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-0.3°
Last 24h: Slight frost recorded this morning at 06:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 20 Apr Frost 1 of 10 years · 20 years of data
Frost-free season 225 days 20 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)
1 – 15 Apr
5-7 wk
20 May
5 wk after
16 Apr
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
26 Mar – 9 Apr
4-6 wk
7 May
3 wk after
16 Apr
1 wk before
Chili pepper
Capsicum annuum
Fleece
23 Mar – 20 Apr
8-12 wk
15 Jun
8 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
6 – 20 Feb
5-7 wk
27 Mar
4 wk before
12 Apr
2 wk before
Cucumber
Cucumis sativus
18 – 25 May
3-4 wk
15 Jun
10 wk after
Florence Fennel
Foeniculum vulgare
Fleece
11 – 18 May
4-5 wk
15 Jun
8 wk after
16 May
4 wk after
Butter bean
Phaseolus lunatus
Season too short
3 – 10 May
3-4 wk
31 May
6 wk after
Onion
Allium cepa (Cepa-gruppen)
26 Jan – 23 Feb
8-12 wk
20 Apr
Vid frost
3 May
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
Season too short
7 Apr
2 wk before
Sweetcorn
Zea mays
Season too short
25 Apr – 2 May
3-4 wk
23 May
5 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
22 – 29 Apr
3-4 wk
20 May
5 wk after
3 May
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
12 Apr
2 wk before
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
6 – 20 Feb
5-7 wk
27 Mar
4 wk before
12 Apr
2 wk before
Potato
Solanum tuberosum
Season too short
17 Feb – 3 Mar
4-6 wk
31 Mar
3 wk before
31 Mar
3 wk before
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
6 – 20 Feb
5-7 wk
27 Mar
4 wk before
16 Apr
1 wk before
Pumpkin
Cucurbita pepo
18 – 25 May
3-4 wk
15 Jun
10 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
22 – 29 Apr
3-4 wk
20 May
5 wk after
3 May
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
26 Mar – 9 Apr
4-6 wk
7 May
3 wk after
Lettuce
Lactuca sativa
16 – 23 Mar
3-4 wk
13 Apr
1 wk before
16 Apr
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
2 – 16 Mar
4-6 wk
13 Apr
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
Season too short
5 – 19 Feb
2-4 wk
5 Mar
7 wk before
5 Mar
7 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
Season too short
17 Mar
5 wk before
Spinach
Spinacia oleracea
8 – 15 Mar
3-4 wk
5 Apr
3 wk before
7 Apr
3 wk before
Sweet potato
Ipomoea batatas
8 – 22 May
4-6 wk
19 Jun
11 wk after
Tomato
Solanum lycopersicum
12 – 26 Apr
6-8 wk
7 Jun
8 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
10 – 24 May
2-4 wk
7 Jun
8 wk after
31 May
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
26 Mar – 9 Apr
4-6 wk
7 May
3 wk after
Pea
Pisum sativum
8 – 15 Mar
3-4 wk
5 Apr
3 wk before
16 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
11 – 25 Apr
4-6 wk
23 May
5 wk after
Lemon balm
Melissa officinalis
9 – 23 Feb
8-10 wk
20 Apr
Vid frost
15 May
4 wk after
Dill
Anethum graveolens
16 Apr
1 wk before
Chives
Allium schoenoprasum
30 Jan – 13 Feb
6-8 wk
27 Mar
4 wk before
16 Apr
1 wk before
Spearmint
Mentha spicata
11 Jan – 8 Feb
8-12 wk
5 Apr
3 wk before
15 May
4 wk after
Coriander
Coriandrum sativum
3 May
2 wk after
Sage
Salvia officinalis
11 – 25 Mar
8-10 wk
20 May
5 wk after
Thyme
Thymus vulgaris
26 Feb – 12 Mar
8-10 wk
7 May
3 wk after
Oregano
Origanum vulgare
1 – 15 Mar
6-8 wk
26 Apr
1 wk after
15 May
4 wk after
Parsley
Petroselinum crispum
8 – 22 Feb
6-8 wk
5 Apr
3 wk before
16 Apr
1 wk before
Rosemary
Salvia rosmarinus
11 Feb – 11 Mar
10-14 wk
20 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
18 – 25 May
3-4 wk
15 Jun
8 wk after
Cornflower
Centaurea cyanus
5 Apr
3 wk before
16 Apr
1 wk before
Statice
Limonium sinuatum
29 Mar – 12 Apr
8-10 wk
7 Jun
8 wk after
Sweet William
Dianthus barbatus
8 – 22 Feb
6-8 wk
5 Apr
3 wk before
28 Apr
1 wk after
Snow-on-the-mountain
Euphorbia marginata
12 – 26 Apr
6-8 wk
7 Jun
8 wk after
30 Jun
11 wk after
Dahlia
Dahlia × pinnata
7 – 21 Apr
6-8 wk
2 Jun
7 wk after
Dahlia (tubers)
Dahlia × pinnata
Season too short
22 Feb – 22 Mar
4-8 wk
19 Apr
19 Apr
Foxglove
Digitalis purpurea
25 Jan – 8 Feb
8-10 wk
5 Apr
3 wk before
3 May
2 wk after
Busy lizzie
Impatiens walleriana
23 Mar – 20 Apr
8-12 wk
15 Jun
10 wk after
Creeping zinnia
Sanvitalia procumbens
12 – 26 Apr
6-8 wk
7 Jun
8 wk after
Hyacinth bean
Dolichos lablab
Greenhouse
4 – 18 May
4-6 wk
15 Jun
8 wk after
Chinese lantern
Physalis alkekengi
11 – 25 Mar
8-10 wk
20 May
5 wk after
Love in a mist
Nigella damascena
16 Apr
1 wk before
Strawflower
Xerochrysum bracteatum
12 – 26 Apr
6-8 wk
7 Jun
8 wk after
30 Jun
11 wk after
Tall verbena
Verbena bonariensis
25 Feb – 25 Mar
8-12 wk
20 May
5 wk after
Cardoon
Cynara cardunculus
Greenhouse
21 Feb – 21 Mar
8-12 wk
16 May
4 wk after
Regal-foxtail
Ptilotus nobilis
Fleece
23 Mar – 20 Apr
8-12 wk
15 Jun
8 wk after
Globe amaranth
Gomphrena globosa
Fleece
20 Apr – 4 May
6-8 wk
15 Jun
8 wk after
Corn poppy
Papaver rhoeas
16 Apr
1 wk before
Snapdragon
Antirrhinum majus
19 Jan – 16 Feb
8-12 wk
13 Apr
1 wk before
28 Apr
1 wk after
Flossflower
Ageratum houstonianum
Fleece
6 – 20 Apr
8-10 wk
15 Jun
8 wk after
Sweet pea
Lathyrus odoratus
8 Feb – 1 Mar
5-8 wk
5 Apr
3 wk before
Stock
Matthiola incana
16 Feb – 2 Mar
6-8 wk
13 Apr
1 wk before
3 May
2 wk after
Wormwood
Artemisia absinthium
8 – 22 Feb
6-8 wk
5 Apr
3 wk before
3 May
2 wk after
Mexican sunflower
Tithonia rotundifolia
Fleece
4 – 18 May
4-6 wk
15 Jun
8 wk after
Pansy
Viola × wittrockiana
16 – 30 Jan
8-10 wk
27 Mar
4 wk before
28 Apr
1 wk after
Petunia
Petunia
15 Mar – 12 Apr
8-12 wk
7 Jun
8 wk after
Scabious
Scabiosa atropurpurea
25 Mar – 8 Apr
6-8 wk
20 May
5 wk after
31 May
6 wk after
Zinnia
Zinnia elegans
26 Apr – 10 May
4-6 wk
7 Jun
8 wk after
Common morning glory
Ipomoea purpurea
11 – 25 May
3-5 wk
15 Jun
10 wk after
Cosmos
Cosmos bipinnatus
26 Apr – 10 May
4-6 wk
7 Jun
8 wk after
31 May
6 wk after
Scarlet milkweed
Asclepias curassavica
Fleece
3 Apr – 1 May
8-12 wk
26 Jun
10 wk after
Bee balm
Monarda didyma
26 Jan – 23 Feb
8-12 wk
20 Apr
Vid frost
15 May
4 wk after
Yarrow
Achillea millefolium
8 – 22 Feb
6-8 wk
5 Apr
3 wk before
3 May
2 wk after
Safflower
Carthamus tinctorius
5 Apr
3 wk before
16 Apr
1 wk before
Iceland poppy
Papaver nudicaule
30 Jan – 13 Feb
6-8 wk
27 Mar
4 wk before
12 Apr
2 wk before
Bishop's flower
Ammi majus
20 Mar – 3 Apr
4-6 wk
1 May
2 wk after
3 May
2 wk after
Drumsticks
Pycnosorus globosus
Fleece
23 Mar – 6 Apr
10-12 wk
15 Jun
8 wk after
Sunflower
Helianthus annuus
10 – 17 May
3-4 wk
7 Jun
8 wk after
15 May
4 wk after
China aster
Callistephus chinensis
12 – 26 Apr
6-8 wk
7 Jun
8 wk after
31 May
6 wk after
Annual phlox
Phlox drummondii
31 Mar – 14 Apr
6-8 wk
26 May
6 wk after
31 May
6 wk after
Hollyhock
Alcea rosea
8 – 22 Feb
6-8 wk
5 Apr
3 wk before
3 May
2 wk after
Delphinium
Delphinium elatum
12 Feb – 12 Mar
8-12 wk
7 May
3 wk after
15 May
4 wk after
African marigold
Tagetes erecta
12 – 26 Apr
6-8 wk
7 Jun
8 wk after
Black-eyed Susan
Rudbeckia hirta
25 Mar – 8 Apr
6-8 wk
20 May
5 wk after
31 May
6 wk after
Woodland sage
Salvia nemorosa
15 Feb – 1 Mar
8-10 wk
26 Apr
1 wk after
15 May
4 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
6 Apr – 4 May
6-10 wk
15 Jun
8 wk after
California goldenpoppy
Eschscholzia californica
16 Apr
1 wk before
Painted tongue
Salpiglossis sinuata
29 Mar – 12 Apr
8-10 wk
7 Jun
8 wk after
Water forget-me-not
Myosotis scorpioides
8 – 22 Feb
6-8 wk
5 Apr
3 wk before
3 May
2 wk after
Current date Soon Date passed