Lilac Hollyhock
Alcea rosea 'Lilac'
Not currently listed at our partner nurseries.
Essentials
At a Glance
Plant Type
Perennial
Height
72 inches
Width
24 inches
Light
Full Sun
Zones
4, 5, 6, 7, 8, 9
Water
Moderate
Humidity
Average
Lifespan
Biennial or short-lived perennial
Native To
Asia
Toxicity
Non-toxic to humans and pets
The Story
Plant Bio
Tall, stately perennial known for its large, showy flowers. This cultivar features uniquely colored lilac blooms, setting it apart from more common varieties.
Bloom Period:
Uses & Benefits:
Marketplace
Where to Buy
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Planting
How to Grow
- Choose a sunny location with well-drained soil for planting.
- Tuck seeds 1/4 inch deep and space 18-24 inches apart in early spring.
- Mist cuttings regularly to maintain humidity and encourage rooting.
- Water consistently, keeping soil moist but not waterlogged during the first growing season.
- Thin out seedlings to promote healthy growth and airflow.
- Apply a balanced fertilizer in early spring and mid-summer for optimal blooms.
Pro Tip
Mulch around plants to retain moisture and suppress weeds, especially during dry spells.
Keep It Thriving
Care Guide
Do
- Water deeply once a week during dry periods 🌱
- Prune after flowering to encourage bushier growth
- Fertilize with a balanced fertilizer in spring and summer
- Support taller cultivars with stakes if needed
- Deadhead spent blooms for prolonged flowering
Don't
- Avoid overwatering, which can cause root rot ❌
- Don’t prune in late fall or winter
- Refrain from heavy fertilization late in the season
- Don’t plant in poorly drained soils
- Avoid disturbing roots during the growing season
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Pest Check | ||||||||||||
| Prune | ||||||||||||
| Spring Cleanup | ||||||||||||
| Stake |
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
Lilac Hollyhock questions
What zones can Lilac Hollyhock grow in?
Lilac Hollyhock 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 Lilac Hollyhock deer resistant?
Not reliably. Deer may browse Lilac Hollyhock, especially tender spring growth — plan on repellents or fencing where pressure is high.
When does Lilac Hollyhock bloom?
Lilac Hollyhock 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 Lilac Hollyhock need full sun?
Lilac Hollyhock does best in full sun (6+ hours).
Is Lilac Hollyhock drought tolerant?
Yes — once established (usually after the first full season), Lilac Hollyhock handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.
More Alcea to compare
Old Farmyard Hollyhock
Alcea rosea 'Old Farmyard'
Double Hollyhock
Alcea x rosea 'Double Hollyhock Mix'
Hollyhock Country Mix
Alcea rosealca 'Country Mix'
Double Scarlet Hollyhock
Alcea rosea 'Double Scarlet'
Apricot Hollyhock
Alcea roseae 'Halo Apricot'
Hollyhock Mix
Alcea x hybrida 'Mix'
Keep exploring
Explore the genus
Collections featuring this plant
Grow Lilac Hollyhock 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.
