Marigolds typically begin blooming about 8 weeks after planting, whether started from seed or nursery plants
. Once they start flowering, marigolds can bloom continuously from late spring through fall, maintaining vibrant blooms until the first frost
. The blooming period can last several months-often from late spring until the first hard frost in autumn-providing color all summer long
. In warmer climates (USDA zones 10 and above), marigolds may enjoy an even longer blooming season, sometimes nearly year-round outdoors
. Some varieties, like pot marigolds, may have a slightly different pattern where they bloom heavily in late spring and early summer, then pause during the hottest part of summer, resuming bloom again in cooler late summer and fall until frost
. In summary:
- Marigolds start blooming about 8 weeks after planting.
- They bloom from late spring until the first frost, often several months.
- Blooming can be nearly continuous through summer with proper care.
- In warm climates, blooming can extend longer, potentially year-round indoors or outdoors.
- Some varieties may have a mid-summer bloom pause due to heat, then resume blooming in cooler weather.
This makes marigolds a reliably long-blooming annual flower for gardens throughout the growing season