perennial

Sunshine Dahlia

Dahlia pinnata 'Sunshine'

The Story

Plant Bio

Dahlia pinnata 'Sunshine' is a bushy perennial known for its bright yellow flowers and is often grown for cut flower arrangements.

This cultivar produces large, vibrant yellow blooms that stand out in the garden and attract pollinators.

Uses & Benefits:

Ornamental UsesDahlias add vibrant color and texture to garden borders and containers, attracting pollinators and brightening up summer landscapes.
Practical UsesThey can be cut for floral arrangements, providing fresh bouquets for indoor decor.
Ecological BenefitsSupports pollinator populations, especially bees and butterflies, during blooming season.
SpeciesDahlia pinnataPinnate Dahlia

Essentials

At a Glance

Plant Type

Perennial

Height

48 inches

Width

24 inches

Light

Full Sun

Zones

8, 9, 10

Water

Moderate

Humidity

Average

Lifespan

Perennial in suitable zones

Native To

Central America

Toxicity

Toxic to dogs and cats

Bloom period

Mid-summer – Late summer

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In flower about 2 months of the year

Planting

How to Grow

  1. Tuck seeds or tubers into well-drained soil in spring after the last frost.
  2. Water regularly to keep soil moist but not waterlogged, especially during flowering.
  3. Fertilize monthly with a balanced fertilizer for vibrant blooms.
  4. Prune dead or faded flowers to encourage new growth.
  5. Divide tubers every 2-3 years in early spring for better plant health.
  6. Mulch around the base to retain moisture and suppress weeds.

Pro Tip

Plant dahlias in a sunny spot with rich, well-draining soil for best blooms.

Keep It Thriving

Care Guide

Do

  • Water consistently during the growing season 💧
  • Pinch out the growing tips to promote bushier growth 🌿
  • Apply a balanced fertilizer monthly
  • Support tall varieties with stakes
  • Remove dead flowers to encourage repeat blooming

Don't

  • Overwater, which can cause tuber rot ❌
  • Allow soil to dry out completely between watering
  • Neglect staking tall dahlias
  • Forget to mulch in hot weather
  • Plant in poorly drained soil

Seasonal Care Calendar

TaskJanFebMarAprMayJunJulAugSepOctNovDec
Deadhead
Fertilize
Lift Store
Pinch
Plant
Stake

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Colorful border plant with vibrant yellow bloomsContainer centerpiece for patiosCut flower for floral arrangements

Companion Plants

Marigolds Zinnias CosmosSalviaPetunias

Multiply

Propagation Methods

Good to Know

Common Questions

Sunshine Dahlia questions

What zones can Sunshine Dahlia grow in?

Sunshine 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 Sunshine Dahlia deer resistant?

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

When does Sunshine Dahlia bloom?

Sunshine 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 Sunshine Dahlia need full sun?

Sunshine Dahlia does best in full sun (6+ hours).

Keep exploring

Grow Sunshine Dahlia with confidence

See it in a design of your actual yard, get zone-matched care reminders, and track it season by season in your garden journal.