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0.8°
Last 24h: Near frost recorded tonight at 05:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 19 Feb Frost 9 of 10 years · 20 years of data
Frost-free season 266 days 19 Feb – 12 Nov
Probability that frost is over

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