Dahlia Decorative Hawaii (Pack of 2)

Dahlia 'Hawaii'

Dahlia Hawaii is a vivid and tropical-inspired decorative variety that delivers bold garden impact with its striking bi-color blooms. With radiant white petals edged in rich fuchsia-pink, it offers a taste of paradise in every flower bed. Known for its medium-to-large, fully double flowers, it’s a standout choice for borders, cutting gardens, and container arrangements. Its lush blooms are supported by sturdy, upright stems that make it as functional as it is beautiful—ideal for fresh floral displays and late-season color in the garden.

• USDA Zones: 8–10 grown as perennial; 3–7 grown as annual
• Bloom Time: Mid-summer to fall
• Height: 34"
• Planting depth/Spacing: 2"/ 18–24"
• Deer Resistant: No
• Sun Requirements: Full sun/part sun

To learn more about the dahlias’ upkeep and maintenance, please visit our blogs and videos below.

Whether you're building a tropical-themed border or designing a cheerful summer bouquet, it makes a perfect addition to any warm-season planting scheme. With its long-lasting blooms and vibrant petal edges, this variety draws attention and brings flair to beds, borders, and floral arrangements alike.

Key Characteristics and Benefits of Growing Dahlia Hawaii

• Tropical Appeal: Striking magenta-edged petals on white backgrounds evoke a bold island aesthetic.
• Reliable Blooming Season: Flowers profusely from mid-summer to the first frost for an extended display.
• Perfect for Cutting: Long, sturdy stems and eye-catching blooms make this variety a florist favorite.
• Pollinator Friendly: Attracts beneficial bees and butterflies, supporting garden biodiversity.
• Grows Well in Containers: Ideal for pots and planters in patios or small-space gardens.

Growing Dahlia Hawaii Tubers

Plant your tubers in spring once the risk of frost has passed. Choose a location with full to part sun and well-drained soil. Dig holes 2 inches deep and space plants 18 to 24 inches apart for proper dahlia spacing. Water deeply after planting and maintain consistent moisture throughout the growing season. Mulching around the base helps conserve moisture and suppress weeds.

Climate and Soil Requirements

In zones 8–10, dahlia perennial or annual growth is determined by winter conditions—here, Hawaii can remain in the ground year-round. In colder zones (3–7), grow as an annual or lift and store tubers indoors for replanting the next spring. For best results, plant in nutrient-rich, loamy soil that drains well.

Sunlight and Watering

Dahlia Hawaii performs best in full sun but can tolerate part sun in hotter regions. Provide at least 6 hours of sunlight daily and water regularly to keep the soil evenly moist. Avoid overhead watering to minimize fungal risks.

Care and Maintenance

Remove spent flowers to extend bloom time and encourage fresh buds. Fertilize monthly during active growth using a balanced or bloom-boosting fertilizer. Support with staking if blooms become heavy, especially in windy areas.

For more tips on caring for flower bulbs, explore our complete Flower Bulb Growing Guide .

Multiple Trusted Brands at Grow Organic

At Grow Organic, we proudly offer Dahlia Decorative Hawaii from multiple high-quality, trusted brands. This means you get more selection and flexibility—allowing you to choose the right source for your budget, growing style, and landscape design needs.

Additional Dahlia Growing Tips

For expert advice and in-depth seasonal care, explore our complete guide: Growing Summer-Blooming Flowers: Dahlias.

Explore even more seasonal favorites in our Pollinator Flowers Collection.