Species

Dahlia variabilisDahlia

18 other cultivars

bulb corm tuber

Bishop of Oxford Dahlia

Dahlia variabilis 'Bishop of Oxford'

The Story

Plant Bio

A tuberous perennial, often grown as an annual, with a bushy, upright habit. Features dark bronze-purple foliage that provides a stunning contrast to its flowers.

Distinguished by its single, apricot-orange flowers with a darker central disc, held above striking, deep bronze-purple foliage.

Uses & Benefits:

Dahlias provide striking, colorful blooms that enhance garden aesthetics and attract pollinators.

They can be cut and used in floral arrangements for home decor.

Flowering dahlias support bees and other beneficial insects.

SpeciesDahlia variabilisDahlia

Essentials

At a Glance

Plant Type

Bulb Corm Tuber

Height

36 inches

Width

24 inches

Light

Full Sun, Partial Sun

Zones

7, 8, 9, 10

Water

Moderate

Humidity

Average to high

Lifespan

Perennial in warm climates

Native To

Mexico and Central America

Toxicity

Mildly toxic to dogs, cats, and horses. Contact with foliage may cause skin irritation.

Planting

How to Grow

Tuck seeds or tubers into well-draining soil in early spring.
Water regularly to keep soil moist but not waterlogged.
Fertilize monthly during the growing season for vibrant blooms.
Pinch back early growth to encourage bushier plants.
Stake tall varieties to prevent wind damage.
Deadhead spent flowers to promote continuous blooming.

Pro Tip

Plant dahlias in full sun and ensure good air circulation to prevent diseases.

Keep It Thriving

Care Guide

Do

Water deeply once a week during dry spells 🌱
Fertilize with a balanced fertilizer monthly
Pinch out the tips for bushier growth

Don't

Avoid overwatering to prevent tuber rot ❌
Don’t plant in poorly drained soil
Refrain from cutting back in late fall before dormancy

Seasonal Care Calendar

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

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Bright flower beds with vibrant, showy bloomsColorful container displays for patiosSeasonal cut flower arrangements

Companion Plants

Marigolds Zinnias Salvia CosmosBasil

Multiply

Propagation Methods

Good to Know

Common Questions

Bishop of Oxford Dahlia questions

What zones can Bishop of Oxford Dahlia grow in?

Bishop of Oxford Dahlia is hardy in USDA Zones 7–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Bishop of Oxford Dahlia deer resistant?

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

When does Bishop of Oxford Dahlia bloom?

Bishop of Oxford 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 Bishop of Oxford Dahlia need full sun?

Bishop of Oxford Dahlia does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.