Species

Alcea roseaHollyhock

18 other cultivars

perennial

Halo Cerise Hollyhock

Alcea rosea 'Halo Cerise'

The Story

Plant Bio

Tall, stately biennial with large, colorful flowers in spikes.

Halo Cerise features striking cerise-colored flowers with a unique halo effect around the petals.

Uses & Benefits:

Vivid, large flowers add striking color to gardens, attracting pollinators and enhancing visual appeal.

Provides tall, structural interest and can be used as a background plant in borders.

Supports pollinators like bees and butterflies, contributing to garden biodiversity.

SpeciesAlcea roseaHollyhock

Essentials

At a Glance

Plant Type

Perennial

Height

72 inches

Width

24 inches

Light

Full Sun, Partial Sun

Zones

4, 5, 6, 7, 8, 9

Water

Moderate

Humidity

Average

Lifespan

Short-lived perennial, often grown as a biennial

Native To

China

Toxicity

Non-toxic to humans and pets

Bloom period

Mid-summer – Late summer

In flower about 2 months of the year

Planting

How to Grow

Tuck seeds 1/4 inch deep into well-drained soil in early spring.
Water regularly to keep soil moist but not waterlogged.
Thin seedlings to 18-24 inches apart for optimal growth.
Apply a balanced fertilizer monthly during the growing season.
Stake tall varieties to prevent wind damage.
Deadhead spent blooms to encourage more flowers.

Pro Tip

Plant in full sun for vigorous flowering and strong growth.

Keep It Thriving

Care Guide

Do

Water consistently during dry spells 🌱
Deadhead to prolong blooming
Mulch to retain soil moisture

Don't

Avoid overwatering to prevent root rot ❌
Do not disturb roots during the growing season
Skip fertilizing in late fall

Seasonal Care Calendar

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

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Vivid flower borderColorful perennial bedVertical accent with tall stems

Companion Plants

Lavender Salvia Coreopsis EchinaceaYarrow

Multiply

Propagation Methods

Good to Know

Common Questions

Halo Cerise Hollyhock questions

What zones can Halo Cerise Hollyhock grow in?

Halo Cerise 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 Halo Cerise Hollyhock deer resistant?

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

When does Halo Cerise Hollyhock bloom?

Halo Cerise 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 Halo Cerise Hollyhock need full sun?

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

Is Halo Cerise Hollyhock drought tolerant?

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