Botanical Name

Dahlia 'Penhill Watermelon'

Commonly known as Penhill Watermelon Dahlia

Bulb

Cactus-form dinner plate blooms in swirled peach, coral, and yellow with twisting petals. Each flower looks like a sunset in motion.

Mildly toxic to cats

Toxic to cats and dogs, but only mildly. A pet that chews the plant may get a mild stomach upset, and contact can mildly irritate skin.

Quick Reference

Bloom Season: Jul to Oct
USDA Zones: 3-10
Sun: Full Sun
Water: Moderate - regular watering
Mature Height: 4-5'
Bloom Colors: PinkOrangeYellow

✿ Pollinator Friendly✂ Cut Flower

Read the full Penhill Watermelon Dahlia growing guide →

Companion plants, planting tips, FAQ, and more

About This Name

Dahlia 'Penhill Watermelon' is the scientific name used by botanists, nurseries, and seed catalogs to identify Penhill Watermelon Dahlia unambiguously. The genus Dahlia places it within a specific plant family, and using the botanical name avoids the confusion that comes with regional common names. If you're shopping for Penhill Watermelon Dahlia, looking up plant care details, or comparing varieties, searching by Dahlia 'Penhill Watermelon' will give you the most precise results.