
Summer Beauty Ornamental Onion
Allium x moly 'Summer Beauty'
Essentials
At a Glance
Plant Type
Bulb Corm Tuber
Height
20 inches
Width
15 inches
Light
Full Sun, Partial Sun
Zones
4, 5, 6, 7, 8, 9
Water
Low to moderate
Humidity
Average
Lifespan
Perennial
Native To
Cultivar (Asian parentage)
Toxicity
Toxic to dogs and cats
The Story
Plant Bio
Allium x moly 'Summer Beauty' is a perennial bulb that produces lovely clusters of star-shaped purple flowers. This cultivar exhibits a longer blooming season compared to other Allium species.
Bloom Period:
Uses & Benefits:
Marketplace
Where to Buy
Shipping costs Year-round shipping Free shipping
Planting
How to Grow
- Tuck bulbs 4-6 inches deep in well-draining soil in fall.
- Water thoroughly after planting to settle soil.
- Mist foliage during dry spells in summer for best blooms.
- Remove spent flowers to encourage new growth.
- Divide clumps every 3-4 years in early spring or fall.
- Apply a balanced fertilizer in early spring for optimal growth.
Pro Tip
Plant bulbs in full sun with sandy or loamy soil for best flowering results.
Keep It Thriving
Care Guide
Do
- Water regularly during active growth 🌱
- Apply fertilizer in spring to promote vibrant blooms
- Mulch to retain moisture and suppress weeds
Don't
- Avoid overwatering to prevent bulb rot ❌
- Don't plant in heavy clay soil without amendments
- Refrain from cutting foliage too early after flowering
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Deadhead | ||||||||||||
| Divide | ||||||||||||
| Fertilize | ||||||||||||
| Plant | ||||||||||||
| Spring Cleanup |
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
Summer Beauty Ornamental Onion questions
What zones can Summer Beauty Ornamental Onion grow in?
Summer Beauty Ornamental Onion is hardy in USDA Zones 4–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Summer Beauty Ornamental Onion deer resistant?
Yes — Summer Beauty Ornamental Onion is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Summer Beauty Ornamental Onion bloom?
Summer Beauty Ornamental Onion typically blooms in mid-summer through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Summer Beauty Ornamental Onion need full sun?
Summer Beauty Ornamental Onion does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
Is Summer Beauty Ornamental Onion drought tolerant?
Yes — once established (usually after the first full season), Summer Beauty Ornamental Onion handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.
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