- Informal decorative
- Perennial
- Zones 9–11
- Apricot
- Double
Penhill Watermelon
Penhill Watermelon Dinnerplate
Perennial informal decorative dahlia in apricot, pink, lavender, and yellow, blooming in midsummer, late summer, and fall. An informal decorative dinnerplate dahlia with shaggy blooms of 10 inches or more in a blend of peach, pink, lavender and a hint of yellow. USDA zones 9–11.
Single source · Values marked like this (estimated) are estimates.
At a glance
- Flower form
- Informal decorative Double · Large (dinnerplate) · 10 in (25 cm) (estimated)
- Colors
-
- Apricot
- Pink
- Lavender
- Yellow
- Blooms
- Midsummer, Late summer, Fall 80–100 days from planting
- Vase life
- 5 days
- Height
- 3½–4 ft (102–122 cm)
- Sunlight
- Full sun
- Hardiness
- USDA zones 9–11 Perennial
Lift or treat as an annual below zone 9.
- Planted as
- Tuber
- Botanical name
- Dahlia hybrid
In the garden
- Occasionally severely damaged by deer (Rutgers rating)
Origin
One of the Penhill series of dinnerplate dahlias, grown for very large, frilly blooms.
Sources
Where to buy
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All photos
Questions
Is Penhill Watermelon hardy in my zone?
Penhill Watermelon survives winter in the ground in USDA zones 9 to 11. In colder zones treat it as an annual or lift it before the ground freezes.
Does Penhill Watermelon need full sun?
Penhill Watermelon grows in full sun.
When does Penhill Watermelon bloom?
Penhill Watermelon blooms in midsummer, late summer, and fall, about 80–100 days from planting.
Is Penhill Watermelon good for cutting?
Yes. Cut stems of Penhill Watermelon last about 5 days in a vase.

