Create your calendar
Method
Rel. frost
Last spring frost (0°C) 27 Mar Frost 9 of 10 years · 20 years of data
Frost-free season 202 days 27 Mar – 15 Oct
Probability that frost is over

10% = 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)
6 – 20 Feb
19 Jun
5-7 wk
27 Mar
24 Jul
0 wk
20 Mar
14 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
13 – 27 Feb
1 Jul
4-6 wk
27 Mar
29 Jul
0 wk
20 Mar
19 Jul
1 wk before
Chili pepper
Capsicum annuum
Greenhouse
13 Jan – 10 Feb
9 Apr
8-12 wk
7 Apr
4 Jun
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
6 – 20 Feb
14 Jun
5-7 wk
27 Mar
19 Jul
0 wk
15 Mar
9 Jul
2 wk before
Garden cucumber
Cucumis sativus
Fleece
18 – 25 Mar
3 Jun
3-4 wk
15 Apr
24 Jun
3 wk after
Florence Fennel
Foeniculum vulgare
28 Mar – 4 Apr
11 Jun
4-5 wk
2 May
9 Jul
5 wk after
2 May
29 Jun
5 wk after
Butter bean
Phaseolus lunatus
Greenhouse
11 – 18 Apr
12 May
3-4 wk
9 May
2 Jun
6 wk after
Onion
Allium cepa (Cepa-gruppen)
2 – 30 Jan
3 Apr
8-12 wk
27 Mar
29 May
0 wk
6 Apr
19 May
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
20 Mar
18 Jun
1 wk before
20 Mar
8 Jun
1 wk before
Maize
Zea mays
Fleece
10 – 17 Mar
24 May
3-4 wk
7 Apr
14 Jun
2 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
5 – 12 Mar
8 Jul
3-4 wk
2 Apr
29 Jul
1 wk after
6 Apr
19 Jul
1 wk after
Carrot
Daucus carota subsp. sativus var. sativus
27 Mar
9 Jul
0 wk
15 Mar
29 Jun
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
6 – 20 Feb
14 Jun
5-7 wk
27 Mar
19 Jul
0 wk
15 Mar
9 Jul
2 wk before
Potato
Solanum tuberosum
18 Feb – 4 Mar
7 Jun
4-6 wk
1 Apr
5 Jul
1 wk after
1 Apr
25 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
6 – 20 Feb
24 Jun
5-7 wk
27 Mar
29 Jul
0 wk
20 Mar
19 Jul
1 wk before
Pumpkin
Cucurbita pepo
4 – 11 Apr
8 Jun
3-4 wk
2 May
29 Jun
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
5 – 12 Mar
15 Jun
3-4 wk
2 Apr
6 Jul
1 wk after
6 Apr
26 Jun
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
13 – 27 Feb
26 Jun
4-6 wk
27 Mar
24 Jul
0 wk
Lettuce
Lactuca sativa
27 Feb – 6 Mar
13 Jul
3-4 wk
27 Mar
3 Aug
0 wk
20 Mar
24 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
13 – 27 Feb
26 Jun
4-6 wk
27 Mar
24 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
15 Feb – 1 Mar
5 Jun
2-4 wk
15 Mar
19 Jun
2 wk before
15 Mar
9 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
20 Mar
18 Jun
1 wk before
20 Mar
8 Jun
1 wk before
Spinach
Spinacia oleracea
27 Feb – 6 Mar
28 Jul
3-4 wk
27 Mar
18 Aug
0 wk
9 Mar
8 Aug
3 wk before
Sweet potato
Ipomoea batatas
23 Apr – 7 May
4-6 wk
4 Jun
10 wk after
Garden tomato
Solanum lycopersicum
Fleece
10 – 24 Feb
3 May
6-8 wk
7 Apr
14 Jun
2 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
18 Mar – 1 Apr
10 Jun
2-4 wk
15 Apr
24 Jun
3 wk after
2 May
14 Jun
5 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
13 – 27 Feb
26 Jun
4-6 wk
27 Mar
24 Jul
0 wk
Garden pea
Pisum sativum
27 Feb – 6 Mar
28 Jun
3-4 wk
27 Mar
19 Jul
0 wk
20 Mar
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
21 Mar – 4 Apr
17 May
4-6 wk
2 May
14 Jun
5 wk after
Lemon balm
Melissa officinalis
16 – 30 Jan
24 May
8-10 wk
27 Mar
19 Jul
0 wk
17 Apr
9 Jul
3 wk after
Dill
Anethum graveolens
20 Mar
29 Jul
1 wk before
Wild chives
Allium schoenoprasum
Season too short
30 Jan – 13 Feb
7 Jun
6-8 wk
27 Mar
19 Jul
0 wk
26 Feb
9 Jul
4 wk before
Spearmint
Mentha spicata
2 – 30 Jan
24 May
8-12 wk
27 Mar
19 Jul
0 wk
17 Apr
9 Jul
3 wk after
Coriander
Coriandrum sativum
27 Mar
18 Aug
0 wk
6 Apr
8 Aug
1 wk after
Garden sage
Salvia officinalis
22 Jan – 5 Feb
9 May
8-10 wk
2 Apr
4 Jul
1 wk after
Common thyme
Thymus vulgaris
16 – 30 Jan
14 May
8-10 wk
27 Mar
9 Jul
0 wk
Oregano
Origanum vulgare
30 Jan – 13 Feb
28 May
6-8 wk
27 Mar
9 Jul
0 wk
17 Apr
29 Jun
3 wk after
Parsley
Petroselinum crispum
30 Jan – 13 Feb
28 May
6-8 wk
27 Mar
9 Jul
0 wk
20 Mar
29 Jun
1 wk before
Rosemary
Salvia rosmarinus
25 Dec – 22 Jan
10 Apr
10-14 wk
2 Apr
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
4 – 11 Apr
24 May
3-4 wk
2 May
14 Jun
5 wk after
Cornflower
Centaurea cyanus
27 Mar
19 Jul
0 wk
20 Mar
9 Jul
1 wk before
Statice
Limonium sinuatum
4 – 18 Feb
22 Apr
8-10 wk
15 Apr
17 Jun
3 wk after
Sweet William
Dianthus barbatus
30 Jan – 13 Feb
6-8 wk
27 Mar
0 wk
1 Apr
1 wk after
Snow-on-the-mountain
Euphorbia marginata
18 Feb – 4 Mar
6 May
6-8 wk
15 Apr
17 Jun
3 wk after
4 Jun
7 Jun
10 wk after
Pinnate dahlia
Dahlia × pinnata
13 – 27 Feb
8 May
6-8 wk
10 Apr
19 Jun
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
20 Feb – 20 Mar
22 May
4-8 wk
17 Apr
19 Jun
3 wk after
17 Apr
9 Jun
3 wk after
Foxglove
Digitalis purpurea
16 – 30 Jan
8-10 wk
27 Mar
0 wk
6 Apr
1 wk after
Busy lizzie
Impatiens walleriana
7 Feb – 7 Mar
12 Jun
8-12 wk
2 May
7 Aug
5 wk after
Creeping zinnia
Sanvitalia procumbens
18 Feb – 4 Mar
16 May
6-8 wk
15 Apr
27 Jun
3 wk after
Hyacinth bean
Dolichos lablab
Fleece
21 Mar – 4 Apr
17 Apr
4-6 wk
2 May
15 May
5 wk after
Chinese lantern
Physalis alkekengi
22 Jan – 5 Feb
24 Apr
8-10 wk
2 Apr
19 Jun
1 wk after
Love in a mist
Nigella damascena
27 Mar
4 Jul
0 wk
20 Mar
24 Jun
1 wk before
Strawflower
Xerochrysum bracteatum
18 Feb – 4 Mar
26 Apr
6-8 wk
15 Apr
7 Jun
3 wk after
4 Jun
10 wk after
Purple-top vervain
Verbena bonariensis
8 Jan – 5 Feb
24 Apr
8-12 wk
2 Apr
19 Jun
1 wk after
Cardoon
Cynara cardunculus
21 Jan – 18 Feb
25 Mar
8-12 wk
15 Apr
20 May
3 wk after
Regal-foxtail
Ptilotus nobilis
7 Feb – 7 Mar
9 Apr
8-12 wk
2 May
4 Jun
5 wk after
Globe amaranth
Gomphrena globosa
7 – 21 Mar
23 Apr
6-8 wk
2 May
4 Jun
5 wk after
Corn poppy
Papaver rhoeas
27 Mar
19 Jul
0 wk
20 Mar
9 Jul
1 wk before
Snapdragon
Antirrhinum majus
2 – 30 Jan
14 May
8-12 wk
27 Mar
9 Jul
0 wk
1 Apr
29 Jun
1 wk after
Flossflower
Ageratum houstonianum
21 Feb – 7 Mar
2 May
8-10 wk
2 May
27 Jun
5 wk after
Sweet pea
Lathyrus odoratus
30 Jan – 20 Feb
4 Jun
5-8 wk
27 Mar
9 Jul
0 wk
Stock
Matthiola incana
30 Jan – 13 Feb
7 Jun
6-8 wk
27 Mar
19 Jul
0 wk
6 Apr
9 Jul
1 wk after
Wormwood
Artemisia absinthium
30 Jan – 13 Feb
8 May
6-8 wk
27 Mar
19 Jun
0 wk
6 Apr
9 Jun
1 wk after
Mexican sunflower
Tithonia rotundifolia
21 Mar – 4 Apr
2 May
4-6 wk
2 May
30 May
5 wk after
Garden pansy
Viola × wittrockiana
16 – 30 Jan
24 May
8-10 wk
27 Mar
19 Jul
0 wk
1 Apr
9 Jul
1 wk after
Petunia
Petunia
21 Jan – 18 Feb
22 Apr
8-12 wk
15 Apr
17 Jun
3 wk after
Sweet Scabious
Scabiosa atropurpurea
5 – 19 Feb
8 May
6-8 wk
2 Apr
19 Jun
1 wk after
2 May
9 Jun
5 wk after
Common zinnia
Zinnia elegans
4 – 18 Mar
25 May
4-6 wk
15 Apr
22 Jun
3 wk after
Common morning glory
Ipomoea purpurea
28 Mar – 11 Apr
24 May
3-5 wk
2 May
14 Jun
5 wk after
Garden cosmos
Cosmos bipinnatus
4 – 18 Mar
22 May
4-6 wk
15 Apr
19 Jun
3 wk after
2 May
9 Jun
5 wk after
Scarlet milkweed
Asclepias curassavica
19 Feb – 19 Mar
9 May
8-12 wk
14 May
4 Jul
7 wk after
Bee balm
Monarda didyma
2 – 30 Jan
24 Apr
8-12 wk
27 Mar
19 Jun
0 wk
17 Apr
9 Jun
3 wk after
Yarrow
Achillea millefolium
30 Jan – 13 Feb
8 Apr
6-8 wk
27 Mar
20 May
0 wk
6 Apr
10 May
1 wk after
Safflower
Carthamus tinctorius
27 Mar
19 Jun
0 wk
20 Mar
9 Jun
1 wk before
Iceland poppy
Papaver nudicaule
Season too short
30 Jan – 13 Feb
28 May
6-8 wk
27 Mar
9 Jul
0 wk
16 Feb
29 Jun
6 wk before
Bishop's flower
Ammi majus
13 – 27 Feb
11 Jun
4-6 wk
27 Mar
9 Jul
0 wk
6 Apr
29 Jun
1 wk after
Drumsticks
Pycnosorus globosus
7 – 21 Feb
14 Mar
10-12 wk
2 May
23 May
5 wk after
Sunflower
Helianthus annuus
18 – 25 Mar
18 Jun
3-4 wk
15 Apr
9 Jul
3 wk after
17 Apr
29 Jun
3 wk after
China aster
Callistephus chinensis
18 Feb – 4 Mar
7 Jun
6-8 wk
15 Apr
19 Jul
3 wk after
2 May
9 Jul
5 wk after
Annual phlox
Phlox drummondii
10 – 24 Feb
16 May
6-8 wk
7 Apr
27 Jun
2 wk after
2 May
17 Jun
5 wk after
Hollyhock
Alcea rosea
30 Jan – 13 Feb
6-8 wk
27 Mar
0 wk
6 Apr
1 wk after
Alpine delphinium
Delphinium elatum
2 – 30 Jan
24 Apr
8-12 wk
27 Mar
19 Jun
0 wk
17 Apr
9 Jun
3 wk after
African marigold
Tagetes erecta
18 Feb – 4 Mar
16 May
6-8 wk
15 Apr
27 Jun
3 wk after
Black-eyed Susan
Rudbeckia hirta
5 – 19 Feb
28 May
6-8 wk
2 Apr
9 Jul
1 wk after
2 May
29 Jun
5 wk after
Wood sage
Salvia nemorosa
16 – 30 Jan
14 Apr
8-10 wk
27 Mar
9 Jun
0 wk
17 Apr
30 May
3 wk after
Black-eyed susan vine
Thunbergia alata
21 Feb – 21 Mar
3 May
6-10 wk
2 May
14 Jun
5 wk after
California goldenpoppy
Eschscholzia californica
27 Mar
19 Jul
0 wk
20 Mar
9 Jul
1 wk before
Painted tongue
Salpiglossis sinuata
4 – 18 Feb
14 May
8-10 wk
15 Apr
9 Jul
3 wk after
Water forget-me-not
Myosotis scorpioides
Season too short
30 Jan – 13 Feb
8 May
6-8 wk
27 Mar
19 Jun
0 wk
15 Mar
9 Jun
2 wk before