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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) 6 Apr Frost 9 of 10 years · 20 years of data
Frost-free season 181 days 6 Apr – 4 Oct
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)
Fleece
8 – 22 Mar
5-7 wk
26 Apr
3 wk after
17 Mar
3 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
12 – 26 Mar
4-6 wk
23 Apr
3 wk after
2 Apr
1 wk before
Chili pepper
Capsicum annuum
Greenhouse
22 Feb – 22 Mar
8-12 wk
17 May
6 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
23 Jan – 6 Feb
5-7 wk
13 Mar
4 wk before
29 Mar
2 wk before
Cucumber
Cucumis sativus
Fleece
4 – 11 May
3-4 wk
1 Jun
8 wk after
Florence Fennel
Foeniculum vulgare
Greenhouse
12 – 19 Apr
4-5 wk
17 May
6 wk after
19 Apr
2 wk after
Butter bean
Phaseolus lunatus
Greenhouse
19 – 26 Apr
3-4 wk
17 May
6 wk after
Onion
Allium cepa (Cepa-gruppen)
12 Jan – 9 Feb
8-12 wk
6 Apr
Vid frost
19 Apr
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
19 Apr
2 wk after
Sweetcorn
Zea mays
Fleece
24 Apr – 1 May
3-4 wk
22 May
7 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
8 – 15 Apr
3-4 wk
6 May
5 wk after
19 Apr
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
29 Mar
2 wk before
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
23 Jan – 6 Feb
5-7 wk
13 Mar
4 wk before
29 Mar
2 wk before
Potato
Solanum tuberosum
12 – 26 Apr
4-6 wk
24 May
8 wk after
14 Apr
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
23 Jan – 6 Feb
5-7 wk
13 Mar
4 wk before
2 Apr
1 wk before
Pumpkin
Cucurbita pepo
Fleece
4 – 11 May
3-4 wk
1 Jun
8 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
8 – 15 Apr
3-4 wk
6 May
5 wk after
19 Apr
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
12 – 26 Mar
4-6 wk
23 Apr
3 wk after
Lettuce
Lactuca sativa
2 – 9 Mar
3-4 wk
30 Mar
1 wk before
2 Apr
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
16 Feb – 2 Mar
4-6 wk
30 Mar
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
22 Feb – 8 Mar
2-4 wk
22 Mar
3 wk before
29 Mar
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
2 Apr
1 wk before
Spinach
Spinacia oleracea
22 Feb – 1 Mar
3-4 wk
22 Mar
3 wk before
24 Mar
3 wk before
Sweet potato
Ipomoea batatas
24 Apr – 8 May
4-6 wk
5 Jun
11 wk after
Tomato
Solanum lycopersicum
29 Mar – 12 Apr
6-8 wk
24 May
8 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
26 Apr – 10 May
2-4 wk
24 May
8 wk after
17 May
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
12 – 26 Mar
4-6 wk
23 Apr
3 wk after
Pea
Pisum sativum
22 Feb – 1 Mar
3-4 wk
22 Mar
3 wk before
2 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
Fleece
10 – 24 Apr
4-6 wk
22 May
7 wk after
Lemon balm
Melissa officinalis
26 Jan – 9 Feb
8-10 wk
6 Apr
Vid frost
1 May
4 wk after
Dill
Anethum graveolens
2 Apr
1 wk before
Chives
Allium schoenoprasum
16 – 30 Jan
6-8 wk
13 Mar
4 wk before
2 Apr
1 wk before
Spearmint
Mentha spicata
28 Dec – 25 Jan
8-12 wk
22 Mar
3 wk before
1 May
4 wk after
Coriander
Coriandrum sativum
19 Apr
2 wk after
Sage
Salvia officinalis
25 Feb – 11 Mar
8-10 wk
6 May
5 wk after
Thyme
Thymus vulgaris
12 – 26 Feb
8-10 wk
23 Apr
3 wk after
Oregano
Origanum vulgare
15 Feb – 1 Mar
6-8 wk
12 Apr
1 wk after
1 May
4 wk after
Parsley
Petroselinum crispum
25 Jan – 8 Feb
6-8 wk
22 Mar
3 wk before
2 Apr
1 wk before
Rosemary
Salvia rosmarinus
28 Jan – 25 Feb
10-14 wk
6 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
Greenhouse
4 – 11 May
3-4 wk
1 Jun
8 wk after
Cornflower
Centaurea cyanus
22 Mar
3 wk before
2 Apr
1 wk before
Statice
Limonium sinuatum
Fleece
8 – 22 Mar
8-10 wk
17 May
6 wk after
Sweet William
Dianthus barbatus
25 Jan – 8 Feb
6-8 wk
22 Mar
3 wk before
14 Apr
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Fleece
22 Mar – 5 Apr
6-8 wk
17 May
6 wk after
22 May
7 wk after
Dahlia
Dahlia × pinnata
24 Mar – 7 Apr
6-8 wk
19 May
7 wk after
Dahlia (tubers)
Dahlia × pinnata
24 Mar – 21 Apr
4-8 wk
19 May
7 wk after
1 May
4 wk after
Foxglove
Digitalis purpurea
11 – 25 Jan
8-10 wk
22 Mar
3 wk before
19 Apr
2 wk after
Busy lizzie
Impatiens walleriana
9 Mar – 6 Apr
8-12 wk
1 Jun
10 wk after
Creeping zinnia
Sanvitalia procumbens
29 Mar – 12 Apr
6-8 wk
24 May
8 wk after
Hyacinth bean
Dolichos lablab
Season too short
20 Apr – 4 May
4-6 wk
1 Jun
8 wk after
Chinese lantern
Physalis alkekengi
25 Feb – 11 Mar
8-10 wk
6 May
5 wk after
Love in a mist
Nigella damascena
2 Apr
1 wk before
Strawflower
Xerochrysum bracteatum
Fleece
22 Mar – 5 Apr
6-8 wk
17 May
6 wk after
22 May
7 wk after
Tall verbena
Verbena bonariensis
11 Feb – 11 Mar
8-12 wk
6 May
5 wk after
Cardoon
Cynara cardunculus
Season too short
7 Feb – 7 Mar
8-12 wk
2 May
4 wk after
Regal-foxtail
Ptilotus nobilis
Greenhouse
22 Feb – 22 Mar
8-12 wk
17 May
6 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
22 Mar – 5 Apr
6-8 wk
17 May
6 wk after
Corn poppy
Papaver rhoeas
2 Apr
1 wk before
Snapdragon
Antirrhinum majus
5 Jan – 2 Feb
8-12 wk
30 Mar
1 wk before
14 Apr
1 wk after
Flossflower
Ageratum houstonianum
Fleece
23 Mar – 6 Apr
8-10 wk
1 Jun
8 wk after
Sweet pea
Lathyrus odoratus
25 Jan – 15 Feb
5-8 wk
22 Mar
3 wk before
Stock
Matthiola incana
2 – 16 Feb
6-8 wk
30 Mar
1 wk before
19 Apr
2 wk after
Wormwood
Artemisia absinthium
25 Jan – 8 Feb
6-8 wk
22 Mar
3 wk before
19 Apr
2 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
5 – 19 Apr
4-6 wk
17 May
6 wk after
Pansy
Viola × wittrockiana
2 – 16 Jan
8-10 wk
13 Mar
4 wk before
14 Apr
1 wk after
Petunia
Petunia
Fleece
22 Feb – 22 Mar
8-12 wk
17 May
6 wk after
Scabious
Scabiosa atropurpurea
11 – 25 Mar
6-8 wk
6 May
5 wk after
17 May
6 wk after
Zinnia
Zinnia elegans
12 – 26 Apr
4-6 wk
24 May
8 wk after
Common morning glory
Ipomoea purpurea
Fleece
27 Apr – 11 May
3-5 wk
1 Jun
8 wk after
Cosmos
Cosmos bipinnatus
Fleece
5 – 19 Apr
4-6 wk
17 May
6 wk after
2 May
4 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
9 Mar – 6 Apr
8-12 wk
1 Jun
8 wk after
Bee balm
Monarda didyma
12 Jan – 9 Feb
8-12 wk
6 Apr
Vid frost
1 May
4 wk after
Yarrow
Achillea millefolium
25 Jan – 8 Feb
6-8 wk
22 Mar
3 wk before
19 Apr
2 wk after
Safflower
Carthamus tinctorius
22 Mar
3 wk before
2 Apr
1 wk before
Iceland poppy
Papaver nudicaule
16 – 30 Jan
6-8 wk
13 Mar
4 wk before
29 Mar
2 wk before
Bishop's flower
Ammi majus
6 – 20 Mar
4-6 wk
17 Apr
2 wk after
19 Apr
2 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
22 Feb – 8 Mar
10-12 wk
17 May
6 wk after
Sunflower
Helianthus annuus
Fleece
19 – 26 Apr
3-4 wk
17 May
6 wk after
19 Apr
2 wk after
China aster
Callistephus chinensis
Fleece
22 Mar – 5 Apr
6-8 wk
17 May
6 wk after
2 May
4 wk after
Annual phlox
Phlox drummondii
17 – 31 Mar
6-8 wk
12 May
6 wk after
17 May
6 wk after
Hollyhock
Alcea rosea
25 Jan – 8 Feb
6-8 wk
22 Mar
3 wk before
19 Apr
2 wk after
Delphinium
Delphinium elatum
29 Jan – 26 Feb
8-12 wk
23 Apr
3 wk after
1 May
4 wk after
African marigold
Tagetes erecta
29 Mar – 12 Apr
6-8 wk
24 May
8 wk after
Black-eyed Susan
Rudbeckia hirta
11 – 25 Mar
6-8 wk
6 May
5 wk after
17 May
6 wk after
Woodland sage
Salvia nemorosa
1 – 15 Feb
8-10 wk
12 Apr
1 wk after
1 May
4 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
23 Mar – 20 Apr
6-10 wk
1 Jun
8 wk after
California goldenpoppy
Eschscholzia californica
2 Apr
1 wk before
Painted tongue
Salpiglossis sinuata
Fleece
8 – 22 Mar
8-10 wk
17 May
6 wk after
Water forget-me-not
Myosotis scorpioides
25 Jan – 8 Feb
6-8 wk
22 Mar
3 wk before
19 Apr
2 wk after
Current date Soon Date passed