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What to Plant in March in Zone 3B

Based on a last frost date of May 20 for Zone 3B. 42 plants have activity this month.

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Start Indoors in March

Start these seeds inside under grow lights before the last frost.

Lavender

Lavandula angustifolia

Start indoors: Mar 11

Transplant outdoors: Jun 3

~90 days to harvest

Buy Seeds
Rosemary

Salvia rosmarinus

Start indoors: Mar 11

Transplant outdoors: Jun 3

~120 days to harvest

Buy Seeds
Bell Pepper

Capsicum annuum

Start indoors: Mar 11

Transplant outdoors: Jun 3

~70 days to harvest

Buy Seeds
Cayenne Pepper

Capsicum annuum

Start indoors: Mar 11

Transplant outdoors: Jun 3

~75 days to harvest

Buy Seeds
Celery

Apium graveolens

Start indoors: Mar 11

Transplant outdoors: Jun 3

~130 days to harvest

Buy Seeds
Chili Pepper

Capsicum annuum

Start indoors: Mar 11

Transplant outdoors: Jun 3

~119 days to harvest

Buy Seeds
Jalapeño Pepper

Capsicum annuum

Start indoors: Mar 11

Transplant outdoors: Jun 3

~75 days to harvest

Buy Seeds
Leek

Allium ampeloprasum

Start indoors: Mar 11

Transplant outdoors: Jun 3

~120 days to harvest

Buy Seeds
Poblano Pepper

Capsicum annuum

Start indoors: Mar 11

Transplant outdoors: Jun 3

~80 days to harvest

Buy Seeds
Serrano Pepper

Capsicum annuum

Start indoors: Mar 11

Transplant outdoors: Jun 3

~80 days to harvest

Buy Seeds
Echinacea (Coneflower)

Echinacea purpurea

Start indoors: Mar 11

Transplant outdoors: Jun 3

~365 days to harvest

Buy Seeds
Petunia

Petunia × hybrida

Start indoors: Mar 11

Transplant outdoors: Jun 3

~75 days to harvest

Buy Seeds
Lemongrass

Cymbopogon citratus

Start indoors: Mar 11

Transplant outdoors: Jun 17

~100 days to harvest

Buy Seeds
Ginger

Zingiber officinale

Start indoors: Mar 11

Transplant outdoors: Jun 17

~270 days to harvest

Buy Seeds
Stevia

Stevia rebaudiana

Start indoors: Mar 11

Transplant outdoors: Jun 3

~90 days to harvest

Buy Seeds
Shishito Pepper

Capsicum annuum

Start indoors: Mar 11

Transplant outdoors: Jun 3

~60 days to harvest

Buy Seeds
Banana Pepper

Capsicum annuum

Start indoors: Mar 11

Transplant outdoors: Jun 3

~70 days to harvest

Buy Seeds
Impatiens

Impatiens walleriana

Start indoors: Mar 11

Transplant outdoors: Jun 3

~60 days to harvest

Buy Seeds
Salvia (Annual)

Salvia splendens

Start indoors: Mar 11

Transplant outdoors: Jun 3

~75 days to harvest

Buy Seeds
Basil

Ocimum basilicum

Start indoors: Mar 25

Transplant outdoors: Jun 3

~60 days to harvest

Buy Seeds
Chives

Allium schoenoprasum

Start indoors: Mar 25

Transplant outdoors: May 6

~60 days to harvest

Buy Seeds
Marjoram

Origanum majorana

Start indoors: Mar 25

Transplant outdoors: Jun 3

~60 days to harvest

Buy Seeds
Oregano

Origanum vulgare

Start indoors: Mar 25

Transplant outdoors: Jun 3

~80 days to harvest

Buy Seeds
Parsley

Petroselinum crispum

Start indoors: Mar 25

Transplant outdoors: Jun 3

~75 days to harvest

Buy Seeds
Sage

Salvia officinalis

Start indoors: Mar 25

Transplant outdoors: Jun 3

~75 days to harvest

Buy Seeds
Tarragon

Artemisia dracunculus

Start indoors: Mar 25

Transplant outdoors: Jun 3

~60 days to harvest

Buy Seeds
Thyme

Thymus vulgaris

Start indoors: Mar 25

Transplant outdoors: Jun 3

~90 days to harvest

Buy Seeds
Artichoke

Cynara scolymus

Start indoors: Mar 25

Transplant outdoors: Jun 3

~150 days to harvest

Buy Seeds
Asparagus

Asparagus officinalis

Start indoors: Mar 25

Transplant outdoors: Jun 3

~730 days to harvest

Buy Seeds
Eggplant

Solanum melongena

Start indoors: Mar 25

Transplant outdoors: Jun 3

~70 days to harvest

Buy Seeds
Okra

Abelmoschus esculentus

Start indoors: Mar 25

Transplant outdoors: Jun 3

~91 days to harvest

Buy Seeds
Onion

Allium cepa

Start indoors: Mar 25

Transplant outdoors: Jun 3

~100 days to harvest

Buy Seeds
Rhubarb

Rheum rhabarbarum

Start indoors: Mar 25

Transplant outdoors: Jun 3

~365 days to harvest

Buy Seeds
Catnip

Nepeta cataria

Start indoors: Mar 25

Transplant outdoors: Jun 3

~90 days to harvest

Buy Seeds
Valerian

Valeriana officinalis

Start indoors: Mar 25

Transplant outdoors: Jun 3

~365 days to harvest

Buy Seeds
Bee Balm

Monarda didyma

Start indoors: Mar 25

Transplant outdoors: Jun 3

~365 days to harvest

Buy Seeds
Lovage

Levisticum officinale

Start indoors: Mar 25

Transplant outdoors: Jun 3

~365 days to harvest

Buy Seeds
Snapdragon

Antirrhinum majus

Start indoors: Mar 25

Transplant outdoors: Jun 3

~60 days to harvest

Buy Seeds
Pansy

Viola x wittrockiana

Start indoors: Mar 25

Transplant outdoors: Jun 3

~50 days to harvest

Buy Seeds
Columbine

Aquilegia vulgaris

Start indoors: Mar 25

Transplant outdoors: Jun 3

~365 days to harvest

Buy Seeds
Verbena

Verbena hybrida

Start indoors: Mar 25

Transplant outdoors: Jun 3

~85 days to harvest

Buy Seeds

Direct Sow in March

Sow these seeds directly in the ground this month.

Parsnip

Pastinaca sativa

Sow outdoors: Mar 25

~100 days to harvest

Buy Seeds

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