
Summer Carnival Rose Mallow
Hibiscus moscheutos 'Summer Carnival'
Essentials
At a Glance
Plant Type
Perennial
Height
36 inches
Width
30 inches
Light
Full Sun
Zones
5, 6, 7, 8, 9
Water
High
Humidity
Tolerates high humidity
Lifespan
Perennial
Native To
North America
Toxicity
Non-toxic to humans and pets
The Story
Plant Bio
Hibiscus moscheutos 'Summer Carnival' is known for its vibrant, multicolored flowers and striking foliage. This cultivar features variegated leaves and large blooms that can reach up to 10 inches in diameter, making it a standout in any garden.
Bloom Period:
Uses & Benefits:
Marketplace
Where to Buy
Shipping costs Year-round shipping Free shipping
Planting
How to Grow
- Tuck seeds into moist soil in early spring for best germination.
- Mist cuttings regularly to maintain humidity and encourage rooting.
- Plant in well-drained, fertile soil with full sun exposure.
- Water consistently to keep soil moist but not waterlogged.
- Fertilize monthly during the growing season with a balanced fertilizer.
- Divide clumps in early spring or fall to propagate new plants.
Pro Tip
Use organic compost to enrich soil and promote vibrant blooms.
Keep It Thriving
Care Guide
Do
- Water regularly to keep soil consistently moist 💧
- Apply a balanced fertilizer monthly during active growth
- Mulch around the base to retain moisture and suppress weeds
- Prune dead or damaged stems in late winter
Don't
- Avoid overwatering to prevent root rot ❌
- Do not fertilize in late fall or winter
- Never let soil dry out completely
- Avoid cutting back in the middle of flowering
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fertilize | ||||||||||||
| 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
Summer Carnival Rose Mallow questions
What zones can Summer Carnival Rose Mallow grow in?
Summer Carnival Rose Mallow is hardy in USDA Zones 5–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Summer Carnival Rose Mallow deer resistant?
Not reliably. Deer may browse Summer Carnival Rose Mallow, especially tender spring growth — plan on repellents or fencing where pressure is high.
When does Summer Carnival Rose Mallow bloom?
Summer Carnival Rose Mallow 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 Carnival Rose Mallow need full sun?
Summer Carnival Rose Mallow does best in full sun (6+ hours).
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