perennial

Hollyhock

Alcea rosa

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Essentials

At a Glance

Plant Type

Perennial

Height

84 inches

Width

30 inches

Light

Full Sun, Partial Sun

Zones

4, 5, 6, 7, 8, 9

Water

Moderate

Humidity

Average

Lifespan

Biennial or short-lived perennial

Native To

Southwestern China

Toxicity

Non-toxic to humans and pets

The Story

Plant Bio

Alcea rosea, commonly known as hollyhock, is a biennial or short-lived perennial that is known for its tall spikes of large, showy flowers. The flowers come in a variety of colors, including pink, red, yellow, white, and purple, making them highly versatile for ornamental gardens.

Bloom Period:

EarlyLate

Uses & Benefits:

Alcea rosa adds vertical interest with its towering spikes of colorful blooms, perfect for creating a striking garden centerpiece.

Its sturdy stems can serve as cut flowers for floral arrangements, lasting several days indoors.

Provides nectar for pollinators like bees and butterflies, supporting local ecosystems.

Marketplace

Where to Buy

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Planting

How to Grow

Tuck seeds 1/4 inch deep into well-draining soil in early spring.
Water thoroughly after planting to settle the soil.
Provide full sun for optimal growth and flowering.
Fertilize monthly with a balanced fertilizer during the growing season.
Stake the tall flower spikes to prevent toppling in wind.
Deadhead spent blooms to encourage continuous flowering.

Pro Tip

Plant in a sunny spot with good air circulation to prevent fungal issues.

Keep It Thriving

Care Guide

Do

Water regularly to keep soil moist but not waterlogged 🌱
Prune back after flowering to promote bushier growth
Mulch to retain soil moisture and suppress weeds
Support tall varieties with stakes or cages

Don't

Avoid overwatering to prevent root rot ❌
Don’t plant in shaded areas; it needs full sun
Refrain from fertilizing late in the season to prevent weak growth
Do not ignore pest infestations

Seasonal Care Calendar

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

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Airy perennial borderColorful cottage garden bedVertical accent with tall flower spikes

Companion Plants

Lavender Salvia Echinacea Coreopsis Yarrow

Multiply

Propagation Methods

Good to Know

Common Questions

Hollyhock questions

What zones can Hollyhock grow in?

Hollyhock is hardy in USDA Zones 4–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Hollyhock deer resistant?

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

When does Hollyhock bloom?

Hollyhock 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 Hollyhock need full sun?

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