Create your calendar
Method
Rel. frost
Last spring frost (0°C) 7 Apr Frost 9 of 10 years · 20 years of data
Frost-free season 187 days 7 Apr – 11 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)
18 Mar – 1 Apr
18 Jun
5-7 wk
6 May
23 Jul
4 wk after
31 Mar
13 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
10 – 24 Mar
30 Jun
4-6 wk
21 Apr
28 Jul
2 wk after
31 Mar
18 Jul
1 wk before
Chili pepper
Capsicum annuum
Season too short
17 Feb – 17 Mar
8-12 wk
12 May
5 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
23 Jan – 6 Feb
13 Jun
5-7 wk
13 Mar
18 Jul
4 wk before
26 Mar
8 Jul
2 wk before
Garden cucumber
Cucumis sativus
Greenhouse
14 – 21 Apr
27 May
3-4 wk
12 May
17 Jun
5 wk after
Florence Fennel
Foeniculum vulgare
27 Apr – 4 May
10 Jun
4-5 wk
1 Jun
8 Jul
8 wk after
13 May
28 Jun
5 wk after
Butter bean
Phaseolus lunatus
Season too short
6 – 13 May
3-4 wk
3 Jun
8 wk after
Onion
Allium cepa (Cepa-gruppen)
13 Jan – 10 Feb
3 Apr
8-12 wk
7 Apr
29 May
Vid frost
17 Apr
19 May
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
31 Mar
18 Jun
1 wk before
31 Mar
8 Jun
1 wk before
Maize
Zea mays
Greenhouse
1 – 8 Apr
17 May
3-4 wk
29 Apr
7 Jun
3 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
8 – 15 Apr
7 Jul
3-4 wk
6 May
28 Jul
4 wk after
17 Apr
18 Jul
1 wk after
Carrot
Daucus carota subsp. sativus var. sativus
26 Mar
28 Jun
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
23 Jan – 6 Feb
13 Jun
5-7 wk
13 Mar
18 Jul
4 wk before
26 Mar
8 Jul
2 wk before
Potato
Solanum tuberosum
1 – 15 Mar
8 Jun
4-6 wk
12 Apr
6 Jul
1 wk after
12 Apr
26 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
23 Jan – 6 Feb
23 Jun
5-7 wk
13 Mar
28 Jul
4 wk before
31 Mar
18 Jul
1 wk before
Pumpkin
Cucurbita pepo
Fleece
26 Apr – 3 May
1 Jun
3-4 wk
24 May
22 Jun
7 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
8 – 15 Apr
15 Jun
3-4 wk
6 May
6 Jul
4 wk after
17 Apr
26 Jun
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
10 – 24 Mar
25 Jun
4-6 wk
21 Apr
23 Jul
2 wk after
Lettuce
Lactuca sativa
3 – 10 Mar
12 Jul
3-4 wk
31 Mar
2 Aug
1 wk before
31 Mar
23 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
17 Feb – 3 Mar
25 Jun
4-6 wk
31 Mar
23 Jul
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
26 Feb – 12 Mar
4 Jun
2-4 wk
26 Mar
18 Jun
2 wk before
26 Mar
8 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
31 Mar
18 Jun
1 wk before
31 Mar
8 Jun
1 wk before
Spinach
Spinacia oleracea
23 Feb – 2 Mar
27 Jul
3-4 wk
23 Mar
17 Aug
2 wk before
20 Mar
7 Aug
3 wk before
Sweet potato
Ipomoea batatas
4 – 18 May
4-6 wk
15 Jun
10 wk after
Garden tomato
Solanum lycopersicum
Greenhouse
4 – 18 Mar
26 Apr
6-8 wk
29 Apr
7 Jun
3 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Fleece
14 – 28 Apr
3 Jun
2-4 wk
12 May
17 Jun
5 wk after
28 Apr
7 Jun
3 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
10 – 24 Mar
25 Jun
4-6 wk
21 Apr
23 Jul
2 wk after
Garden pea
Pisum sativum
23 Feb – 2 Mar
27 Jun
3-4 wk
23 Mar
18 Jul
2 wk before
31 Mar
8 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
12 – 26 Apr
10 May
4-6 wk
24 May
7 Jun
7 wk after
Lemon balm
Melissa officinalis
27 Jan – 10 Feb
23 May
8-10 wk
7 Apr
18 Jul
Vid frost
28 Apr
8 Jul
3 wk after
Dill
Anethum graveolens
31 Mar
28 Jul
1 wk before
Wild chives
Allium schoenoprasum
16 – 30 Jan
6 Jun
6-8 wk
13 Mar
18 Jul
4 wk before
31 Mar
8 Jul
1 wk before
Spearmint
Mentha spicata
29 Dec – 26 Jan
23 May
8-12 wk
23 Mar
18 Jul
2 wk before
28 Apr
8 Jul
3 wk after
Coriander
Coriandrum sativum
17 Apr
7 Aug
1 wk after
Garden sage
Salvia officinalis
25 Feb – 11 Mar
8 May
8-10 wk
6 May
3 Jul
4 wk after
Common thyme
Thymus vulgaris
10 – 24 Feb
13 May
8-10 wk
21 Apr
8 Jul
2 wk after
Oregano
Origanum vulgare
16 Feb – 2 Mar
27 May
6-8 wk
13 Apr
8 Jul
1 wk after
28 Apr
28 Jun
3 wk after
Parsley
Petroselinum crispum
26 Jan – 9 Feb
27 May
6-8 wk
23 Mar
8 Jul
2 wk before
31 Mar
28 Jun
1 wk before
Rosemary
Salvia rosmarinus
28 Jan – 25 Feb
9 Apr
10-14 wk
6 May
18 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
26 Apr – 3 May
17 May
3-4 wk
24 May
7 Jun
7 wk after
Cornflower
Centaurea cyanus
23 Mar
18 Jul
2 wk before
31 Mar
8 Jul
1 wk before
Statice
Limonium sinuatum
15 – 29 Mar
3 Apr
8-10 wk
24 May
29 May
7 wk after
Sweet William
Dianthus barbatus
26 Jan – 9 Feb
6-8 wk
23 Mar
2 wk before
12 Apr
1 wk after
Snow-on-the-mountain
Euphorbia marginata
29 Mar – 12 Apr
17 Apr
6-8 wk
24 May
29 May
7 wk after
15 Jun
10 wk after
Pinnate dahlia
Dahlia × pinnata
23 Mar – 6 Apr
6 May
6-8 wk
18 May
17 Jun
6 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
3 – 31 Mar
20 May
4-8 wk
28 Apr
17 Jun
3 wk after
28 Apr
7 Jun
3 wk after
Foxglove
Digitalis purpurea
12 – 26 Jan
8-10 wk
23 Mar
2 wk before
17 Apr
1 wk after
Busy lizzie
Impatiens walleriana
9 Mar – 6 Apr
28 May
8-12 wk
1 Jun
23 Jul
8 wk after
Creeping zinnia
Sanvitalia procumbens
29 Mar – 12 Apr
27 Apr
6-8 wk
24 May
8 Jun
7 wk after
Hyacinth bean
Dolichos lablab
Season too short
12 – 26 Apr
4-6 wk
24 May
7 wk after
Chinese lantern
Physalis alkekengi
25 Feb – 11 Mar
23 Apr
8-10 wk
6 May
18 Jun
4 wk after
Love in a mist
Nigella damascena
31 Mar
23 Jun
1 wk before
Strawflower
Xerochrysum bracteatum
29 Mar – 12 Apr
7 Apr
6-8 wk
24 May
7 wk after
15 Jun
10 wk after
Purple-top vervain
Verbena bonariensis
11 Feb – 11 Mar
23 Apr
8-12 wk
6 May
18 Jun
4 wk after
Cardoon
Cynara cardunculus
1 – 29 Mar
24 Mar
8-12 wk
24 May
7 wk after
Regal-foxtail
Ptilotus nobilis
Fleece
1 – 29 Mar
2 Apr
8-12 wk
24 May
28 May
7 wk after
Globe amaranth
Gomphrena globosa
Fleece
29 Mar – 12 Apr
16 Apr
6-8 wk
24 May
28 May
7 wk after
Corn poppy
Papaver rhoeas
31 Mar
8 Jul
1 wk before
Snapdragon
Antirrhinum majus
6 Jan – 3 Feb
13 May
8-12 wk
31 Mar
8 Jul
1 wk before
12 Apr
28 Jun
1 wk after
Flossflower
Ageratum houstonianum
23 Mar – 6 Apr
13 Apr
8-10 wk
1 Jun
8 Jun
8 wk after
Sweet pea
Lathyrus odoratus
26 Jan – 16 Feb
3 Jun
5-8 wk
23 Mar
8 Jul
2 wk before
Stock
Matthiola incana
3 – 17 Feb
6 Jun
6-8 wk
31 Mar
18 Jul
1 wk before
17 Apr
8 Jul
1 wk after
Wormwood
Artemisia absinthium
26 Jan – 9 Feb
7 May
6-8 wk
23 Mar
18 Jun
2 wk before
17 Apr
8 Jun
1 wk after
Mexican sunflower
Tithonia rotundifolia
Fleece
12 – 26 Apr
25 Apr
4-6 wk
24 May
7 wk after
Garden pansy
Viola × wittrockiana
2 – 16 Jan
23 May
8-10 wk
13 Mar
18 Jul
4 wk before
12 Apr
8 Jul
1 wk after
Petunia
Petunia
1 – 29 Mar
3 Apr
8-12 wk
24 May
29 May
7 wk after
Sweet Scabious
Scabiosa atropurpurea
11 – 25 Mar
7 May
6-8 wk
6 May
18 Jun
4 wk after
13 May
8 Jun
5 wk after
Common zinnia
Zinnia elegans
12 – 26 Apr
10 May
4-6 wk
24 May
7 Jun
7 wk after
Common morning glory
Ipomoea purpurea
Fleece
19 Apr – 3 May
17 May
3-5 wk
24 May
7 Jun
7 wk after
Garden cosmos
Cosmos bipinnatus
12 – 26 Apr
20 May
4-6 wk
24 May
17 Jun
7 wk after
13 May
7 Jun
5 wk after
Scarlet milkweed
Asclepias curassavica
Fleece
9 Mar – 6 Apr
2 May
8-12 wk
1 Jun
27 Jun
8 wk after
Bee balm
Monarda didyma
13 Jan – 10 Feb
23 Apr
8-12 wk
7 Apr
18 Jun
Vid frost
28 Apr
8 Jun
3 wk after
Yarrow
Achillea millefolium
26 Jan – 9 Feb
7 Apr
6-8 wk
23 Mar
19 May
2 wk before
17 Apr
9 May
1 wk after
Safflower
Carthamus tinctorius
23 Mar
18 Jun
2 wk before
31 Mar
8 Jun
1 wk before
Iceland poppy
Papaver nudicaule
16 – 30 Jan
27 May
6-8 wk
13 Mar
8 Jul
4 wk before
26 Mar
28 Jun
2 wk before
Bishop's flower
Ammi majus
6 – 20 Mar
10 Jun
4-6 wk
17 Apr
8 Jul
1 wk after
17 Apr
28 Jun
1 wk after
Drumsticks
Pycnosorus globosus
Fleece
1 – 15 Mar
19 Mar
10-12 wk
24 May
28 May
7 wk after
Sunflower
Helianthus annuus
26 Apr – 3 May
17 Jun
3-4 wk
24 May
8 Jul
7 wk after
28 Apr
28 Jun
3 wk after
China aster
Callistephus chinensis
29 Mar – 12 Apr
6 Jun
6-8 wk
24 May
18 Jul
7 wk after
13 May
8 Jul
5 wk after
Annual phlox
Phlox drummondii
17 – 31 Mar
27 Apr
6-8 wk
12 May
8 Jun
5 wk after
13 May
29 May
5 wk after
Hollyhock
Alcea rosea
26 Jan – 9 Feb
6-8 wk
23 Mar
2 wk before
17 Apr
1 wk after
Alpine delphinium
Delphinium elatum
27 Jan – 24 Feb
23 Apr
8-12 wk
21 Apr
18 Jun
2 wk after
28 Apr
8 Jun
3 wk after
African marigold
Tagetes erecta
29 Mar – 12 Apr
27 Apr
6-8 wk
24 May
8 Jun
7 wk after
Black-eyed Susan
Rudbeckia hirta
11 – 25 Mar
27 May
6-8 wk
6 May
8 Jul
4 wk after
13 May
28 Jun
5 wk after
Wood sage
Salvia nemorosa
2 – 16 Feb
13 Apr
8-10 wk
13 Apr
8 Jun
1 wk after
28 Apr
29 May
3 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
15 Mar – 12 Apr
26 Apr
6-10 wk
24 May
7 Jun
7 wk after
California goldenpoppy
Eschscholzia californica
31 Mar
8 Jul
1 wk before
Painted tongue
Salpiglossis sinuata
15 – 29 Mar
13 May
8-10 wk
24 May
8 Jul
7 wk after
Water forget-me-not
Myosotis scorpioides
26 Jan – 9 Feb
7 May
6-8 wk
23 Mar
18 Jun
2 wk before
17 Apr
8 Jun
1 wk after