Create your calendar
Method
Rel. frost
Last spring frost (0°C) 5 Apr Frost 9 of 10 years · 20 years of data
Frost-free season 190 days 5 Apr – 12 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)
16 – 30 Mar
19 Jun
5-7 wk
4 May
24 Jul
4 wk after
29 Mar
14 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
8 – 22 Mar
1 Jul
4-6 wk
19 Apr
29 Jul
2 wk after
29 Mar
19 Jul
1 wk before
Chili pepper
Capsicum annuum
Greenhouse
15 Feb – 15 Mar
21 Mar
8-12 wk
10 May
16 May
5 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
21 Jan – 4 Feb
14 Jun
5-7 wk
11 Mar
19 Jul
4 wk before
24 Mar
9 Jul
2 wk before
Garden cucumber
Cucumis sativus
Fleece
24 Apr – 1 May
15 May
3-4 wk
22 May
5 Jun
7 wk after
Florence Fennel
Foeniculum vulgare
25 Apr – 2 May
10 Jun
4-5 wk
30 May
8 Jul
8 wk after
11 May
28 Jun
5 wk after
Butter bean
Phaseolus lunatus
Season too short
4 – 11 May
9 May
3-4 wk
1 Jun
8 wk after
Onion
Allium cepa (Cepa-gruppen)
11 Jan – 8 Feb
4 Apr
8-12 wk
5 Apr
30 May
Vid frost
15 Apr
20 May
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
29 Mar
19 Jun
1 wk before
29 Mar
9 Jun
1 wk before
Maize
Zea mays
Fleece
12 – 19 Apr
5 May
3-4 wk
10 May
26 May
5 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
6 – 13 Apr
8 Jul
3-4 wk
4 May
29 Jul
4 wk after
15 Apr
19 Jul
1 wk after
Carrot
Daucus carota subsp. sativus var. sativus
24 Mar
29 Jun
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
21 Jan – 4 Feb
14 Jun
5-7 wk
11 Mar
19 Jul
4 wk before
24 Mar
9 Jul
2 wk before
Potato
Solanum tuberosum
27 Feb – 13 Mar
8 Jun
4-6 wk
10 Apr
6 Jul
1 wk after
10 Apr
26 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
21 Jan – 4 Feb
24 Jun
5-7 wk
11 Mar
29 Jul
4 wk before
29 Mar
19 Jul
1 wk before
Pumpkin
Cucurbita pepo
2 – 9 May
20 May
3-4 wk
30 May
10 Jun
8 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
6 – 13 Apr
20 Jun
3-4 wk
4 May
11 Jul
4 wk after
15 Apr
1 Jul
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
8 – 22 Mar
26 Jun
4-6 wk
19 Apr
24 Jul
2 wk after
Lettuce
Lactuca sativa
1 – 8 Mar
13 Jul
3-4 wk
29 Mar
3 Aug
1 wk before
29 Mar
24 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
15 Feb – 1 Mar
26 Jun
4-6 wk
29 Mar
24 Jul
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
24 Feb – 10 Mar
5 Jun
2-4 wk
24 Mar
19 Jun
2 wk before
24 Mar
9 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
29 Mar
19 Jun
1 wk before
29 Mar
9 Jun
1 wk before
Spinach
Spinacia oleracea
21 – 28 Feb
28 Jul
3-4 wk
21 Mar
18 Aug
2 wk before
18 Mar
8 Aug
3 wk before
Sweet potato
Ipomoea batatas
2 – 16 May
4-6 wk
13 Jun
10 wk after
Garden tomato
Solanum lycopersicum
Fleece
15 – 29 Mar
14 Apr
6-8 wk
10 May
26 May
5 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
24 Apr – 8 May
22 May
2-4 wk
22 May
5 Jun
7 wk after
11 May
26 May
5 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
8 – 22 Mar
26 Jun
4-6 wk
19 Apr
24 Jul
2 wk after
Garden pea
Pisum sativum
21 – 28 Feb
28 Jun
3-4 wk
21 Mar
19 Jul
2 wk before
29 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
Fleece
10 – 24 Apr
22 May
4-6 wk
22 May
19 Jun
7 wk after
Lemon balm
Melissa officinalis
25 Jan – 8 Feb
24 May
8-10 wk
5 Apr
19 Jul
Vid frost
26 Apr
9 Jul
3 wk after
Dill
Anethum graveolens
29 Mar
29 Jul
1 wk before
Wild chives
Allium schoenoprasum
14 – 28 Jan
7 Jun
6-8 wk
11 Mar
19 Jul
4 wk before
29 Mar
9 Jul
1 wk before
Spearmint
Mentha spicata
27 Dec – 24 Jan
24 May
8-12 wk
21 Mar
19 Jul
2 wk before
26 Apr
9 Jul
3 wk after
Coriander
Coriandrum sativum
15 Apr
8 Aug
1 wk after
Garden sage
Salvia officinalis
23 Feb – 9 Mar
9 May
8-10 wk
4 May
4 Jul
4 wk after
Common thyme
Thymus vulgaris
8 – 22 Feb
14 May
8-10 wk
19 Apr
9 Jul
2 wk after
Oregano
Origanum vulgare
14 – 28 Feb
28 May
6-8 wk
11 Apr
9 Jul
1 wk after
26 Apr
29 Jun
3 wk after
Parsley
Petroselinum crispum
24 Jan – 7 Feb
28 May
6-8 wk
21 Mar
9 Jul
2 wk before
29 Mar
29 Jun
1 wk before
Rosemary
Salvia rosmarinus
26 Jan – 23 Feb
10 Apr
10-14 wk
4 May
19 Jun
4 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
Fleece
24 Apr – 1 May
29 May
3-4 wk
22 May
19 Jun
7 wk after
Cornflower
Centaurea cyanus
21 Mar
19 Jul
2 wk before
29 Mar
9 Jul
1 wk before
Statice
Limonium sinuatum
13 – 27 Mar
16 Apr
8-10 wk
22 May
11 Jun
7 wk after
Sweet William
Dianthus barbatus
24 Jan – 7 Feb
6-8 wk
21 Mar
2 wk before
10 Apr
1 wk after
Snow-on-the-mountain
Euphorbia marginata
27 Mar – 10 Apr
30 Apr
6-8 wk
22 May
11 Jun
7 wk after
13 Jun
10 wk after
Pinnate dahlia
Dahlia × pinnata
21 Mar – 4 Apr
6 May
6-8 wk
16 May
17 Jun
6 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
1 – 29 Mar
20 May
4-8 wk
26 Apr
17 Jun
3 wk after
26 Apr
7 Jun
3 wk after
Foxglove
Digitalis purpurea
10 – 24 Jan
8-10 wk
21 Mar
2 wk before
15 Apr
1 wk after
Busy lizzie
Impatiens walleriana
7 Mar – 4 Apr
9 Jun
8-12 wk
30 May
4 Aug
8 wk after
Creeping zinnia
Sanvitalia procumbens
27 Mar – 10 Apr
10 May
6-8 wk
22 May
21 Jun
7 wk after
Hyacinth bean
Dolichos lablab
Greenhouse
10 – 24 Apr
22 Apr
4-6 wk
22 May
7 wk after
Chinese lantern
Physalis alkekengi
23 Feb – 9 Mar
24 Apr
8-10 wk
4 May
19 Jun
4 wk after
Love in a mist
Nigella damascena
29 Mar
24 Jun
1 wk before
Strawflower
Xerochrysum bracteatum
27 Mar – 10 Apr
20 Apr
6-8 wk
22 May
1 Jun
7 wk after
13 Jun
10 wk after
Purple-top vervain
Verbena bonariensis
9 Feb – 9 Mar
24 Apr
8-12 wk
4 May
19 Jun
4 wk after
Cardoon
Cynara cardunculus
27 Feb – 27 Mar
25 Mar
8-12 wk
22 May
7 wk after
Regal-foxtail
Ptilotus nobilis
Fleece
27 Feb – 27 Mar
14 Apr
8-12 wk
22 May
9 Jun
7 wk after
Globe amaranth
Gomphrena globosa
Fleece
27 Mar – 10 Apr
28 Apr
6-8 wk
22 May
9 Jun
7 wk after
Corn poppy
Papaver rhoeas
29 Mar
9 Jul
1 wk before
Snapdragon
Antirrhinum majus
4 Jan – 1 Feb
14 May
8-12 wk
29 Mar
9 Jul
1 wk before
10 Apr
29 Jun
1 wk after
Flossflower
Ageratum houstonianum
21 Mar – 4 Apr
26 Apr
8-10 wk
30 May
21 Jun
8 wk after
Sweet pea
Lathyrus odoratus
24 Jan – 14 Feb
4 Jun
5-8 wk
21 Mar
9 Jul
2 wk before
Stock
Matthiola incana
1 – 15 Feb
7 Jun
6-8 wk
29 Mar
19 Jul
1 wk before
15 Apr
9 Jul
1 wk after
Wormwood
Artemisia absinthium
24 Jan – 7 Feb
8 May
6-8 wk
21 Mar
19 Jun
2 wk before
15 Apr
9 Jun
1 wk after
Mexican sunflower
Tithonia rotundifolia
Fleece
10 – 24 Apr
7 May
4-6 wk
22 May
4 Jun
7 wk after
Garden pansy
Viola × wittrockiana
31 Dec – 14 Jan
24 May
8-10 wk
11 Mar
19 Jul
4 wk before
10 Apr
9 Jul
1 wk after
Petunia
Petunia
27 Feb – 27 Mar
16 Apr
8-12 wk
22 May
11 Jun
7 wk after
Sweet Scabious
Scabiosa atropurpurea
9 – 23 Mar
8 May
6-8 wk
4 May
19 Jun
4 wk after
11 May
9 Jun
5 wk after
Common zinnia
Zinnia elegans
10 – 24 Apr
22 May
4-6 wk
22 May
19 Jun
7 wk after
Common morning glory
Ipomoea purpurea
Fleece
17 Apr – 1 May
29 May
3-5 wk
22 May
19 Jun
7 wk after
Garden cosmos
Cosmos bipinnatus
10 – 24 Apr
20 May
4-6 wk
22 May
17 Jun
7 wk after
11 May
7 Jun
5 wk after
Scarlet milkweed
Asclepias curassavica
11 Mar – 8 Apr
20 Apr
8-12 wk
3 Jun
15 Jun
8 wk after
Bee balm
Monarda didyma
11 Jan – 8 Feb
24 Apr
8-12 wk
5 Apr
19 Jun
Vid frost
26 Apr
9 Jun
3 wk after
Yarrow
Achillea millefolium
24 Jan – 7 Feb
8 Apr
6-8 wk
21 Mar
20 May
2 wk before
15 Apr
10 May
1 wk after
Safflower
Carthamus tinctorius
21 Mar
19 Jun
2 wk before
29 Mar
9 Jun
1 wk before
Iceland poppy
Papaver nudicaule
14 – 28 Jan
28 May
6-8 wk
11 Mar
9 Jul
4 wk before
24 Mar
29 Jun
2 wk before
Bishop's flower
Ammi majus
4 – 18 Mar
11 Jun
4-6 wk
15 Apr
9 Jul
1 wk after
15 Apr
29 Jun
1 wk after
Drumsticks
Pycnosorus globosus
Fleece
27 Feb – 13 Mar
19 Mar
10-12 wk
22 May
28 May
7 wk after
Sunflower
Helianthus annuus
24 Apr – 1 May
18 Jun
3-4 wk
22 May
9 Jul
7 wk after
26 Apr
29 Jun
3 wk after
China aster
Callistephus chinensis
27 Mar – 10 Apr
7 Jun
6-8 wk
22 May
19 Jul
7 wk after
11 May
9 Jul
5 wk after
Annual phlox
Phlox drummondii
15 – 29 Mar
10 May
6-8 wk
10 May
21 Jun
5 wk after
11 May
11 Jun
5 wk after
Hollyhock
Alcea rosea
24 Jan – 7 Feb
6-8 wk
21 Mar
2 wk before
15 Apr
1 wk after
Alpine delphinium
Delphinium elatum
25 Jan – 22 Feb
24 Apr
8-12 wk
19 Apr
19 Jun
2 wk after
26 Apr
9 Jun
3 wk after
African marigold
Tagetes erecta
27 Mar – 10 Apr
10 May
6-8 wk
22 May
21 Jun
7 wk after
Black-eyed Susan
Rudbeckia hirta
9 – 23 Mar
28 May
6-8 wk
4 May
9 Jul
4 wk after
11 May
29 Jun
5 wk after
Wood sage
Salvia nemorosa
31 Jan – 14 Feb
14 Apr
8-10 wk
11 Apr
9 Jun
1 wk after
26 Apr
30 May
3 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
13 Mar – 10 Apr
8 May
6-10 wk
22 May
19 Jun
7 wk after
California goldenpoppy
Eschscholzia californica
29 Mar
9 Jul
1 wk before
Painted tongue
Salpiglossis sinuata
13 – 27 Mar
13 May
8-10 wk
22 May
8 Jul
7 wk after
Water forget-me-not
Myosotis scorpioides
24 Jan – 7 Feb
8 May
6-8 wk
21 Mar
19 Jun
2 wk before
15 Apr
9 Jun
1 wk after