• A close-up shot of a single Penhill Watermelon Dahlia flower, showcasing its delicate petals and vibrant colors.
  • A close-up shot of a single Penhill Watermelon Dahlia flower, showcasing its delicate petals and vibrant colors.
  • A person holding a bouquet of Penhill Watermelon dahlia flowers in a garden setting.
  • A cluster of dahlia tubers with dirt on the ready for planting.
Spring Preorder
Ships Spring 2027

Dahlia Tubers (Dinnerplate) - Penhill Watermelon

A coral beauty that is extremely tall with far-reaching blooms

Size
Season
Trusted by 4M+ Gardeners
Grow Guarantee
Fast Shipping
Secure
Shipped from Asheville, NC

About the Variety

Key Features

Heat Tolerant
Prefers Moist Soil
Container Friendly
Attracts Bees
Attracts Butterflies
Fast Growing
Easy to Grow
Perfect for Cut Flowers
Perfect for Borders
Edible

Plant Details

BOTANICAL NAME

Dahlia

LIFE CYCLE

  • Perennial

LIGHT REQUIREMENT

  • Full Sun

GROWTH HABIT

  • Upright

PLANT HEIGHT

  • 60 inches

PLANT TYPE

  • Dinnerplate

COLOR

  • Pink

If you want your garden to stand out this summer, the Penhill Watermelon Dahlia is for you! These unusual, vibrant blooms are quite large - they can reach up to 5 feet tall with blooms as wide as 10 inches. The coral blooms are a unique take on the traditional Dahlia and look great as cut flowers.

  • Tender Perennial; Magnificent, Giant Blooms on Sturdy Stems
  • Superb Cut Flower; Long-Lasting, Prolific Blooms All Summer Until Frost
  • Thrives & produces more blooms in full sun

Planting Information

PLANTING SEASON

  • Spring

PLANTING DEPTH

  • Deep Enough to Cover with 2 inches of Soil

WATER NEEDS

  • Average

PLANT SPACING

  • 12 to 18 inches

HARDINESS ZONES

  • 7
  • 8
  • 9
  • 10
  • 11

COVERAGE

Amount Recommended Coverage
2 Bulbs / Ships in Spring Up to 0.75 Sq. Ft
4 Bulbs / Ships in Spring Up to 1.5 Sq. Ft
8 Bulbs / Ships in Spring Up to 2.75 Sq. Ft

Planting Guide

View our Dahlia Planting Guide to learn more.

Ready to Grow

We guarantee that our seeds & bulbs will be true to type and ready to thrive. If something doesn't grow as expected, we will make it right. Questions? Call us at 855-440-2929

Dahlia Tubers (Dinnerplate) - Penhill Watermelon

$26.49

Companion Plants

Gardening Tools

Dahlia Tubers (Dinnerplate) - Penhill Watermelon FAQs

What size bulbs will I receive with Penhill Watermelon Dahlia?

Penhill Watermelon Dahlia tubers are graded No. 1, with 2 to 3 eyes per tuber.

What type of bulb is Penhill Watermelon Dahlia grown from?

Penhill Watermelon Dahlia is grown from a tuber.

How big will the blooms on Penhill Watermelon Dahlia get?

The blooms on Penhill Watermelon Dahlia grow up to 10+ inches.

Grown by Our Community • All dahlia