annualN. America Native
Helianthus annuus 'Red Courtesan'
Red Courtesan Sunflower
Not currently listed at our partner nurseries.
Expertly Curated
Real-Time Pricing
Loved by Designers
Essentials
At a Glance
Plant Type
Annual
Height
72 inches
Width
24 inches
Light
Full Sun
Water
Moderate
Humidity
Average
Lifespan
Annual
Native To
North America
Toxicity
Non-toxic to humans and pets
The Story
Plant Bio
Sunflower cultivar known for its striking red blooms and tall stature. Distinct deep red petals and a robust growth habit make it a standout in gardens.
Bloom Period:
J
F
M
A
M
J
J
A
S
O
N
D
EarlyLate
Uses & Benefits:
Vivid red flowers add striking color to sunny gardens and borders.
Provides seeds for bird feed and pollinator attraction.
Supports bees, butterflies, and other beneficial insects.
Marketplace
Where to Buy
We couldn't find this plant listed online right now.
Shipping costs Year-round shipping Free shipping
Planting
How to Grow
- Select full sun location for optimal growth.
- Tuck seeds 1 inch deep into well-drained soil in early spring.
- Water regularly to keep soil moist but not waterlogged.
- Thin seedlings to 12-18 inches apart once established.
- Support tall varieties with stakes if needed.
- Fertilize monthly with a balanced fertilizer during the growing season.
Pro Tip
Mulch around plants to retain moisture and suppress weeds for healthier growth.
Keep It Thriving
Care Guide
Do
- Water deeply once a week during dry spells 🌱
- Remove dead or damaged leaves to promote healthy growth
- Apply a balanced fertilizer monthly during the growing season
Don't
- Avoid overwatering to prevent root rot ❌
- Don’t plant in shady areas; sun is essential
- Refrain from using high nitrogen fertilizers which can promote weak stems
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fertilize | ||||||||||||
| Harvest | ||||||||||||
| Plant | ||||||||||||
| Stake |
Watch Out For
Pests & Diseases
Common Pests
Common Diseases
In the Garden
Landscape Uses & Companions
Landscape Uses
Bright yellow flower borderWildflower meadow accentSunny garden focal point
Companion Plants
Zinnias Marigolds Sunflowers Cosmos Lavender
Multiply
Propagation Methods
Good to Know