
Midnight Marvel Swamp Hibiscus
Hibiscus moscheutos 'Midnight Marvel'
Essentials
At a Glance
Plant Type
Perennial
Height
48 inches
Width
48 inches
Light
Full Sun
Zones
4, 5, 6, 7, 8, 9
Water
Moderate to moist
Humidity
Prefers humid environments
Lifespan
Perennial
Native To
North America
Toxicity
Non-toxic to humans and pets
The Story
Plant Bio
Hibiscus moscheutos, or Swamp Rose Mallow, is a vigorous, shrubby perennial native to North American wetlands, known for its huge, hollyhock-like flowers in summer. Deeply lobed, dark purple leaves provide a striking contrast to the bright red flowers.
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 full sun for vibrant blooms and healthy growth.
- Water consistently to keep soil evenly moist, especially during dry spells.
- Fertilize monthly with a balanced, water-soluble fertilizer during the growing season.
- Mulch around the base to retain moisture and suppress weeds.
Pro Tip
Use organic compost to enrich soil and promote vigorous flowering.
Keep It Thriving
Care Guide
Do
- Water deeply once a week during dry periods 🌱
- Prune dead or damaged stems in early spring
- Apply organic fertilizer monthly during the growing season
Don't
- Avoid overwatering to prevent root rot ❌
- Don't prune in late fall or winter
- Refrain from using overly nitrogen-rich fertilizers that promote foliage over blooms
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Deadhead | ||||||||||||
| Fertilize | ||||||||||||
| Pinch | ||||||||||||
| Plant | ||||||||||||
| Spring Cleanup | ||||||||||||
| Winter Prep |
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
Midnight Marvel Swamp Hibiscus questions
What zones can Midnight Marvel Swamp Hibiscus grow in?
Midnight Marvel Swamp Hibiscus 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 Midnight Marvel Swamp Hibiscus deer resistant?
Yes — Midnight Marvel Swamp Hibiscus is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Midnight Marvel Swamp Hibiscus bloom?
Midnight Marvel Swamp Hibiscus 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 Midnight Marvel Swamp Hibiscus need full sun?
Midnight Marvel Swamp Hibiscus does best in full sun (6+ hours).
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