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0.2°
Last 24h: Near frost recorded this morning at 06:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 19 Apr Frost 1 of 10 years · 20 years of data
Frost-free season 232 days 19 Apr – 7 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)
31 Mar – 14 Apr
5-7 wk
19 May
5 wk after
15 Apr
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
25 Mar – 8 Apr
4-6 wk
6 May
3 wk after
15 Apr
1 wk before
Chili pepper
Capsicum annuum
22 Mar – 19 Apr
8-12 wk
14 Jun
10 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
5 – 19 Feb
5-7 wk
26 Mar
4 wk before
11 Apr
2 wk before
Cucumber
Cucumis sativus
17 – 24 May
3-4 wk
14 Jun
10 wk after
Florence Fennel
Foeniculum vulgare
10 – 17 May
4-5 wk
14 Jun
10 wk after
30 May
6 wk after
Butter bean
Phaseolus lunatus
Season too short
2 – 9 May
3-4 wk
30 May
6 wk after
Onion
Allium cepa (Cepa-gruppen)
25 Jan – 22 Feb
8-12 wk
19 Apr
Vid frost
2 May
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
Season too short
6 Apr
2 wk before
Sweetcorn
Zea mays
Season too short
24 Apr – 1 May
3-4 wk
22 May
5 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
21 – 28 Apr
3-4 wk
19 May
5 wk after
2 May
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
11 Apr
2 wk before
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
5 – 19 Feb
5-7 wk
26 Mar
4 wk before
11 Apr
2 wk before
Potato
Solanum tuberosum
Season too short
16 Feb – 2 Mar
4-6 wk
30 Mar
3 wk before
30 Mar
3 wk before
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
5 – 19 Feb
5-7 wk
26 Mar
4 wk before
15 Apr
1 wk before
Pumpkin
Cucurbita pepo
17 – 24 May
3-4 wk
14 Jun
10 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
21 – 28 Apr
3-4 wk
19 May
5 wk after
2 May
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
25 Mar – 8 Apr
4-6 wk
6 May
3 wk after
Lettuce
Lactuca sativa
15 – 22 Mar
3-4 wk
12 Apr
1 wk before
15 Apr
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
1 – 15 Mar
4-6 wk
12 Apr
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
Season too short
4 – 18 Feb
2-4 wk
4 Mar
7 wk before
4 Mar
7 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
Season too short
16 Mar
5 wk before
Spinach
Spinacia oleracea
7 – 14 Mar
3-4 wk
4 Apr
3 wk before
6 Apr
3 wk before
Sweet potato
Ipomoea batatas
7 – 21 May
4-6 wk
18 Jun
11 wk after
Tomato
Solanum lycopersicum
11 – 25 Apr
6-8 wk
6 Jun
8 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
9 – 23 May
2-4 wk
6 Jun
8 wk after
30 May
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
25 Mar – 8 Apr
4-6 wk
6 May
3 wk after
Pea
Pisum sativum
7 – 14 Mar
3-4 wk
4 Apr
3 wk before
15 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
10 – 24 Apr
4-6 wk
22 May
5 wk after
Lemon balm
Melissa officinalis
8 – 22 Feb
8-10 wk
19 Apr
Vid frost
14 May
4 wk after
Dill
Anethum graveolens
15 Apr
1 wk before
Chives
Allium schoenoprasum
29 Jan – 12 Feb
6-8 wk
26 Mar
4 wk before
15 Apr
1 wk before
Spearmint
Mentha spicata
10 Jan – 7 Feb
8-12 wk
4 Apr
3 wk before
14 May
4 wk after
Coriander
Coriandrum sativum
2 May
2 wk after
Sage
Salvia officinalis
10 – 24 Mar
8-10 wk
19 May
5 wk after
Thyme
Thymus vulgaris
25 Feb – 11 Mar
8-10 wk
6 May
3 wk after
Oregano
Origanum vulgare
28 Feb – 14 Mar
6-8 wk
25 Apr
1 wk after
14 May
4 wk after
Parsley
Petroselinum crispum
7 – 21 Feb
6-8 wk
4 Apr
3 wk before
15 Apr
1 wk before
Rosemary
Salvia rosmarinus
10 Feb – 10 Mar
10-14 wk
19 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
28 May – 4 Jun
3-4 wk
25 Jun
10 wk after
Cornflower
Centaurea cyanus
4 Apr
3 wk before
15 Apr
1 wk before
Statice
Limonium sinuatum
28 Mar – 11 Apr
8-10 wk
6 Jun
8 wk after
Sweet William
Dianthus barbatus
7 – 21 Feb
6-8 wk
4 Apr
3 wk before
27 Apr
1 wk after
Snow-on-the-mountain
Euphorbia marginata
11 – 25 Apr
6-8 wk
6 Jun
8 wk after
29 Jun
11 wk after
Dahlia
Dahlia × pinnata
6 – 20 Apr
6-8 wk
1 Jun
7 wk after
Dahlia (tubers)
Dahlia × pinnata
Season too short
21 Feb – 21 Mar
4-8 wk
18 Apr
18 Apr
Foxglove
Digitalis purpurea
24 Jan – 7 Feb
8-10 wk
4 Apr
3 wk before
2 May
2 wk after
Busy lizzie
Impatiens walleriana
22 Mar – 19 Apr
8-12 wk
14 Jun
10 wk after
Creeping zinnia
Sanvitalia procumbens
11 – 25 Apr
6-8 wk
6 Jun
8 wk after
Hyacinth bean
Dolichos lablab
Greenhouse
3 – 17 May
4-6 wk
14 Jun
8 wk after
Chinese lantern
Physalis alkekengi
10 – 24 Mar
8-10 wk
19 May
5 wk after
Love in a mist
Nigella damascena
15 Apr
1 wk before
Strawflower
Xerochrysum bracteatum
11 – 25 Apr
6-8 wk
6 Jun
8 wk after
29 Jun
11 wk after
Tall verbena
Verbena bonariensis
24 Feb – 24 Mar
8-12 wk
19 May
5 wk after
Cardoon
Cynara cardunculus
Fleece
7 Mar – 4 Apr
8-12 wk
30 May
6 wk after
Regal-foxtail
Ptilotus nobilis
Fleece
22 Mar – 19 Apr
8-12 wk
14 Jun
8 wk after
Globe amaranth
Gomphrena globosa
19 Apr – 3 May
6-8 wk
14 Jun
10 wk after
Corn poppy
Papaver rhoeas
15 Apr
1 wk before
Snapdragon
Antirrhinum majus
18 Jan – 15 Feb
8-12 wk
12 Apr
1 wk before
27 Apr
1 wk after
Flossflower
Ageratum houstonianum
5 – 19 Apr
8-10 wk
14 Jun
10 wk after
Sweet pea
Lathyrus odoratus
7 – 28 Feb
5-8 wk
4 Apr
3 wk before
Stock
Matthiola incana
15 Feb – 1 Mar
6-8 wk
12 Apr
1 wk before
2 May
2 wk after
Wormwood
Artemisia absinthium
7 – 21 Feb
6-8 wk
4 Apr
3 wk before
2 May
2 wk after
Mexican sunflower
Tithonia rotundifolia
3 – 17 May
4-6 wk
14 Jun
10 wk after
Pansy
Viola × wittrockiana
15 – 29 Jan
8-10 wk
26 Mar
4 wk before
27 Apr
1 wk after
Petunia
Petunia
14 Mar – 11 Apr
8-12 wk
6 Jun
8 wk after
Scabious
Scabiosa atropurpurea
24 Mar – 7 Apr
6-8 wk
19 May
5 wk after
30 May
6 wk after
Zinnia
Zinnia elegans
25 Apr – 9 May
4-6 wk
6 Jun
8 wk after
Common morning glory
Ipomoea purpurea
10 – 24 May
3-5 wk
14 Jun
10 wk after
Cosmos
Cosmos bipinnatus
25 Apr – 9 May
4-6 wk
6 Jun
8 wk after
30 May
6 wk after
Scarlet milkweed
Asclepias curassavica
Fleece
2 – 30 Apr
8-12 wk
25 Jun
10 wk after
Bee balm
Monarda didyma
25 Jan – 22 Feb
8-12 wk
19 Apr
Vid frost
14 May
4 wk after
Yarrow
Achillea millefolium
7 – 21 Feb
6-8 wk
4 Apr
3 wk before
2 May
2 wk after
Safflower
Carthamus tinctorius
4 Apr
3 wk before
15 Apr
1 wk before
Iceland poppy
Papaver nudicaule
29 Jan – 12 Feb
6-8 wk
26 Mar
4 wk before
11 Apr
2 wk before
Bishop's flower
Ammi majus
19 Mar – 2 Apr
4-6 wk
30 Apr
2 wk after
2 May
2 wk after
Drumsticks
Pycnosorus globosus
Fleece
22 Mar – 5 Apr
10-12 wk
14 Jun
8 wk after
Sunflower
Helianthus annuus
9 – 16 May
3-4 wk
6 Jun
8 wk after
14 May
4 wk after
China aster
Callistephus chinensis
11 – 25 Apr
6-8 wk
6 Jun
8 wk after
30 May
6 wk after
Annual phlox
Phlox drummondii
30 Mar – 13 Apr
6-8 wk
25 May
6 wk after
30 May
6 wk after
Hollyhock
Alcea rosea
7 – 21 Feb
6-8 wk
4 Apr
3 wk before
2 May
2 wk after
Delphinium
Delphinium elatum
11 Feb – 11 Mar
8-12 wk
6 May
3 wk after
14 May
4 wk after
African marigold
Tagetes erecta
11 – 25 Apr
6-8 wk
6 Jun
8 wk after
Black-eyed Susan
Rudbeckia hirta
24 Mar – 7 Apr
6-8 wk
19 May
5 wk after
30 May
6 wk after
Woodland sage
Salvia nemorosa
14 – 28 Feb
8-10 wk
25 Apr
1 wk after
14 May
4 wk after
Black-eyed susan vine
Thunbergia alata
5 Apr – 3 May
6-10 wk
14 Jun
10 wk after
California goldenpoppy
Eschscholzia californica
15 Apr
1 wk before
Painted tongue
Salpiglossis sinuata
28 Mar – 11 Apr
8-10 wk
6 Jun
8 wk after
Water forget-me-not
Myosotis scorpioides
7 – 21 Feb
6-8 wk
4 Apr
3 wk before
2 May
2 wk after
Current date Soon Date passed