Species

Dahlia pinnataPinnate Dahlia

34 other cultivars

perennial

Lilac Time Dinnerplate Dahlia

Dahlia pinnata 'Lilac Time Dinnerplate'

The Story

Plant Bio

Dahlia x pinnata 'Lilac Time Dinnerplate' is known for its large, striking lilac-colored flowers and lush foliage. It is a favorite in gardens for its dramatic presence.

This cultivar features dinnerplate-sized blooms that are especially impressive and are unique compared to common dahlia varieties.

Uses & Benefits:

Dahlias add vibrant color and dramatic blooms to summer gardens, creating striking visual focal points.

They can be cut for floral arrangements, providing fresh floral decor indoors.

Attract pollinators like bees and butterflies, supporting local ecosystems.

SpeciesDahlia pinnataPinnate Dahlia

Essentials

At a Glance

Plant Type

Perennial

Height

36 inches

Width

24 inches

Light

Full Sun

Zones

5, 6, 7, 8

Water

Moderate

Humidity

Prefers moderate humidity

Lifespan

Perennial in suitable zones

Native To

Central America

Toxicity

Non-toxic to humans, keep away from pets

Bloom period

Mid-summer – Late summer

In flower about 2 months of the year

Planting

How to Grow

Tuck seeds or tubers into well-drained soil in early spring.
Water regularly to keep soil moist but not waterlogged.
Fertilize monthly with a balanced fertilizer during the growing season.
Pinch out the tips for bushier growth in early summer.
Stake taller plants to support heavy blooms in mid-summer.
Lift and store tubers in fall after foliage dies back.

Pro Tip

Plant in full sun with rich, well-drained soil for best flowering performance.

Keep It Thriving

Care Guide

Do

Water deeply once a week during dry spells 🌱
Deadhead spent flowers to encourage continuous blooming
Apply a slow-release fertilizer in spring

Don't

Avoid overwatering to prevent tuber rot ❌
Do not plant in heavy clay soil without amendment
Refrain from disturbing roots during flowering

Seasonal Care Calendar

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

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Vivid summer border with large, colorful bloomsBold focal point in perennial bedsContainer display with striking foliage

Companion Plants

Marigolds Salvia Zinnia CosmosLamb's Ear

Multiply

Propagation Methods

Good to Know

Common Questions

Lilac Time Dinnerplate Dahlia questions

What zones can Lilac Time Dinnerplate Dahlia grow in?

Lilac Time Dinnerplate Dahlia is hardy in USDA Zones 5–8. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Lilac Time Dinnerplate Dahlia deer resistant?

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

When does Lilac Time Dinnerplate Dahlia bloom?

Lilac Time Dinnerplate 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 Lilac Time Dinnerplate Dahlia need full sun?

Lilac Time Dinnerplate Dahlia does best in full sun (6+ hours).