Species

Cosmos bipinnatusGarden Cosmos

10 other cultivars

annualN. America Native

Dazzler Cosmos

Cosmos bipinnatus 'Dazzler'

The Story

Plant Bio

Cosmos bipinnatus 'Dazzler' is known for its vibrant red flowers and feathery foliage, attracting pollinators.

This cultivar has a compact growth habit and produces particularly rich red blooms compared to other varieties.

Uses & Benefits:

Cosmos bipinnatus Dazzler adds vibrant color and airy texture to garden borders and cut flower arrangements.

Provides natural habitat for pollinators, supporting local ecosystems.

Attracts bees and butterflies, enhancing pollination in the garden.

SpeciesCosmos bipinnatusGarden Cosmos

Essentials

At a Glance

Plant Type

Annual

Height

48 inches

Width

18 inches

Light

Full Sun

Zones

Water

Moderate

Humidity

Average

Lifespan

Annual

Native To

Mexico

Toxicity

Non-toxic to humans and pets

Planting

How to Grow

Tuck seeds into well-draining soil in early spring for best germination.
Mist cuttings lightly every few days to maintain humidity during rooting.
Ensure full sun exposure for vibrant blooms and healthy growth.
Water regularly, keeping soil moist but not waterlogged, especially during dry spells.
Fertilize monthly with a balanced, water-soluble fertilizer for continuous flowering.
Divide mature plants every 2-3 years in early spring to promote vigor.

Pro Tip

Use organic compost to enrich soil and encourage lush, abundant blooms.

Keep It Thriving

Care Guide

Do

Plant in full sun for optimal flowering 🌞
Water consistently during dry periods 💧
Deadhead spent flowers to promote new blooms
Apply organic fertilizer monthly for vibrant growth
Mulch to retain soil moisture and suppress weeds

Don't

Avoid overwatering to prevent root rot ❌
Don't plant in poorly drained soil
Refrain from excessive fertilizing which can cause leggy growth
Avoid disturbing roots during flowering
Don't neglect pest monitoring

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Deadhead
Fertilize
Harvest
Pinch
Plant
Stake
Winter Prep

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Bright, airy border with vibrant, daisy-like flowersWildflower meadow for a natural lookColorful container display for patios

Companion Plants

Marigolds Zinnias Sunflowers Cosmos bipinnatus

Multiply

Propagation Methods

Good to Know

Common Questions

Dazzler Cosmos questions

What zones can Dazzler Cosmos grow in?

Dazzler Cosmos is hardy in USDA Zone 10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Dazzler Cosmos deer resistant?

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

When does Dazzler Cosmos bloom?

Dazzler Cosmos typically blooms in summer to fall through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Dazzler Cosmos need full sun?

Dazzler Cosmos does best in full sun (6+ hours).

Is Dazzler Cosmos drought tolerant?

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