perennial

Dahlia

Dahlia x hybrida 'Lisonette Dinnerplate'

Not currently listed at our partner nurseries.

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Essentials

At a Glance

Plant Type

Perennial

Height

42 inches

Width

24 inches

Light

Full Sun

Zones

8, 9

Water

Moderate

Humidity

Moderate

Lifespan

Perennial in mild climates, annual elsewhere

Native To

Central America

Toxicity

Toxic to cats, dogs, and horses, causing mild gastrointestinal upset and dermatitis.

The Story

Plant Bio

Herbaceous tuberous perennials with composite flowers in a vast range of sizes, forms, and colors. They bloom from summer to the first frost and require staking for taller varieties. Features enormous, dinnerplate-sized blooms up to 10 inches across. Flowers are creamy white with a soft yellow center, and petal tips can be delicately brushed with lavender-pink.

Uses & Benefits:

Dahlias provide striking visual appeal with their large, colorful blooms, perfect for adding drama to gardens and floral arrangements.

They can be cut and used in bouquets, extending their beauty indoors.

Attract pollinators like bees and butterflies, supporting local biodiversity.

Marketplace

Where to Buy

We couldn't find this plant listed online right now.

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Planting

How to Grow

Choose a sunny location with well-draining soil for planting.
Tuck tubers 4-6 inches deep in early spring after the last frost.
Water thoroughly after planting to settle the soil around the tubers.
Provide consistent moisture throughout the growing season for vibrant blooms.
Pinch back young plants to promote bushier growth and more flowers.
Lift and store tubers in fall after foliage dies back for winter protection.

Pro Tip

Use organic compost to enrich soil and promote healthy, abundant blooms.

Keep It Thriving

Care Guide

Do

Water regularly, keeping soil moist but not waterlogged 🌱
Fertilize monthly with a balanced fertilizer during the growing season
Remove spent flowers to encourage continuous blooming
Support tall varieties with stakes to prevent flopping

Don't

Avoid overwatering to prevent tuber rot ❌
Do not let soil dry out completely during peak growth
Refrain from fertilizing late in the season to prevent weak growth
Avoid disturbing tubers during the flowering period

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

Vibrant border with dazzling, large bloomsColorful container display on patiosBright focal point in flower beds

Companion Plants

Marigolds Zinnias Salvia Cosmos Petunias

Multiply

Propagation Methods

Good to Know

Common Questions

Dahlia questions

What zones can Dahlia grow in?

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 Dahlia deer resistant?

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

When does Dahlia bloom?

Dahlia typically blooms in mid-summer to fall through early fall. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Dahlia need full sun?

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