Table Mountain Sunflower
Helianthus annuus 'Table Mountain'
Essentials
At a Glance
Plant Type
Annual
Height
72 inches
Width
18 inches
Light
Full Sun
Water
Moderate
Humidity
Average
Lifespan
Annual
Native To
North America
Toxicity
Non-toxic
The Story
Plant Bio
Helianthus annuus 'Table Mountain' is a tall, robust annual sunflower featuring large, bright yellow flower heads with a central disk, and broad, rough-textured green leaves that create a striking, sun-loving display. This cultivar is distinguished by its exceptionally large flower heads and vigorous growth habit, making it ideal for ornamental displays and cut flower arrangements.
Bloom Period:
Uses & Benefits:
Marketplace
Where to Buy
Shipping costs Year-round shipping Free shipping
Planting
How to Grow
- Tuck seeds 1 inch deep into well-draining soil in full sun.
- Keep soil moist until germination, about 7-10 days.
- Thin seedlings to 12 inches apart for optimal growth.
- Support tall varieties with stakes if necessary.
- Water regularly during dry spells, especially in hot weather.
- Fertilize monthly with a balanced fertilizer for vigorous blooms.
Pro Tip
Plant in well-drained soil in full sun for best results.
Keep It Thriving
Care Guide
Do
- Water deeply once a week 🌱
- Deadhead faded flowers to encourage more blooms
- Stake tall plants to prevent wind damage
- Apply organic fertilizer monthly
Don't
- Avoid overwatering to prevent root rot ❌
- Do not disturb roots when transplanting
- Skip fertilizing during late fall
- Avoid planting in shady areas
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
Companion Plants
Multiply
Propagation Methods
Good to Know
Common Questions
Table Mountain Sunflower questions
What zones can Table Mountain Sunflower grow in?
Table Mountain 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 Table Mountain Sunflower deer resistant?
Not reliably. Deer may browse Table Mountain Sunflower, especially tender spring growth — plan on repellents or fencing where pressure is high.
When does Table Mountain Sunflower bloom?
Table Mountain 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 Table Mountain Sunflower need full sun?
Table Mountain Sunflower does best in full sun (6+ hours).
Is Table Mountain Sunflower drought tolerant?
Yes — once established (usually after the first full season), Table Mountain Sunflower handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.
More Helianthus to compare
Swamp Sunflower
Helianthus angustifolius 'First Light'
Maximilian sunflower
Helianthus maximiliani
Narrow-Leaf Sunflower Low Down
Helianthus angustifolius 'Low Down'
Bolander's Sunflower, Serpentine Sunflower
Helianthus bolanderi
Salicifolius Sunflower Willowleaf Sunflower
Helianthus salicifolius
Common Sunflower
Helianthus annuus
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Hardy in your zone?
Grow Table Mountain Sunflower with confidence
See it in a design of your actual yard, get zone-matched care reminders, and track it season by season in your garden journal.
