Species
Alcea roseaHollyhock18 other cultivars
‘Old Farmyard’Old Farmyard Hollyhock
‘Double Hollyhock Mix’Double Hollyhock
‘Double Scarlet’Double Scarlet Hollyhock
‘Halo Apricot’Apricot Hollyhock
‘Double Apricot’Double Apricot Hollyhock
‘Brilliant Miniature’Brilliant Miniature Hollyhock
‘Double Yellow’Double Yellow Hollyhock
‘Chater's Double’Chater's Double Hollyhock
‘Blacknight’Black Night Hollyhock
‘Halo Cerise’Halo Cerise Hollyhock
‘Creme De Cassis’Creme De Cassis Hollyhock
‘Polarstar’Polarstar Hollyhock
‘Chater's Double White’Chater's Double White Hollyhock
‘Las Vegas’Las Vegas Hollyhock
‘Lilac’Lilac Hollyhock
‘Fiesta Time’Fiesta Time Hollyhock
‘Halo Purple’Purple Hollyhock
‘Mars Magic’Hollyhock 'Mars Magic'
The Story
Plant Bio
Alcea rosea 'Radiant Rose' is a striking hollyhock variety known for its vibrant pink flowers and tall stature, frequently used in borders or as a backdrop.
This cultivar features large, fully double blooms that add a lush appearance to gardens and is particularly sought after for its ornamental value.
Uses & Benefits:
Essentials
At a Glance
Plant Type
Perennial
Height
48 inches
Width
24 inches
Light
Full Sun, Partial Sun
Zones
5, 6, 7, 8
Water
Moderate
Humidity
Average
Lifespan
Perennial
Native To
Asia
Toxicity
Non-toxic to humans and pets
Bloom period
Late summer – Early fall
In flower about 2 months of the year
Planting
How to Grow
- Tuck seeds 1/4 inch deep into moist soil in early spring.
- Water regularly to keep soil evenly moist during germination.
- Transplant seedlings when they are 4-6 inches tall into full sun.
- Fertilize monthly with a balanced fertilizer for healthy growth.
- Pinch back the young plants to encourage bushier growth.
- Mulch around plants to retain moisture and suppress weeds.
Pro Tip
Use rich, well-draining soil and deadhead spent blooms for continuous flowering.
Keep It Thriving
Care Guide
Do
- Water consistently, especially during dry spells 🌱
- Prune after flowering to shape the plant and promote new growth
- Apply organic compost in spring for nutrient boost
Don't
- Avoid overwatering to prevent root rot ❌
- Don't forget to stake tall varieties to prevent wind damage
- Refrain from fertilizing late in the season to avoid weak, floppy growth
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Deadhead | ||||||||||||
| Pest Check | ||||||||||||
| Spring Cleanup | ||||||||||||
| Stake |
Watch Out For
Pests & Diseases
Common Pests
Common Diseases
In the Garden
Landscape Uses & Companions
Landscape Uses
Multiply
Propagation Methods
Good to Know
Common Questions
Radiant Rose Hollyhock questions
What zones can Radiant Rose Hollyhock grow in?
Radiant Rose Hollyhock is hardy in USDA Zones 5–8. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Radiant Rose Hollyhock deer resistant?
Yes — Radiant Rose Hollyhock is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Radiant Rose Hollyhock bloom?
Radiant Rose Hollyhock typically blooms in late summer through early fall. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Radiant Rose Hollyhock need full sun?
Radiant Rose Hollyhock does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
More Alcea to compare
Old Farmyard Hollyhock
Alcea rosea 'Old Farmyard'
Double Hollyhock
Alcea rosea 'Double Hollyhock Mix'
Hollyhock Country Mix
Alcea rosealca 'Country Mix'
Hollyhock
Alcea rosa
Double Scarlet Hollyhock
Alcea rosea 'Double Scarlet'
Apricot Hollyhock
Alcea rosea 'Halo Apricot'
Keep exploring
Explore the genus
Hardy in your zone?
Grow Radiant Rose 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.