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Zone 6B — May

What to Plant in May in Zone 6B

May in Zone 6B: 0 crops to start indoors, 12 to plant or direct sow outside, and 106 entering harvest window. Last frost averages April 23. Reference city: Richmond, VA.
Updated May 13, 2026 · Frost data from NOAA 1991-2020 Climate Normals
0 Start Indoors
12 Plant Outside
106 Harvest
Frost window: Active

This is when frost can still happen in Zone 6B. The last spring frost typically lands on April 23, with a 10% chance of frost as late as May 10. Plan transplants with this window in mind.

See full Zone 6B frost outlook →

Start Indoors in May

No crops to start indoors in May for Zone 6B.

Plant Outside in May

Plant Type Action Target Date Harvest Window
Banana Peppers pepper Transplant May 6 Jul 5 – Jul 15
California Wonder Peppers pepper Transplant May 6 Jul 17 – Jul 20
Cubanelle Peppers pepper Transplant May 6 Jul 7 – Jul 15
Culinary Turmeric root vegetable Transplant May 6 Jan 1 2027 – Mar 2 2027
Dwarf Long Pod Okra vegetable Transplant May 6 Jun 30 – Jul 5
Ginger root vegetable Transplant May 6 Jan 1 2027 – Mar 2 2027
Habanero Pepper pepper Transplant May 6 Aug 4 – Sep 3
Jimmy Nardello Peppers pepper Transplant May 6 Jul 25 – Aug 4
King Arthur Peppers pepper Transplant May 6 Jul 7 – Jul 13
Lunchbox Mini Peppers pepper Transplant May 6 Jun 30 – Jul 5
Padron Peppers pepper Transplant May 6 Jul 5 – Jul 10
Shishito Peppers pepper Transplant May 6 Jul 5 – Jul 10

Harvest in May

Plant Type Planted / Sown Harvest Window
Alaska Early Pea legume Mar 25 May 19 – May 24
All Year Round lettuce Mar 21 May 24 – Jun 2
America lettuce Mar 21 May 3 – May 15
Black Seeded Simpson lettuce Mar 21 May 5 – May 6
Blonde de Paris lettuce Mar 21 May 10 – May 20
Bloomsdale Longstanding Spinach lettuce Mar 21 May 5 – May 12
Blue Curled Scotch lettuce Mar 21 May 15 – May 20
Bok Choy lettuce Mar 21 May 5 – May 20
Broadleaf Classic lettuce Mar 21 May 10 – May 20
Burgundy Boston lettuce Mar 21 May 10 – May 15
Buttercrunch lettuce Mar 21 May 6 – May 15
Butterhead Lettuce lettuce Mar 21 May 10 – May 25
Canary Yellow lettuce Mar 21 May 10 – May 20
Cascadia Sugar Snap Pea legume Mar 25 May 29 – May 31
Crisphead lettuce Mar 21 May 28 – Jun 4
Curly Kale lettuce Mar 21 May 15 – May 25
Dark Green Romaine lettuce Mar 21 May 20 – May 30
Delicatesse Blue Kohlrabi brassica Mar 25 May 19 – May 24
Delicatesse White Kohlrabi brassica Mar 25 May 19 – May 24
Early Jersey Wakefield Cabbage brassica Mar 25 May 29 – Jun 8
Endive / Escarole lettuce Mar 21 May 5 – May 25
Fordhook Giant lettuce Mar 21 May 5 – May 15
Georgia Southern Collard Greens lettuce Mar 21 May 20 – Jun 9
Giant Red lettuce Mar 21 May 5
Green Arrow Pea legume Mar 25 May 29 – Jun 3
Green Ice lettuce Mar 21 May 5
Green Wave lettuce Mar 21 May 5
Hot Pink lettuce Mar 21 May 10 – May 20
Iceberg lettuce Mar 21 May 28 – Jun 4
Kagraner Sommer lettuce Mar 21 May 10 – May 18
Lacinato Kale lettuce Mar 21 May 20 – May 25
Leaf Lettuce Mix lettuce Mar 21 May 5 – May 15
Little Gem lettuce Mar 21 May 10 – May 16
Little Marvel Pea legume Mar 25 May 24 – May 27
Lollo Bionda lettuce Mar 21 May 10 – May 20
Lollo Rossa lettuce Mar 21 May 13 – May 16
Magenta Sunset lettuce Mar 21 May 15 – May 20
Marvel of Four Seasons lettuce Mar 21 May 5 – May 20
Matador Viking lettuce Mar 21 May 5 – May 8
Monstrueux de Viroflay lettuce Mar 21 May 5 – May 10
Mâche (Corn Salad) lettuce Mar 21 May 20 – Jun 13
Napa Cabbage brassica Mar 21 May 30 – Jun 19
Noble Giant lettuce Mar 21 May 6 – May 10
Old Fashion lettuce Mar 21 May 5 – May 10
Orange lettuce Mar 21 May 5 – May 15
Oregon Sugar Pod Snow Pea legume Mar 25 May 24 – Jun 1
Premier lettuce Mar 21 May 10 – May 20
Progress No. 9 Shelling Pea legume Mar 25 May 22 – May 26
Radicchio lettuce Mar 21 May 20 – Jun 14
Rainbow Mix lettuce Mar 21 May 10 – May 20
Red Leaf Lettuce lettuce Mar 21 May 5 – May 15
Red Romaine lettuce Mar 21 May 20 – May 30
Red Russian Kale lettuce Mar 21 May 10 – May 20
Romaine Lettuce lettuce Mar 21 May 25 – Jun 4
Ruby Red lettuce Mar 21 May 15 – May 20
Salad Bowl Green lettuce Mar 21 May 9 – May 10
Siberian Dwarf lettuce Mar 21 May 10 – May 15
Sugar Ann Snap Pea legume Mar 25 May 16 – May 20
Summer Bibb lettuce Mar 21 May 15 – May 20
Swiss Chard lettuce Mar 21 May 10 – May 20
Tom Thumb lettuce Mar 21 May 10 – May 30
Tuscany Black lettuce Mar 21 May 20 – Jun 4
Vates lettuce Mar 21 May 10 – May 15
Vates lettuce Mar 21 May 20 – Jun 4
Vienna Purple Kohlrabi brassica Mar 25 May 19 – May 29
Vienna White Kohlrabi brassica Mar 25 May 29
Wando Pea legume Mar 25 May 27 – Jun 1
Winner Kohlrabi brassica Mar 21 May 5 – May 10
Winter Density lettuce Mar 21 May 14 – May 20
Winter Giant lettuce Mar 21 May 5 – May 10
Beauty Pink Radishes root vegetable Apr 15 May 10 – May 15
Beauty Purple Radishes root vegetable Apr 15 May 10 – May 15
Beauty White Radishes root vegetable Apr 15 May 10 – May 15
Black Oil Sunflower Microgreens microgreen Apr 29 May 6 – May 11
Bouquet Dill herb Apr 1 May 21 – Jun 5
Buckwheat cover crop Apr 15 May 15 – May 30
Champion Radishes root vegetable Apr 15 May 10 – May 15
Cherry Belle Radish root vegetable Apr 22 May 13 – May 22
Daikon Radishes root vegetable Apr 1 May 16 – May 26
Dark Green Italian Giant Parsley herb Apr 1 May 31 – Jun 15
Dill herb Apr 15 May 25 – Jun 9
Dukat Dill herb Apr 1 May 11 – May 21
Easter Egg Radishes root vegetable Apr 15 May 13 – May 17
Fairy Dwarf Mix Candytuft Flowers flower Apr 8 May 23 – Jun 7
Fenugreek herb Apr 1 May 6 – May 21
French Breakfast Radish root vegetable Apr 22 May 13 – May 20
Golden Globe Turnips root vegetable Apr 15 May 30 – Jun 4
Green Purslane vegetable Apr 22 May 27 – Jun 11
Hailstone Radishes root vegetable Apr 15 May 15
Mammoth Dill herb Apr 1 May 16 – Jun 5
Medium Red Clover Cover Crop cover crop Apr 1 May 31 – Jun 15
Purple Plum Radishes root vegetable Apr 15 May 13 – May 15
Rambo Radish Microgreens microgreen Apr 29 May 5 – May 9
Rapeseed Cover Crop cover crop Apr 1 May 16 – Jun 10
Royal Carpet Alyssum Flowers flower Apr 8 May 23 – Jun 7
Scarlet Flax Flowers flower Apr 1 May 26 – Jun 10
Shungiku (Edible Chrysanthemum) vegetable Apr 1 May 11 – May 26
Slow-Bolt (Slo-Bolt) Cilantro/Coriander herb Apr 15 May 13 – May 25
Sparkler Radishes root vegetable Apr 15 May 10 – May 15
Speckled Pea Shoot Microgreens microgreen Apr 29 May 7 – May 13
Sweet Alyssum flower Apr 15 May 25 – Jun 9
Tri Color Amaranth (Joseph's Coat) vegetable Apr 22 May 22 – Jun 6
Viola and pansy edible flowers flower Apr 1 May 31 – Jun 10
Water spinach stems and leaves lettuce Apr 15 May 15 – May 30
White Icicle Radishes root vegetable Apr 15 May 15 – May 25
Yellow Sweet Blossom Clover Cover Crop cover crop Apr 1 May 31 – Jun 30

Key Tasks for May in Zone 6B

  1. 1 Harden off transplants before moving outdoors — set them outside in a sheltered spot for increasing hours over 7–10 days before planting in the ground.
  2. 2 Check soil moisture before watering — stick a finger 2 inches into the soil. Water only when the soil is dry at that depth. Consistent moisture is more important than frequency.
Back to full Zone 6B planting calendar
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