Species

Helianthus annuusCommon Sunflower

15 other cultivars

annualN. America Native

Ring of Fire Sunflower

Helianthus annuus 'Ring of Fire'

The Story

Plant Bio

A unique sunflower known for its striking reddish and yellow coloration in its petals.

Distinctive coloration that offers a vibrant addition to garden spaces.

Uses & Benefits:

Sunflowers add vibrant color and height to gardens, attracting pollinators and providing visual interest.

Seeds are edible and nutritious, perfect for harvesting and culinary uses.

Supports bees, butterflies, and birds, promoting biodiversity.

SpeciesHelianthus annuusCommon Sunflower

Essentials

At a Glance

Plant Type

Annual

Height

36 inches

Width

24 inches

Light

Full Sun

Zones

Water

Moderate

Humidity

Average

Lifespan

Annual

Native To

North America

Toxicity

Non-toxic

Bloom period

Mid-summer – Late summer

In flower about 2 months of the year

Planting

How to Grow

Tuck sunflower seeds 1 inch deep into well-draining soil in full sun.
Water regularly to keep soil moist, especially during germination.
Thin seedlings to 2 feet apart once established for optimal growth.
Stake taller varieties to prevent wind damage after sprouting.
Fertilize monthly with a balanced fertilizer during the growing season.
Harvest mature flower heads when the back turns brown and seeds are plump.

Pro Tip

Plant in early spring after the last frost for best blooms and harvests.

Keep It Thriving

Care Guide

Do

Provide full sun for at least 6 hours daily 🌞
Water consistently, keeping soil moist but not waterlogged
Stake tall varieties to support heavy flower heads
Apply balanced fertilizer monthly during active growth
Deadhead faded flowers to encourage more blooms

Don't

Avoid overwatering, which can cause root rot ❌
Don’t plant in shady areas—sunflowers need full sun
Refrain from disturbing roots during the growing season
Don’t forget to support tall varieties to prevent toppling
Avoid using high-nitrogen fertilizers that promote foliage over flowers

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Harvest
Plant
Stake

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Brightly colored sunflower borderWildflower meadow accentSun-drenched container display

Companion Plants

Corn Squash Cucumbers Melons Marigolds

Multiply

Propagation Methods

Good to Know

Common Questions

Ring of Fire Sunflower questions

What zones can Ring of Fire Sunflower grow in?

Ring of Fire Sunflower 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 Ring of Fire Sunflower deer resistant?

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

When does Ring of Fire Sunflower bloom?

Ring of Fire Sunflower 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 Ring of Fire Sunflower need full sun?

Ring of Fire Sunflower does best in full sun (6+ hours).

Is Ring of Fire Sunflower drought tolerant?

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