Create your calendar
Method
Rel. frost
Last spring frost (0°C) 28 Mar Frost 9 of 10 years · 20 years of data
Frost-free season 206 days 28 Mar – 20 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)
7 – 21 Feb
20 Jun
5-7 wk
28 Mar
25 Jul
0 wk
22 Mar
15 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
14 – 28 Feb
2 Jul
4-6 wk
28 Mar
30 Jul
0 wk
22 Mar
20 Jul
1 wk before
Chili pepper
Capsicum annuum
Season too short
27 Jan – 24 Feb
6 Feb
8-12 wk
21 Apr
3 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
7 – 21 Feb
15 Jun
5-7 wk
28 Mar
20 Jul
0 wk
15 Mar
10 Jul
2 wk before
Garden cucumber
Cucumis sativus
Greenhouse
24 – 31 Mar
8 Jun
3-4 wk
21 Apr
29 Jun
3 wk after
Florence Fennel
Foeniculum vulgare
12 – 19 Apr
12 Jun
4-5 wk
17 May
10 Jul
7 wk after
8 May
30 Jun
6 wk after
Butter bean
Phaseolus lunatus
Greenhouse
29 Apr – 6 May
9 May
3-4 wk
27 May
30 May
9 wk after
Onion
Allium cepa (Cepa-gruppen)
3 – 31 Jan
5 Apr
8-12 wk
28 Mar
31 May
0 wk
10 Apr
21 May
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
22 Mar
20 Jun
1 wk before
22 Mar
10 Jun
1 wk before
Maize
Zea mays
Greenhouse
28 Feb – 7 Mar
29 May
3-4 wk
28 Mar
19 Jun
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
2 – 9 Mar
9 Jul
3-4 wk
30 Mar
30 Jul
0 wk
10 Apr
20 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
28 Mar
10 Jul
0 wk
15 Mar
30 Jun
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
7 – 21 Feb
15 Jun
5-7 wk
28 Mar
20 Jul
0 wk
15 Mar
10 Jul
2 wk before
Potato
Solanum tuberosum
19 Feb – 5 Mar
12 Jun
4-6 wk
2 Apr
10 Jul
1 wk after
2 Apr
30 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
7 – 21 Feb
25 Jun
5-7 wk
28 Mar
30 Jul
0 wk
22 Mar
20 Jul
1 wk before
Pumpkin
Cucurbita pepo
Fleece
7 – 14 Apr
13 Jun
3-4 wk
5 May
4 Jul
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
2 – 9 Mar
22 Jun
3-4 wk
30 Mar
13 Jul
0 wk
10 Apr
3 Jul
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
14 – 28 Feb
27 Jun
4-6 wk
28 Mar
25 Jul
0 wk
Lettuce
Lactuca sativa
28 Feb – 7 Mar
14 Jul
3-4 wk
28 Mar
4 Aug
0 wk
22 Mar
25 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
14 – 28 Feb
27 Jun
4-6 wk
28 Mar
25 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
15 Feb – 1 Mar
6 Jun
2-4 wk
15 Mar
20 Jun
2 wk before
15 Mar
10 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
22 Mar
20 Jun
1 wk before
22 Mar
10 Jun
1 wk before
Spinach
Spinacia oleracea
28 Feb – 7 Mar
29 Jul
3-4 wk
28 Mar
19 Aug
0 wk
8 Mar
9 Aug
3 wk before
Sweet potato
Ipomoea batatas
29 Apr – 13 May
4-6 wk
10 Jun
11 wk after
Garden tomato
Solanum lycopersicum
Greenhouse
31 Jan – 14 Feb
8 May
6-8 wk
28 Mar
19 Jun
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Fleece
24 Mar – 7 Apr
15 Jun
2-4 wk
21 Apr
29 Jun
3 wk after
23 Apr
19 Jun
4 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
14 – 28 Feb
27 Jun
4-6 wk
28 Mar
25 Jul
0 wk
Garden pea
Pisum sativum
28 Feb – 7 Mar
29 Jun
3-4 wk
28 Mar
20 Jul
0 wk
22 Mar
10 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
Fleece
24 Mar – 7 Apr
22 May
4-6 wk
5 May
19 Jun
5 wk after
Lemon balm
Melissa officinalis
17 – 31 Jan
25 May
8-10 wk
28 Mar
20 Jul
0 wk
23 Apr
10 Jul
4 wk after
Dill
Anethum graveolens
22 Mar
30 Jul
1 wk before
Wild chives
Allium schoenoprasum
Season too short
31 Jan – 14 Feb
8 Jun
6-8 wk
28 Mar
20 Jul
0 wk
22 Feb
10 Jul
5 wk before
Spearmint
Mentha spicata
3 – 31 Jan
25 May
8-12 wk
28 Mar
20 Jul
0 wk
23 Apr
10 Jul
4 wk after
Coriander
Coriandrum sativum
28 Mar
19 Aug
0 wk
10 Apr
9 Aug
2 wk after
Garden sage
Salvia officinalis
19 Jan – 2 Feb
10 May
8-10 wk
30 Mar
5 Jul
0 wk
Common thyme
Thymus vulgaris
17 – 31 Jan
15 May
8-10 wk
28 Mar
10 Jul
0 wk
Oregano
Origanum vulgare
31 Jan – 14 Feb
29 May
6-8 wk
28 Mar
10 Jul
0 wk
23 Apr
30 Jun
4 wk after
Parsley
Petroselinum crispum
31 Jan – 14 Feb
29 May
6-8 wk
28 Mar
10 Jul
0 wk
22 Mar
30 Jun
1 wk before
Rosemary
Salvia rosmarinus
22 Dec – 19 Jan
11 Apr
10-14 wk
30 Mar
20 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
Fleece
7 – 14 Apr
29 May
3-4 wk
5 May
19 Jun
5 wk after
Cornflower
Centaurea cyanus
28 Mar
20 Jul
0 wk
22 Mar
10 Jul
1 wk before
Statice
Limonium sinuatum
24 Feb – 10 Mar
21 Apr
8-10 wk
5 May
16 Jun
5 wk after
Sweet William
Dianthus barbatus
31 Jan – 14 Feb
6-8 wk
28 Mar
0 wk
2 Apr
1 wk after
Snow-on-the-mountain
Euphorbia marginata
10 – 24 Mar
5 May
6-8 wk
5 May
16 Jun
5 wk after
10 Jun
11 wk after
Pinnate dahlia
Dahlia × pinnata
3 – 17 Mar
6 May
6-8 wk
28 Apr
17 Jun
4 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
26 Feb – 26 Mar
20 May
4-8 wk
23 Apr
17 Jun
4 wk after
23 Apr
7 Jun
4 wk after
Foxglove
Digitalis purpurea
17 – 31 Jan
8-10 wk
28 Mar
0 wk
10 Apr
2 wk after
Busy lizzie
Impatiens walleriana
22 Feb – 22 Mar
9 Jun
8-12 wk
17 May
4 Aug
7 wk after
Creeping zinnia
Sanvitalia procumbens
10 – 24 Mar
15 May
6-8 wk
5 May
26 Jun
5 wk after
Hyacinth bean
Dolichos lablab
Greenhouse
24 Mar – 7 Apr
22 Apr
4-6 wk
5 May
20 May
5 wk after
Chinese lantern
Physalis alkekengi
19 Jan – 2 Feb
25 Apr
8-10 wk
30 Mar
20 Jun
0 wk
Love in a mist
Nigella damascena
28 Mar
5 Jul
0 wk
22 Mar
25 Jun
1 wk before
Strawflower
Xerochrysum bracteatum
10 – 24 Mar
25 Apr
6-8 wk
5 May
6 Jun
5 wk after
10 Jun
11 wk after
Purple-top vervain
Verbena bonariensis
5 Jan – 2 Feb
25 Apr
8-12 wk
30 Mar
20 Jun
0 wk
Cardoon
Cynara cardunculus
10 Feb – 10 Mar
26 Mar
8-12 wk
5 May
21 May
5 wk after
Regal-foxtail
Ptilotus nobilis
Fleece
10 Feb – 10 Mar
14 Apr
8-12 wk
5 May
9 Jun
5 wk after
Globe amaranth
Gomphrena globosa
Fleece
10 – 24 Mar
28 Apr
6-8 wk
5 May
9 Jun
5 wk after
Corn poppy
Papaver rhoeas
28 Mar
20 Jul
0 wk
22 Mar
10 Jul
1 wk before
Snapdragon
Antirrhinum majus
3 – 31 Jan
15 May
8-12 wk
28 Mar
10 Jul
0 wk
2 Apr
30 Jun
1 wk after
Flossflower
Ageratum houstonianum
8 – 22 Mar
1 May
8-10 wk
17 May
26 Jun
7 wk after
Sweet pea
Lathyrus odoratus
31 Jan – 21 Feb
5 Jun
5-8 wk
28 Mar
10 Jul
0 wk
Stock
Matthiola incana
31 Jan – 14 Feb
8 Jun
6-8 wk
28 Mar
20 Jul
0 wk
10 Apr
10 Jul
2 wk after
Wormwood
Artemisia absinthium
31 Jan – 14 Feb
9 May
6-8 wk
28 Mar
20 Jun
0 wk
10 Apr
10 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Fleece
24 Mar – 7 Apr
7 May
4-6 wk
5 May
4 Jun
5 wk after
Garden pansy
Viola × wittrockiana
17 – 31 Jan
25 May
8-10 wk
28 Mar
20 Jul
0 wk
2 Apr
10 Jul
1 wk after
Petunia
Petunia
10 Feb – 10 Mar
21 Apr
8-12 wk
5 May
16 Jun
5 wk after
Sweet Scabious
Scabiosa atropurpurea
2 – 16 Feb
9 May
6-8 wk
30 Mar
20 Jun
0 wk
8 May
10 Jun
6 wk after
Common zinnia
Zinnia elegans
24 Mar – 7 Apr
22 May
4-6 wk
5 May
19 Jun
5 wk after
Common morning glory
Ipomoea purpurea
Fleece
31 Mar – 14 Apr
29 May
3-5 wk
5 May
19 Jun
5 wk after
Garden cosmos
Cosmos bipinnatus
24 Mar – 7 Apr
20 May
4-6 wk
5 May
17 Jun
5 wk after
8 May
7 Jun
6 wk after
Scarlet milkweed
Asclepias curassavica
Fleece
22 Feb – 22 Mar
14 May
8-12 wk
17 May
9 Jul
7 wk after
Bee balm
Monarda didyma
3 – 31 Jan
25 Apr
8-12 wk
28 Mar
20 Jun
0 wk
23 Apr
10 Jun
4 wk after
Yarrow
Achillea millefolium
31 Jan – 14 Feb
9 Apr
6-8 wk
28 Mar
21 May
0 wk
10 Apr
11 May
2 wk after
Safflower
Carthamus tinctorius
28 Mar
20 Jun
0 wk
22 Mar
10 Jun
1 wk before
Iceland poppy
Papaver nudicaule
Season too short
31 Jan – 14 Feb
29 May
6-8 wk
28 Mar
10 Jul
0 wk
10 Feb
30 Jun
7 wk before
Bishop's flower
Ammi majus
14 – 28 Feb
12 Jun
4-6 wk
28 Mar
10 Jul
0 wk
10 Apr
30 Jun
2 wk after
Drumsticks
Pycnosorus globosus
22 Feb – 8 Mar
11 Mar
10-12 wk
17 May
20 May
7 wk after
Sunflower
Helianthus annuus
7 – 14 Apr
19 Jun
3-4 wk
5 May
10 Jul
5 wk after
23 Apr
30 Jun
4 wk after
China aster
Callistephus chinensis
10 – 24 Mar
8 Jun
6-8 wk
5 May
20 Jul
5 wk after
8 May
10 Jul
6 wk after
Annual phlox
Phlox drummondii
24 Feb – 10 Mar
15 May
6-8 wk
21 Apr
26 Jun
3 wk after
8 May
16 Jun
6 wk after
Hollyhock
Alcea rosea
31 Jan – 14 Feb
6-8 wk
28 Mar
0 wk
10 Apr
2 wk after
Alpine delphinium
Delphinium elatum
3 – 31 Jan
25 Apr
8-12 wk
28 Mar
20 Jun
0 wk
23 Apr
10 Jun
4 wk after
African marigold
Tagetes erecta
10 – 24 Mar
15 May
6-8 wk
5 May
26 Jun
5 wk after
Black-eyed Susan
Rudbeckia hirta
2 – 16 Feb
29 May
6-8 wk
30 Mar
10 Jul
0 wk
8 May
30 Jun
6 wk after
Wood sage
Salvia nemorosa
17 – 31 Jan
15 Apr
8-10 wk
28 Mar
10 Jun
0 wk
23 Apr
31 May
4 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
24 Feb – 24 Mar
8 May
6-10 wk
5 May
19 Jun
5 wk after
California goldenpoppy
Eschscholzia californica
28 Mar
20 Jul
0 wk
22 Mar
10 Jul
1 wk before
Painted tongue
Salpiglossis sinuata
24 Feb – 10 Mar
15 May
8-10 wk
5 May
10 Jul
5 wk after
Water forget-me-not
Myosotis scorpioides
Season too short
31 Jan – 14 Feb
9 May
6-8 wk
28 Mar
20 Jun
0 wk
15 Mar
10 Jun
2 wk before