Create your calendar
Method
Rel. frost
Last spring frost (0°C) 3 May Frost 1 of 10 years · 20 years of data
Frost-free season 199 days 3 May – 18 Nov
Probability that frost is over

90% = Half of years are frost-free by this date. More about frost & season →

Custom date

Vegetables

Plant Sow indoors Transplant Direct sow
Earliest Latest Growing time Earliest Latest Rel. frost Earliest Latest Rel. frost
Cauliflower
Brassica oleracea (Botrytis-gruppen)
15 – 29 Mar
21 Jun
5-7 wk
3 May
26 Jul
0 wk
27 Apr
16 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
22 Mar – 5 Apr
3 Jul
4-6 wk
3 May
31 Jul
0 wk
27 Apr
21 Jul
1 wk before
Chili pepper
Capsicum annuum
Fleece
7 Mar – 4 Apr
24 Mar
8-12 wk
30 May
4 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
15 – 29 Mar
16 Jun
5-7 wk
3 May
21 Jul
0 wk
20 Apr
11 Jul
2 wk before
Garden cucumber
Cucumis sativus
16 – 23 May
18 May
3-4 wk
13 Jun
6 wk after
Florence Fennel
Foeniculum vulgare
9 – 16 May
13 Jun
4-5 wk
13 Jun
11 Jul
6 wk after
13 Jun
1 Jul
6 wk after
Butter bean
Phaseolus lunatus
Greenhouse
26 May – 2 Jun
29 May
3-4 wk
23 Jun
7 wk after
Onion
Allium cepa (Cepa-gruppen)
8 Feb – 8 Mar
6 Apr
8-12 wk
3 May
1 Jun
0 wk
16 May
22 May
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
27 Apr
21 Jun
1 wk before
27 Apr
11 Jun
1 wk before
Maize
Zea mays
2 – 9 May
8 May
3-4 wk
30 May
4 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
5 – 12 Apr
10 Jul
3-4 wk
3 May
31 Jul
0 wk
16 May
21 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
3 May
11 Jul
0 wk
20 Apr
1 Jul
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
15 – 29 Mar
16 Jun
5-7 wk
3 May
21 Jul
0 wk
20 Apr
11 Jul
2 wk before
Potato
Solanum tuberosum
27 Mar – 10 Apr
13 Jun
4-6 wk
8 May
11 Jul
1 wk after
8 May
1 Jul
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
15 – 29 Mar
26 Jun
5-7 wk
3 May
31 Jul
0 wk
27 Apr
21 Jul
1 wk before
Pumpkin
Cucurbita pepo
16 – 23 May
16 Jun
3-4 wk
13 Jun
7 Jul
6 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
5 – 12 Apr
10 Jul
3-4 wk
3 May
31 Jul
0 wk
16 May
21 Jul
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
22 Mar – 5 Apr
28 Jun
4-6 wk
3 May
26 Jul
0 wk
Lettuce
Lactuca sativa
5 – 12 Apr
15 Jul
3-4 wk
3 May
5 Aug
0 wk
27 Apr
26 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
22 Mar – 5 Apr
28 Jun
4-6 wk
3 May
26 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
23 Mar – 6 Apr
7 Jun
2-4 wk
20 Apr
21 Jun
2 wk before
20 Apr
11 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
27 Apr
21 Jun
1 wk before
27 Apr
11 Jun
1 wk before
Spinach
Spinacia oleracea
5 – 12 Apr
30 Jul
3-4 wk
3 May
20 Aug
0 wk
13 Apr
10 Aug
3 wk before
Sweet potato
Ipomoea batatas
4 – 18 Jun
4-6 wk
16 Jul
11 wk after
Garden tomato
Solanum lycopersicum
4 – 18 Apr
17 Apr
6-8 wk
30 May
4 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
2 – 16 May
18 Jun
2-4 wk
30 May
2 Jul
4 wk after
13 Jun
22 Jun
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
22 Mar – 5 Apr
28 Jun
4-6 wk
3 May
26 Jul
0 wk
Garden pea
Pisum sativum
5 – 12 Apr
30 Jun
3-4 wk
3 May
21 Jul
0 wk
27 Apr
11 Jul
1 wk before

Herbs

Plant Sow indoors Transplant Direct sow
Earliest Latest Growing time Earliest Latest Rel. frost Earliest Latest Rel. frost
Basil
Ocimum basilicum
2 – 16 May
25 May
4-6 wk
13 Jun
22 Jun
6 wk after
Lemon balm
Melissa officinalis
22 Feb – 8 Mar
26 May
8-10 wk
3 May
21 Jul
0 wk
29 May
11 Jul
4 wk after
Dill
Anethum graveolens
27 Apr
31 Jul
1 wk before
Wild chives
Allium schoenoprasum
8 – 22 Mar
9 Jun
6-8 wk
3 May
21 Jul
0 wk
27 Apr
11 Jul
1 wk before
Spearmint
Mentha spicata
8 Feb – 8 Mar
26 May
8-12 wk
3 May
21 Jul
0 wk
29 May
11 Jul
4 wk after
Coriander
Coriandrum sativum
3 May
20 Aug
0 wk
16 May
10 Aug
2 wk after
Garden sage
Salvia officinalis
22 Feb – 8 Mar
11 May
8-10 wk
3 May
6 Jul
0 wk
Common thyme
Thymus vulgaris
22 Feb – 8 Mar
16 May
8-10 wk
3 May
11 Jul
0 wk
Oregano
Origanum vulgare
8 – 22 Mar
30 May
6-8 wk
3 May
11 Jul
0 wk
29 May
1 Jul
4 wk after
Parsley
Petroselinum crispum
8 – 22 Mar
30 May
6-8 wk
3 May
11 Jul
0 wk
27 Apr
1 Jul
1 wk before
Rosemary
Salvia rosmarinus
25 Jan – 22 Feb
12 Apr
10-14 wk
3 May
21 Jun
0 wk

Annual flowers

Plant Sow indoors Transplant Direct sow
Earliest Latest Growing time Earliest Latest Rel. frost Earliest Latest Rel. frost
Morning glory
Ipomoea tricolor
16 – 23 May
1 Jun
3-4 wk
13 Jun
22 Jun
6 wk after
Cornflower
Centaurea cyanus
3 May
21 Jul
0 wk
27 Apr
11 Jul
1 wk before
Statice
Limonium sinuatum
21 Mar – 4 Apr
7 May
8-10 wk
30 May
2 Jul
4 wk after
Sweet William
Dianthus barbatus
8 – 22 Mar
6-8 wk
3 May
0 wk
8 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
4 – 18 Apr
21 May
6-8 wk
30 May
2 Jul
4 wk after
16 Jul
11 wk after
Pinnate dahlia
Dahlia × pinnata
30 Mar – 13 Apr
23 May
6-8 wk
25 May
4 Jul
3 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
3 Apr – 1 May
6 Jun
4-8 wk
29 May
4 Jul
4 wk after
29 May
24 Jun
4 wk after
Foxglove
Digitalis purpurea
22 Feb – 8 Mar
8-10 wk
3 May
0 wk
16 May
2 wk after
Busy lizzie
Impatiens walleriana
21 Mar – 18 Apr
29 Jun
8-12 wk
13 Jun
24 Aug
6 wk after
Creeping zinnia
Sanvitalia procumbens
4 – 18 Apr
31 May
6-8 wk
30 May
12 Jul
4 wk after
Hyacinth bean
Dolichos lablab
Fleece
2 – 16 May
4-6 wk
13 Jun
6 wk after
Chinese lantern
Physalis alkekengi
22 Feb – 8 Mar
26 Apr
8-10 wk
3 May
21 Jun
0 wk
Love in a mist
Nigella damascena
3 May
6 Jul
0 wk
27 Apr
26 Jun
1 wk before
Strawflower
Xerochrysum bracteatum
4 – 18 Apr
11 May
6-8 wk
30 May
22 Jun
4 wk after
16 Jul
11 wk after
Purple-top vervain
Verbena bonariensis
8 Feb – 8 Mar
26 Apr
8-12 wk
3 May
21 Jun
0 wk
Cardoon
Cynara cardunculus
7 Mar – 4 Apr
27 Mar
8-12 wk
30 May
4 wk after
Regal-foxtail
Ptilotus nobilis
21 Mar – 18 Apr
17 Apr
8-12 wk
13 Jun
6 wk after
Globe amaranth
Gomphrena globosa
18 Apr – 2 May
1 May
6-8 wk
13 Jun
6 wk after
Corn poppy
Papaver rhoeas
3 May
21 Jul
0 wk
27 Apr
11 Jul
1 wk before
Snapdragon
Antirrhinum majus
8 Feb – 8 Mar
16 May
8-12 wk
3 May
11 Jul
0 wk
8 May
1 Jul
1 wk after
Flossflower
Ageratum houstonianum
4 – 18 Apr
17 May
8-10 wk
13 Jun
12 Jul
6 wk after
Sweet pea
Lathyrus odoratus
8 – 29 Mar
6 Jun
5-8 wk
3 May
11 Jul
0 wk
Stock
Matthiola incana
8 – 22 Mar
9 Jun
6-8 wk
3 May
21 Jul
0 wk
16 May
11 Jul
2 wk after
Wormwood
Artemisia absinthium
8 – 22 Mar
10 May
6-8 wk
3 May
21 Jun
0 wk
16 May
11 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
2 – 16 May
10 May
4-6 wk
13 Jun
6 wk after
Garden pansy
Viola × wittrockiana
22 Feb – 8 Mar
26 May
8-10 wk
3 May
21 Jul
0 wk
8 May
11 Jul
1 wk after
Petunia
Petunia
7 Mar – 4 Apr
7 May
8-12 wk
30 May
2 Jul
4 wk after
Sweet Scabious
Scabiosa atropurpurea
8 – 22 Mar
10 May
6-8 wk
3 May
21 Jun
0 wk
13 Jun
6 wk after
Common zinnia
Zinnia elegans
18 Apr – 2 May
11 Jun
4-6 wk
30 May
9 Jul
4 wk after
Common morning glory
Ipomoea purpurea
9 – 23 May
1 Jun
3-5 wk
13 Jun
22 Jun
6 wk after
Garden cosmos
Cosmos bipinnatus
18 Apr – 2 May
6 Jun
4-6 wk
30 May
4 Jul
4 wk after
13 Jun
24 Jun
6 wk after
Scarlet milkweed
Asclepias curassavica
8 Apr – 6 May
17 May
8-12 wk
1 Jul
12 Jul
8 wk after
Bee balm
Monarda didyma
8 Feb – 8 Mar
26 Apr
8-12 wk
3 May
21 Jun
0 wk
29 May
11 Jun
4 wk after
Yarrow
Achillea millefolium
8 – 22 Mar
10 Apr
6-8 wk
3 May
22 May
0 wk
16 May
2 wk after
Safflower
Carthamus tinctorius
3 May
21 Jun
0 wk
27 Apr
11 Jun
1 wk before
Iceland poppy
Papaver nudicaule
Season too short
8 – 22 Mar
30 May
6-8 wk
3 May
11 Jul
0 wk
18 Mar
1 Jul
7 wk before
Bishop's flower
Ammi majus
22 Mar – 5 Apr
13 Jun
4-6 wk
3 May
11 Jul
0 wk
16 May
1 Jul
2 wk after
Drumsticks
Pycnosorus globosus
21 Mar – 4 Apr
31 Mar
10-12 wk
13 Jun
6 wk after
Sunflower
Helianthus annuus
2 – 9 May
20 Jun
3-4 wk
30 May
11 Jul
4 wk after
29 May
1 Jul
4 wk after
China aster
Callistephus chinensis
4 – 18 Apr
9 Jun
6-8 wk
30 May
21 Jul
4 wk after
13 Jun
11 Jul
6 wk after
Annual phlox
Phlox drummondii
26 Mar – 9 Apr
31 May
6-8 wk
21 May
12 Jul
3 wk after
13 Jun
2 Jul
6 wk after
Hollyhock
Alcea rosea
8 – 22 Mar
6-8 wk
3 May
0 wk
16 May
2 wk after
Alpine delphinium
Delphinium elatum
8 Feb – 8 Mar
26 Apr
8-12 wk
3 May
21 Jun
0 wk
29 May
11 Jun
4 wk after
African marigold
Tagetes erecta
4 – 18 Apr
31 May
6-8 wk
30 May
12 Jul
4 wk after
Black-eyed Susan
Rudbeckia hirta
8 – 22 Mar
30 May
6-8 wk
3 May
11 Jul
0 wk
13 Jun
1 Jul
6 wk after
Wood sage
Salvia nemorosa
22 Feb – 8 Mar
16 Apr
8-10 wk
3 May
11 Jun
0 wk
29 May
1 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
4 Apr – 2 May
11 May
6-10 wk
13 Jun
22 Jun
6 wk after
California goldenpoppy
Eschscholzia californica
3 May
21 Jul
0 wk
27 Apr
11 Jul
1 wk before
Painted tongue
Salpiglossis sinuata
21 Mar – 4 Apr
16 May
8-10 wk
30 May
11 Jul
4 wk after
Water forget-me-not
Myosotis scorpioides
8 – 22 Mar
10 May
6-8 wk
3 May
21 Jun
0 wk
16 May
11 Jun
2 wk after