Create your calendar
Method
Rel. frost
Last spring frost (0°C) 25 Apr Frost 3 of 4 years · 20 years of data
Frost-free season 167 days 25 Apr – 9 Oct
Probability that frost is over

25% = 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)
7 – 21 Mar
19 Jun
5-7 wk
25 Apr
24 Jul
0 wk
18 Apr
14 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
14 – 28 Mar
1 Jul
4-6 wk
25 Apr
29 Jul
0 wk
18 Apr
19 Jul
1 wk before
Chili pepper
Capsicum annuum
8 Mar – 5 Apr
1 Apr
8-12 wk
31 May
5 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
7 – 21 Mar
14 Jun
5-7 wk
25 Apr
19 Jul
0 wk
13 Apr
9 Jul
2 wk before
Garden cucumber
Cucumis sativus
3 – 10 May
10 Jun
3-4 wk
31 May
1 Jul
5 wk after
Florence Fennel
Foeniculum vulgare
26 Apr – 3 May
8 Jun
4-5 wk
31 May
6 Jul
5 wk after
31 May
26 Jun
5 wk after
Butter bean
Phaseolus lunatus
Greenhouse
10 – 17 May
2 Jun
3-4 wk
7 Jun
23 Jun
6 wk after
Onion
Allium cepa (Cepa-gruppen)
31 Jan – 28 Feb
4 Apr
8-12 wk
25 Apr
30 May
0 wk
5 May
20 May
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
18 Apr
19 Jun
1 wk before
18 Apr
9 Jun
1 wk before
Maize
Zea mays
16 – 23 Apr
31 May
3-4 wk
14 May
21 Jun
3 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
3 – 10 Apr
8 Jul
3-4 wk
1 May
29 Jul
1 wk after
5 May
19 Jul
1 wk after
Carrot
Daucus carota subsp. sativus var. sativus
25 Apr
9 Jul
0 wk
13 Apr
29 Jun
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
7 – 21 Mar
14 Jun
5-7 wk
25 Apr
19 Jul
0 wk
13 Apr
9 Jul
2 wk before
Potato
Solanum tuberosum
19 Mar – 2 Apr
11 Jun
4-6 wk
30 Apr
9 Jul
1 wk after
30 Apr
29 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
7 – 21 Mar
24 Jun
5-7 wk
25 Apr
29 Jul
0 wk
18 Apr
19 Jul
1 wk before
Pumpkin
Cucurbita pepo
3 – 10 May
24 Jun
3-4 wk
31 May
15 Jul
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
3 – 10 Apr
24 Jun
3-4 wk
1 May
15 Jul
1 wk after
5 May
5 Jul
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
14 – 28 Mar
26 Jun
4-6 wk
25 Apr
24 Jul
0 wk
Lettuce
Lactuca sativa
28 Mar – 4 Apr
13 Jul
3-4 wk
25 Apr
3 Aug
0 wk
18 Apr
24 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
14 – 28 Mar
26 Jun
4-6 wk
25 Apr
24 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
16 – 30 Mar
5 Jun
2-4 wk
13 Apr
19 Jun
2 wk before
13 Apr
9 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
18 Apr
19 Jun
1 wk before
18 Apr
9 Jun
1 wk before
Spinach
Spinacia oleracea
28 Mar – 4 Apr
28 Jul
3-4 wk
25 Apr
18 Aug
0 wk
7 Apr
8 Aug
3 wk before
Sweet potato
Ipomoea batatas
22 May – 5 Jun
4-6 wk
3 Jul
10 wk after
Garden tomato
Solanum lycopersicum
19 Mar – 2 Apr
10 May
6-8 wk
14 May
21 Jun
3 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
16 – 30 Apr
26 Jun
2-4 wk
14 May
10 Jul
3 wk after
31 May
30 Jun
5 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
14 – 28 Mar
26 Jun
4-6 wk
25 Apr
24 Jul
0 wk
Garden pea
Pisum sativum
28 Mar – 4 Apr
28 Jun
3-4 wk
25 Apr
19 Jul
0 wk
18 Apr
9 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
19 Apr – 3 May
2 Jun
4-6 wk
31 May
30 Jun
5 wk after
Lemon balm
Melissa officinalis
14 – 28 Feb
24 May
8-10 wk
25 Apr
19 Jul
0 wk
16 May
9 Jul
3 wk after
Dill
Anethum graveolens
18 Apr
29 Jul
1 wk before
Wild chives
Allium schoenoprasum
28 Feb – 14 Mar
7 Jun
6-8 wk
25 Apr
19 Jul
0 wk
18 Apr
9 Jul
1 wk before
Spearmint
Mentha spicata
31 Jan – 28 Feb
24 May
8-12 wk
25 Apr
19 Jul
0 wk
16 May
9 Jul
3 wk after
Coriander
Coriandrum sativum
25 Apr
18 Aug
0 wk
5 May
8 Aug
1 wk after
Garden sage
Salvia officinalis
20 Feb – 6 Mar
9 May
8-10 wk
1 May
4 Jul
1 wk after
Common thyme
Thymus vulgaris
14 – 28 Feb
14 May
8-10 wk
25 Apr
9 Jul
0 wk
Oregano
Origanum vulgare
28 Feb – 14 Mar
28 May
6-8 wk
25 Apr
9 Jul
0 wk
16 May
29 Jun
3 wk after
Parsley
Petroselinum crispum
28 Feb – 14 Mar
28 May
6-8 wk
25 Apr
9 Jul
0 wk
18 Apr
29 Jun
1 wk before
Rosemary
Salvia rosmarinus
23 Jan – 20 Feb
10 Apr
10-14 wk
1 May
19 Jun
1 wk after

Annual flowers

Plant Sow indoors Transplant Direct sow
Earliest Latest Growing time Earliest Latest Rel. frost Earliest Latest Rel. frost
Morning glory
Ipomoea tricolor
3 – 10 May
9 Jun
3-4 wk
31 May
30 Jun
5 wk after
Cornflower
Centaurea cyanus
25 Apr
19 Jul
0 wk
18 Apr
9 Jul
1 wk before
Statice
Limonium sinuatum
5 – 19 Mar
9 May
8-10 wk
14 May
4 Jul
3 wk after
Sweet William
Dianthus barbatus
28 Feb – 14 Mar
6-8 wk
25 Apr
0 wk
30 Apr
1 wk after
Snow-on-the-mountain
Euphorbia marginata
19 Mar – 2 Apr
23 May
6-8 wk
14 May
4 Jul
3 wk after
3 Jul
10 wk after
Pinnate dahlia
Dahlia × pinnata
14 – 28 Mar
28 May
6-8 wk
9 May
9 Jul
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
21 Mar – 18 Apr
11 Jun
4-8 wk
16 May
9 Jul
3 wk after
16 May
29 Jun
3 wk after
Foxglove
Digitalis purpurea
14 – 28 Feb
8-10 wk
25 Apr
0 wk
5 May
1 wk after
Busy lizzie
Impatiens walleriana
8 Mar – 5 Apr
3 Jul
8-12 wk
31 May
28 Aug
5 wk after
Creeping zinnia
Sanvitalia procumbens
19 Mar – 2 Apr
2 Jun
6-8 wk
14 May
14 Jul
3 wk after
Hyacinth bean
Dolichos lablab
Fleece
19 Apr – 3 May
3 May
4-6 wk
31 May
31 May
5 wk after
Chinese lantern
Physalis alkekengi
20 Feb – 6 Mar
24 Apr
8-10 wk
1 May
19 Jun
1 wk after
Love in a mist
Nigella damascena
25 Apr
4 Jul
0 wk
18 Apr
24 Jun
1 wk before
Strawflower
Xerochrysum bracteatum
19 Mar – 2 Apr
13 May
6-8 wk
14 May
24 Jun
3 wk after
3 Jul
10 wk after
Purple-top vervain
Verbena bonariensis
6 Feb – 6 Mar
24 Apr
8-12 wk
1 May
19 Jun
1 wk after
Cardoon
Cynara cardunculus
19 Feb – 19 Mar
25 Mar
8-12 wk
14 May
20 May
3 wk after
Regal-foxtail
Ptilotus nobilis
8 Mar – 5 Apr
25 Apr
8-12 wk
31 May
20 Jun
5 wk after
Globe amaranth
Gomphrena globosa
5 – 19 Apr
9 May
6-8 wk
31 May
20 Jun
5 wk after
Corn poppy
Papaver rhoeas
25 Apr
19 Jul
0 wk
18 Apr
9 Jul
1 wk before
Snapdragon
Antirrhinum majus
31 Jan – 28 Feb
14 May
8-12 wk
25 Apr
9 Jul
0 wk
30 Apr
29 Jun
1 wk after
Flossflower
Ageratum houstonianum
22 Mar – 5 Apr
19 May
8-10 wk
31 May
14 Jul
5 wk after
Sweet pea
Lathyrus odoratus
28 Feb – 21 Mar
4 Jun
5-8 wk
25 Apr
9 Jul
0 wk
Stock
Matthiola incana
28 Feb – 14 Mar
7 Jun
6-8 wk
25 Apr
19 Jul
0 wk
5 May
9 Jul
1 wk after
Wormwood
Artemisia absinthium
28 Feb – 14 Mar
8 May
6-8 wk
25 Apr
19 Jun
0 wk
5 May
9 Jun
1 wk after
Mexican sunflower
Tithonia rotundifolia
19 Apr – 3 May
18 May
4-6 wk
31 May
15 Jun
5 wk after
Garden pansy
Viola × wittrockiana
14 – 28 Feb
24 May
8-10 wk
25 Apr
19 Jul
0 wk
30 Apr
9 Jul
1 wk after
Petunia
Petunia
19 Feb – 19 Mar
9 May
8-12 wk
14 May
4 Jul
3 wk after
Sweet Scabious
Scabiosa atropurpurea
6 – 20 Mar
8 May
6-8 wk
1 May
19 Jun
1 wk after
31 May
9 Jun
5 wk after
Common zinnia
Zinnia elegans
2 – 16 Apr
15 Jun
4-6 wk
14 May
13 Jul
3 wk after
Common morning glory
Ipomoea purpurea
26 Apr – 10 May
9 Jun
3-5 wk
31 May
30 Jun
5 wk after
Garden cosmos
Cosmos bipinnatus
2 – 16 Apr
11 Jun
4-6 wk
14 May
9 Jul
3 wk after
31 May
29 Jun
5 wk after
Scarlet milkweed
Asclepias curassavica
20 Mar – 17 Apr
25 May
8-12 wk
12 Jun
20 Jul
7 wk after
Bee balm
Monarda didyma
31 Jan – 28 Feb
24 Apr
8-12 wk
25 Apr
19 Jun
0 wk
16 May
9 Jun
3 wk after
Yarrow
Achillea millefolium
28 Feb – 14 Mar
8 Apr
6-8 wk
25 Apr
20 May
0 wk
5 May
10 May
1 wk after
Safflower
Carthamus tinctorius
25 Apr
19 Jun
0 wk
18 Apr
9 Jun
1 wk before
Iceland poppy
Papaver nudicaule
Season too short
28 Feb – 14 Mar
28 May
6-8 wk
25 Apr
9 Jul
0 wk
17 Mar
29 Jun
6 wk before
Bishop's flower
Ammi majus
14 – 28 Mar
11 Jun
4-6 wk
25 Apr
9 Jul
0 wk
5 May
29 Jun
1 wk after
Drumsticks
Pycnosorus globosus
8 – 22 Mar
4 Apr
10-12 wk
31 May
13 Jun
5 wk after
Sunflower
Helianthus annuus
16 – 23 Apr
18 Jun
3-4 wk
14 May
9 Jul
3 wk after
16 May
29 Jun
3 wk after
China aster
Callistephus chinensis
19 Mar – 2 Apr
7 Jun
6-8 wk
14 May
19 Jul
3 wk after
31 May
9 Jul
5 wk after
Annual phlox
Phlox drummondii
11 – 25 Mar
2 Jun
6-8 wk
6 May
14 Jul
2 wk after
31 May
4 Jul
5 wk after
Hollyhock
Alcea rosea
28 Feb – 14 Mar
6-8 wk
25 Apr
0 wk
5 May
1 wk after
Alpine delphinium
Delphinium elatum
31 Jan – 28 Feb
24 Apr
8-12 wk
25 Apr
19 Jun
0 wk
16 May
9 Jun
3 wk after
African marigold
Tagetes erecta
19 Mar – 2 Apr
2 Jun
6-8 wk
14 May
14 Jul
3 wk after
Black-eyed Susan
Rudbeckia hirta
6 – 20 Mar
28 May
6-8 wk
1 May
9 Jul
1 wk after
31 May
29 Jun
5 wk after
Wood sage
Salvia nemorosa
14 – 28 Feb
14 Apr
8-10 wk
25 Apr
9 Jun
0 wk
16 May
30 May
3 wk after
Black-eyed susan vine
Thunbergia alata
22 Mar – 19 Apr
19 May
6-10 wk
31 May
30 Jun
5 wk after
California goldenpoppy
Eschscholzia californica
25 Apr
19 Jul
0 wk
18 Apr
9 Jul
1 wk before
Painted tongue
Salpiglossis sinuata
5 – 19 Mar
11 May
8-10 wk
14 May
6 Jul
3 wk after
Water forget-me-not
Myosotis scorpioides
28 Feb – 14 Mar
8 May
6-8 wk
25 Apr
19 Jun
0 wk
5 May
9 Jun
1 wk after