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When to Plant Sunflower in Opa Locka, Florida (33055)

Location

Opa Locka, Florida

ZIP Code

33055

USDA Zone

11a

Last Frost

Thursday, January 1, 2026

๐Ÿ“… Planting Calendar

Direct Sow Outdoors Thursday, January 8, 2026

Pro Tip: Sow Sunflower directly outdoors 1 week after your last frost date โ€” it needs warm soil.

๐ŸŒฟ Plant Details

Scientific Name Helianthus annuus
Days to Maturity 80 days
Mature Height 36-96"
Spread 24"
Type Annual

โ˜€๏ธ Growing Requirements

โ˜€๏ธ

Sun

Full Sun (6-8 hours)

๐Ÿ’ง

Water

Low-Moderate (1 inch/week)

โ†”๏ธ

Spacing

18" apart

๐ŸŒฑ

Planting Depth

1" deep

Seeds typically germinate in 7-14 days

Ready to Plant Sunflower in Opa Locka?

Get your seeds now so they're ready by Thursday, January 8, 2026.

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๐Ÿค Good Companions

CornCucumberSquash

โš ๏ธ Avoid Planting Near

PotatoFennel

Other Plants for Opa Locka

Growing Sunflower in Zone 11a

Sunflower (Helianthus annuus) is a popular garden vegetable. In Opa Locka, Florida, which is in USDA Hardiness Zone 11a, you should direct sow seeds around Thursday, January 8, 2026.

Your average last frost date is Thursday, January 1, 2026. Sunflower grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.