Silver King Euonymus
Euonymus japonicus 'Silver King'
Essentials
At a Glance
Plant Type
Shrub
Height
72 inches
Width
48 inches
Light
Full Sun, Partial Sun, Shade
Zones
6, 7, 8, 9
Water
Low to medium
Humidity
Adaptable
Lifespan
20+ years
Native To
Japan, Korea, China
Toxicity
Mildly toxic if ingested
The Story
Plant Bio
Euonymus japonicus is a dense, broadleaf evergreen shrub valued for its leathery, glossy leaves and tolerance of a wide range of growing conditions. 'Silver King' is a popular variegated cultivar featuring glossy, dark green leaves with wide, silvery-white to creamy-white margins. This bright variegation makes it stand out.
Bloom Period:
Uses & Benefits:
Marketplace
Where to Buy
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Planting
How to Grow
- Plant in any average, well-drained soil; it is highly adaptable.
- Choose a location in full sun to partial shade for best variegation.
- Dig a hole as deep and twice as wide as the root ball.
- Place the plant, backfill with soil, and water thoroughly.
- Water regularly during the first growing season to establish.
- Prune as needed in early spring to maintain desired size and shape.
Pro Tip
Prune out any all-green branches (reversions) as soon as they appear to maintain the plant's variegation.
Keep It Thriving
Care Guide
Do
- Provide good air circulation to help prevent powdery mildew.
- Monitor closely for Euonymus scale, especially in warmer climates.
- Prune to shape in early spring before new growth starts.
- Remove any all-green stems immediately to prevent reversion.
Don't
- Do not plant in poorly drained, constantly wet soils.
- Avoid overhead watering late in the day to reduce mildew risk.
- Do not let scale infestations go untreated as they can kill the plant.
- Avoid planting in deep shade if you want the brightest variegation.
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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
Silver King Euonymus questions
What zones can Silver King Euonymus grow in?
Silver King Euonymus is hardy in USDA Zones 6–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Silver King Euonymus deer resistant?
Yes — Silver King Euonymus is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Silver King Euonymus bloom?
Silver King Euonymus typically blooms in late spring through early summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Silver King Euonymus need full sun?
Silver King Euonymus does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
Is Silver King Euonymus drought tolerant?
Yes — once established (usually after the first full season), Silver King Euonymus handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.
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Keep exploring
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Grow Silver King Euonymus 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.
