Dahlia x hybrida 'Hillcrest Sunfusion Giant Ball'

Garden hybrid

Dahlia x hybridaGarden Dahlia

39 other cultivars

perennial

Hillcrest Sunfusion Dahlia

Dahlia x hybrida 'Hillcrest Sunfusion Giant Ball'

The Story

Plant Bio

Dahlia hypnotica 'Hillcrest Sunfusion Giant Ball' is known for its large, vibrant yellow flowers and strong, upright growth.

This cultivar features exceptionally large and fully double blooms that make it a standout in any garden.

Uses & Benefits:

Dahlias provide striking visual appeal with their large, colorful blooms, making them excellent for floral arrangements and garden focal points.

Their long-lasting flowers are ideal for cut flower displays, adding vibrant color indoors.

Attract pollinators like bees and butterflies, supporting local ecosystems.

SpeciesDahlia x hybridaGarden Dahlia

Essentials

At a Glance

Plant Type

Perennial

Height

36"

Width

24"

Light

Full Sun, Partial Sun

Zones

8, 9, 10

Water

Moderate

Humidity

Average

Lifespan

Tender perennial

Native To

Mexico

Toxicity

Mildly toxic to dogs and cats.

Bloom period

Mid-summer – Late summer

In flower about 2 months of the year

Planting

How to Grow

Choose a sunny location with well-drained soil for planting.
Tuck tubers into the soil 6 inches deep in early spring after the last frost.
Water thoroughly to settle the soil around the tubers.
Mist cuttings or seedlings regularly to maintain humidity and promote rooting.
Fertilize monthly with a balanced, water-soluble fertilizer during the growing season.
Stake tall varieties early to support the large flowers and prevent wind damage.

Pro Tip

Plant dahlias in the late spring after the danger of frost has passed for best blooms.

Keep It Thriving

Care Guide

Do

Water deeply and consistently during the growing season 🌱
Pinch out the tips to encourage bushier growth
Remove spent flowers to promote continuous blooming
Apply a layer of mulch to retain moisture and suppress weeds

Don't

Avoid overwatering to prevent tuber rot ❌
Don't expose tubers to frost; store in a cool, dark place during winter
Refrain from fertilizing with high nitrogen in late summer
Do not disturb tubers during the active growing season

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Deadhead
Fertilize
Lift Store
Pest Check
Pinch
Plant
Stake

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Tall, vibrant floral accents in bordersShowy focal points in garden bedsContainer displays on patios and decks

Companion Plants

Tagetes Zinnia Cosmos Salvia Nicotiana

Multiply

Propagation Methods

Good to Know

Common Questions

Hillcrest Sunfusion Dahlia questions

What zones can Hillcrest Sunfusion Dahlia grow in?

Hillcrest Sunfusion Dahlia is hardy in USDA Zones 8–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Hillcrest Sunfusion Dahlia deer resistant?

Not reliably. Deer may browse Hillcrest Sunfusion Dahlia, especially tender spring growth — plan on repellents or fencing where pressure is high.

When does Hillcrest Sunfusion Dahlia bloom?

Hillcrest Sunfusion Dahlia 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 Hillcrest Sunfusion Dahlia need full sun?

Hillcrest Sunfusion Dahlia does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.