Zone 11b — The Hawaiian Haven
tropical, year-round growing season · Frost-free year-round · Min temp 45°F to 50°F
Where volcanic soil meets Pacific perfection in American soil. This extraordinary realm nurtures exotic breadfruit, passion fruit, and anthurium that thrive nowhere else in the nation. The absence of any meaningful growing season restriction creates horticultural freedom unmatched elsewhere. Your garden grows in America's most unique agricultural environment - a true tropical paradise under the stars and stripes.
❄️ Frost Dates — Zone 11b
Plant warm-weather crops after this date. Check 10-day forecasts before setting out tender plants.
Count back from this date to know how long your growing window is.
📍 Where is Zone 11b?
Hawaii (coastal), Puerto Rico, US Virgin Islands
🌱 Soil & Growing Notes
Often volcanic and fertile in Hawaii; sandy coral-based elsewhere. Continuous growing — rotate crops to manage pests.
📅 Zone 11b Month-by-Month Planting Calendar
Approximate timing based on average last frost Frost-free and first fall frost Frost-free. Always confirm with a 10-day forecast before transplanting tender crops.
Mild winter — continue growing cool-season crops outdoors.
Soil warming — harden off transplants. Direct sow cold-tolerant crops.
Last frost around this month. Safe to transplant warm-season crops outdoors.
Begin fall harvest. Protect tomatoes and peppers on cold nights with row cover.
First fall frost likely. Harvest remaining warm-season crops before a hard freeze.
What Grows Well in Zone 11b?
Zone 11b has a tropical, year-round growing season with roughly year-round of frost-free weather — last spring frost around Frost-free, first fall frost around Frost-free. That's enough time for 25+ popular garden plants, from fast-growing leafy greens to longer-season fruiting crops. Below is our curated list of plants that thrive in your zone.
🥕 Best Vegetables for Zone 11b
🌿 Best Herbs for Zone 11b
🍓 Best Fruits for Zone 11b
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