Species

Alcea roseaHollyhock

18 other cultivars

perennial

Double Yellow Hollyhock

Alcea rosea 'Double Yellow'

The Story

Plant Bio

Tall biennial or perennial with large, showy flowers.

Double flower petals provide a fuller and more ornamental appearance.

Uses & Benefits:

Alcea rosea Double Yellow provides vibrant, cheerful color and vertical interest in gardens and borders.

Supports pollinators like bees and butterflies, enhancing garden ecological health.

Serves as a nectar source for beneficial insects and hummingbirds.

SpeciesAlcea roseaHollyhock

Essentials

At a Glance

Plant Type

Perennial

Height

60 inches

Width

24 inches

Light

Full Sun, Partial Sun

Zones

5, 6, 7, 8

Water

Moderate

Humidity

Average

Lifespan

Perennial

Native To

Asia and Europe

Toxicity

Non-toxic to humans and pets

Bloom period

Early summer – Late summer

In flower about 3 months of the year

Planting

How to Grow

Tuck seeds 1/4 inch deep into well-draining soil in early spring.
Water consistently to keep soil moist but not waterlogged.
Provide full sun for optimal flowering and growth.
Stake young plants to support tall stems as they grow.
Fertilize monthly during the growing season with a balanced fertilizer.
Deadhead spent flowers to encourage more blooms.

Pro Tip

Mulch around plants to retain moisture and suppress weeds for healthier growth.

Keep It Thriving

Care Guide

Do

Water regularly during dry spells 💧
Prune after flowering to shape the plant ✂️
Apply balanced fertilizer monthly for continuous blooms
Support tall stems with stakes to prevent wind damage

Don't

Avoid overwatering to prevent root rot ❌
Don’t forget to deadhead to prolong flowering
Refrain from heavy fertilizing late in the season
Avoid planting in shady areas where it won’t bloom

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Deadhead
Pest Check
Spring Cleanup
Stake

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Tall, vibrant border plantBack of flower beds for height and colorWildflower garden accent

Companion Plants

Lavender Salvia Coreopsis Echinacea Rudbeckia

Multiply

Propagation Methods

Good to Know

Common Questions

Double Yellow Hollyhock questions

What zones can Double Yellow Hollyhock grow in?

Double Yellow Hollyhock 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 Double Yellow Hollyhock deer resistant?

Yes — Double Yellow Hollyhock is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.

When does Double Yellow Hollyhock bloom?

Double Yellow Hollyhock typically blooms in early summer through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Double Yellow Hollyhock need full sun?

Double Yellow Hollyhock does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.

Is Double Yellow Hollyhock drought tolerant?

Yes — once established (usually after the first full season), Double Yellow Hollyhock handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.