What to Plant in March in Zone 3B
Based on a last frost date of May 20 for Zone 3B. 43 plants have activity this month.
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🏠 Start Indoors in March
Start these seeds inside under grow lights before the last frost.
Lavandula angustifolia
Start indoors: Mar 11
Transplant outdoors: Jun 3
~90 days to harvest
Capsicum annuum
Start indoors: Mar 11
Transplant outdoors: Jun 3
~75 days to harvest
Capsicum annuum
Start indoors: Mar 11
Transplant outdoors: Jun 3
~119 days to harvest
Capsicum annuum
Start indoors: Mar 11
Transplant outdoors: Jun 3
~75 days to harvest
Capsicum annuum
Start indoors: Mar 11
Transplant outdoors: Jun 3
~80 days to harvest
Capsicum annuum
Start indoors: Mar 11
Transplant outdoors: Jun 3
~80 days to harvest
Echinacea purpurea
Start indoors: Mar 11
Transplant outdoors: Jun 3
~365 days to harvest
Cymbopogon citratus
Start indoors: Mar 11
Transplant outdoors: Jun 17
~100 days to harvest
Capsicum annuum
Start indoors: Mar 11
Transplant outdoors: Jun 3
~60 days to harvest
Capsicum annuum
Start indoors: Mar 11
Transplant outdoors: Jun 3
~70 days to harvest
Impatiens walleriana
Start indoors: Mar 11
Transplant outdoors: Jun 3
~60 days to harvest
Salvia splendens
Start indoors: Mar 11
Transplant outdoors: Jun 3
~75 days to harvest
Artemisia dracunculus
Start indoors: Mar 25
Transplant outdoors: Jun 3
~60 days to harvest
Asparagus officinalis
Start indoors: Mar 25
Transplant outdoors: Jun 3
~730 days to harvest
Allium cepa var. aggregatum
Start indoors: Mar 25
Transplant outdoors: Jun 3
~90 days to harvest
Valeriana officinalis
Start indoors: Mar 25
Transplant outdoors: Jun 3
~365 days to harvest
Levisticum officinale
Start indoors: Mar 25
Transplant outdoors: Jun 3
~365 days to harvest
Aquilegia vulgaris
Start indoors: Mar 25
Transplant outdoors: Jun 3
~365 days to harvest
🌱 Direct Sow in March
Sow these seeds directly in the ground this month.
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