Prefers moderate humidity
Lifespan
Decades
Native To
Europe, Asia
Toxicity
Non-toxic to humans and pets
The Story
Plant Bio
Deciduous shrub known for its striking clusters of white flowers. This cultivar is notable for being mostly sterile, producing minimal fruit and allowing for a longer blooming period.
Bloom Period:
Uses & Benefits:
Marketplace
Where to Buy
Shipping costs Year-round shipping Free shipping
Planting
How to Grow
- Select a well-drained, fertile soil with neutral to slightly alkaline pH.
- Plant in full sun to partial shade for optimal growth.
- Tuck roots into the planting hole, ensuring the root collar is level with soil surface.
- Water thoroughly after planting to settle soil and eliminate air pockets.
- Mulch around the base to retain moisture and suppress weeds for 2-3 inches deep.
- Prune after flowering to maintain shape and remove dead or crossing branches.
Pro Tip
Ensure good air circulation to prevent fungal issues and promote healthy growth.
Keep It Thriving
Care Guide
Do
- Water regularly, especially during dry spells 🌱
- Prune to shape and remove dead branches after flowering
- Apply a balanced fertilizer in early spring
- Mulch annually to conserve moisture
- Monitor for pests and diseases
Don't
- Avoid overwatering to prevent root rot ❌
- Don’t prune in late fall or winter
- Never ignore signs of pests or diseases
- Avoid planting in overly shaded areas
- Don’t fertilize excessively, which can promote weak growth
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fertilize | ||||||||||||
| Harvest | ||||||||||||
| Pest Check | ||||||||||||
| Prune |
Watch Out For
Pests & Diseases
Common Pests
Common Diseases
In the Garden
Landscape Uses & Companions
Landscape Uses
Companion Plants
Multiply
Propagation Methods
Good to Know
Common Questions
Snowball Viburnum questions
What zones can Snowball Viburnum grow in?
Snowball Viburnum is hardy in USDA Zones 4–8. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Snowball Viburnum deer resistant?
Yes — Snowball Viburnum is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Snowball Viburnum bloom?
Snowball Viburnum typically blooms in mid-spring through late spring. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Snowball Viburnum need full sun?
Snowball Viburnum does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
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Viburnum carlesii
Mariesii Japanese Snowball
Viburnum plicatum 'Mariesii'
Blue Muffin Viburnum
Viburnum dentatum 'Christom'
Shasta Viburnum
Viburnum plicatum 'Shasta'
Keep exploring
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Hardy in your zone?
Grow Snowball Viburnum 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.
