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-0.5°
Last 24h: Slight frost recorded this morning at 07:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 25 Apr Frost 1 of 4 years · 20 years of data
Frost-free season 213 days 25 Apr – 24 Nov
Probability that frost is over

75% = Half of years are frost-free by this date. More about frost & season →

Custom date

Vegetables

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