Growing marigolds in zone 12
Cheap, fast, and nearly foolproof from direct-sown seed. Deadhead spent blooms weekly and they flower until frost. French marigolds are the compact ones for bed edges.
Zone 12 covers hawaiʻi lowlands, Puerto Rico — tropical — timing follows wet and dry seasons rather than frost.
Make it local
These windows use zone 12's typical frost dates. For windows computed from your frost dates, run the ZIP code frost lookup and open the planting calendar — it remembers your city. The seed starting scheduler turns the whole seed rack into one printable, date-sorted list.
Frequently asked questions
When should I plant marigolds in zone 12?
Zone 12 is frost-free, so timing flips from frost-avoidance to heat management: plant marigolds nearly year-round, avoiding peak summer heat. Late winter and late summer plantings avoid fruiting during the hottest stretch.
Does marigolds grow well in zone 12?
Yes — heat-loving crops like marigolds thrive in zone 12, often across a far longer window than mainland gardens get. Watch water needs and intense midsummer sun.