Growing Sunflowers in Zone 11
When to plant and harvest sunflowers in Zone 11— based on your zone's frost dates.
Zone 11 sits comfortably within sunflowers' best range (Zones 2–11), so it grows well here on a standard schedule.
Sunflowers planting calendar for Zone 11
These months are derived from Zone 11's frost dates — last frost around None, first frost around None.
Start indoors
—
Sow outdoors
February
Transplant
—
Harvest
—
Sunflowers care at a glance
- Sunlight
- Full sun (6+ hours)
- Water
- Moderate; deep but infrequent once established
- Spacing
- 6–18 in apart by variety
- Days to maturity
- 70–100 days
- Best zones
- 2–11
Growing sunflowers in Zone 11: FAQs
Can you grow sunflowers in Zone 11?＋
Zone 11 sits comfortably within sunflowers' best range (Zones 2–11), so it grows well here on a standard schedule.
When should I plant sunflowers in Zone 11?＋
In Zone 11, sow outdoors around February. Zone 11's last spring frost is typically None and its first fall frost around None, which sets the planting window.
When to harvest sunflowers in Zone 11?＋
Harvest timing depends on your planting date and variety — sunflowers typically matures in 70–100 days. See the full guide for harvest cues.
Full Sunflowers guide →
Complete care, problems, companions, and harvest tips.
Zone 11 overview →
Frost dates, climate, and everything to grow here.
June in Zone 11 →
What to sow, transplant, and harvest this month.