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No frost in sight Last frost normally in 7 days (15 Apr), but frost-free in the forecast.
Method
Rel. frost
Last spring frost (0°C) 15 Apr Frost 1 of 10 years · 20 years of data
Frost-free season 230 days 15 Apr – 1 Dec
Probability that frost is over

90% = Half of years are frost-free by this date. More about frost & season →

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Vegetables

Plant Sow indoors Transplant Direct sow
Date Growing timeGrow. time Date Rel. frost Date Rel. frost
Cauliflower
Brassica oleracea (Botrytis-gruppen)
27 Mar – 10 Apr
5-7 wk
15 May
5 wk after
11 Apr
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
21 Mar – 4 Apr
4-6 wk
2 May
3 wk after
11 Apr
1 wk before
Chili pepper
Capsicum annuum
18 Mar – 15 Apr
8-12 wk
10 Jun
10 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
1 – 15 Feb
5-7 wk
22 Mar
4 wk before
7 Apr
2 wk before
Cucumber
Cucumis sativus
13 – 20 May
3-4 wk
10 Jun
10 wk after
Florence Fennel
Foeniculum vulgare
6 – 13 May
4-5 wk
10 Jun
10 wk after
26 May
6 wk after
Butter bean
Phaseolus lunatus
Season too short
28 Apr – 5 May
3-4 wk
26 May
6 wk after
Onion
Allium cepa (Cepa-gruppen)
21 Jan – 18 Feb
8-12 wk
15 Apr
Vid frost
28 Apr
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
Season too short
2 Apr
2 wk before
Sweetcorn
Zea mays
Season too short
20 – 27 Apr
3-4 wk
18 May
5 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
17 – 24 Apr
3-4 wk
15 May
5 wk after
28 Apr
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
7 Apr
2 wk before
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
1 – 15 Feb
5-7 wk
22 Mar
4 wk before
7 Apr
2 wk before
Potato
Solanum tuberosum
Season too short
12 – 26 Feb
4-6 wk
26 Mar
3 wk before
26 Mar
3 wk before
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
1 – 15 Feb
5-7 wk
22 Mar
4 wk before
11 Apr
1 wk before
Pumpkin
Cucurbita pepo
13 – 20 May
3-4 wk
10 Jun
10 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
17 – 24 Apr
3-4 wk
15 May
5 wk after
28 Apr
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
21 Mar – 4 Apr
4-6 wk
2 May
3 wk after
Lettuce
Lactuca sativa
11 – 18 Mar
3-4 wk
8 Apr
1 wk before
11 Apr
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
25 Feb – 11 Mar
4-6 wk
8 Apr
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
Season too short
31 Jan – 14 Feb
2-4 wk
28 Feb
7 wk before
28 Feb
7 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
Season too short
12 Mar
5 wk before
Spinach
Spinacia oleracea
3 – 10 Mar
3-4 wk
31 Mar
3 wk before
2 Apr
3 wk before
Sweet potato
Ipomoea batatas
3 – 17 May
4-6 wk
14 Jun
11 wk after
Tomato
Solanum lycopersicum
7 – 21 Apr
6-8 wk
2 Jun
8 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
5 – 19 May
2-4 wk
2 Jun
8 wk after
26 May
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
21 Mar – 4 Apr
4-6 wk
2 May
3 wk after
Pea
Pisum sativum
3 – 10 Mar
3-4 wk
31 Mar
3 wk before
11 Apr
1 wk before
Current date Soon Date passed

Herbs

Plant Sow indoors Transplant Direct sow
Date Growing timeGrow. time Date Rel. frost Date Rel. frost
Basil
Ocimum basilicum
Season too short
6 – 20 Apr
4-6 wk
18 May
5 wk after
Lemon balm
Melissa officinalis
4 – 18 Feb
8-10 wk
15 Apr
Vid frost
10 May
4 wk after
Dill
Anethum graveolens
11 Apr
1 wk before
Chives
Allium schoenoprasum
25 Jan – 8 Feb
6-8 wk
22 Mar
4 wk before
11 Apr
1 wk before
Spearmint
Mentha spicata
6 Jan – 3 Feb
8-12 wk
31 Mar
3 wk before
10 May
4 wk after
Coriander
Coriandrum sativum
28 Apr
2 wk after
Sage
Salvia officinalis
6 – 20 Mar
8-10 wk
15 May
5 wk after
Thyme
Thymus vulgaris
21 Feb – 7 Mar
8-10 wk
2 May
3 wk after
Oregano
Origanum vulgare
24 Feb – 10 Mar
6-8 wk
21 Apr
1 wk after
10 May
4 wk after
Parsley
Petroselinum crispum
3 – 17 Feb
6-8 wk
31 Mar
3 wk before
11 Apr
1 wk before
Rosemary
Salvia rosmarinus
6 Feb – 6 Mar
10-14 wk
15 May
5 wk after
Current date Soon Date passed

Annual flowers

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