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-0.4°
Last 24h: Slight frost recorded this morning at 07:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 3 Apr Frost 1 of 4 years · 20 years of data
Frost-free season 243 days 3 Apr – 2 Dec
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)
15 – 29 Mar
5-7 wk
3 May
5 wk after
30 Mar
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
9 – 23 Mar
4-6 wk
20 Apr
3 wk after
30 Mar
1 wk before
Chili pepper
Capsicum annuum
Fleece
6 Mar – 3 Apr
8-12 wk
29 May
8 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
20 Jan – 3 Feb
5-7 wk
10 Mar
4 wk before
26 Mar
2 wk before
Cucumber
Cucumis sativus
1 – 8 May
3-4 wk
29 May
10 wk after
Florence Fennel
Foeniculum vulgare
Fleece
24 Apr – 1 May
4-5 wk
29 May
8 wk after
29 Apr
4 wk after
Butter bean
Phaseolus lunatus
Season too short
16 – 23 Apr
3-4 wk
14 May
6 wk after
Onion
Allium cepa (Cepa-gruppen)
9 Jan – 6 Feb
8-12 wk
3 Apr
Vid frost
16 Apr
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
Season too short
21 Mar
2 wk before
Sweetcorn
Zea mays
Season too short
8 – 15 Apr
3-4 wk
6 May
5 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
5 – 12 Apr
3-4 wk
3 May
5 wk after
16 Apr
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
26 Mar
2 wk before
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
20 Jan – 3 Feb
5-7 wk
10 Mar
4 wk before
26 Mar
2 wk before
Potato
Solanum tuberosum
Season too short
31 Jan – 14 Feb
4-6 wk
14 Mar
3 wk before
14 Mar
3 wk before
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
20 Jan – 3 Feb
5-7 wk
10 Mar
4 wk before
30 Mar
1 wk before
Pumpkin
Cucurbita pepo
1 – 8 May
3-4 wk
29 May
10 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
5 – 12 Apr
3-4 wk
3 May
5 wk after
16 Apr
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
9 – 23 Mar
4-6 wk
20 Apr
3 wk after
Lettuce
Lactuca sativa
27 Feb – 6 Mar
3-4 wk
27 Mar
1 wk before
30 Mar
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
13 – 27 Feb
4-6 wk
27 Mar
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
Season too short
19 Jan – 2 Feb
2-4 wk
16 Feb
7 wk before
16 Feb
7 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
Season too short
28 Feb
5 wk before
Spinach
Spinacia oleracea
19 – 26 Feb
3-4 wk
19 Mar
3 wk before
21 Mar
3 wk before
Sweet potato
Ipomoea batatas
21 Apr – 5 May
4-6 wk
2 Jun
11 wk after
Tomato
Solanum lycopersicum
26 Mar – 9 Apr
6-8 wk
21 May
8 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
23 Apr – 7 May
2-4 wk
21 May
8 wk after
14 May
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
9 – 23 Mar
4-6 wk
20 Apr
3 wk after
Pea
Pisum sativum
19 – 26 Feb
3-4 wk
19 Mar
3 wk before
30 Mar
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
25 Mar – 8 Apr
4-6 wk
6 May
5 wk after
Lemon balm
Melissa officinalis
23 Jan – 6 Feb
8-10 wk
3 Apr
Vid frost
28 Apr
4 wk after
Dill
Anethum graveolens
30 Mar
1 wk before
Chives
Allium schoenoprasum
13 – 27 Jan
6-8 wk
10 Mar
4 wk before
30 Mar
1 wk before
Spearmint
Mentha spicata
25 Dec – 22 Jan
8-12 wk
19 Mar
3 wk before
28 Apr
4 wk after
Coriander
Coriandrum sativum
16 Apr
2 wk after
Sage
Salvia officinalis
22 Feb – 8 Mar
8-10 wk
3 May
5 wk after
Thyme
Thymus vulgaris
9 – 23 Feb
8-10 wk
20 Apr
3 wk after
Oregano
Origanum vulgare
12 – 26 Feb
6-8 wk
9 Apr
1 wk after
28 Apr
4 wk after
Parsley
Petroselinum crispum
22 Jan – 5 Feb
6-8 wk
19 Mar
3 wk before
30 Mar
1 wk before
Rosemary
Salvia rosmarinus
25 Jan – 22 Feb
10-14 wk
3 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
12 – 19 May
3-4 wk
9 Jun
10 wk after
Cornflower
Centaurea cyanus
19 Mar
3 wk before
30 Mar
1 wk before
Statice
Limonium sinuatum
12 – 26 Mar
8-10 wk
21 May
8 wk after
Sweet William
Dianthus barbatus
22 Jan – 5 Feb
6-8 wk
19 Mar
3 wk before
11 Apr
1 wk after
Snow-on-the-mountain
Euphorbia marginata
26 Mar – 9 Apr
6-8 wk
21 May
8 wk after
13 Jun
11 wk after
Dahlia
Dahlia × pinnata
21 Mar – 4 Apr
6-8 wk
16 May
7 wk after
Dahlia (tubers)
Dahlia × pinnata
Season too short
5 Feb – 5 Mar
4-8 wk
2 Apr
2 Apr
Foxglove
Digitalis purpurea
8 – 22 Jan
8-10 wk
19 Mar
3 wk before
16 Apr
2 wk after
Busy lizzie
Impatiens walleriana
6 Mar – 3 Apr
8-12 wk
29 May
10 wk after
Creeping zinnia
Sanvitalia procumbens
26 Mar – 9 Apr
6-8 wk
21 May
8 wk after
Hyacinth bean
Dolichos lablab
Greenhouse
17 Apr – 1 May
4-6 wk
29 May
8 wk after
Chinese lantern
Physalis alkekengi
22 Feb – 8 Mar
8-10 wk
3 May
5 wk after
Love in a mist
Nigella damascena
30 Mar
1 wk before
Strawflower
Xerochrysum bracteatum
26 Mar – 9 Apr
6-8 wk
21 May
8 wk after
13 Jun
11 wk after
Tall verbena
Verbena bonariensis
8 Feb – 8 Mar
8-12 wk
3 May
5 wk after
Cardoon
Cynara cardunculus
Fleece
19 Feb – 19 Mar
8-12 wk
14 May
6 wk after
Regal-foxtail
Ptilotus nobilis
Fleece
6 Mar – 3 Apr
8-12 wk
29 May
8 wk after
Globe amaranth
Gomphrena globosa
Fleece
3 – 17 Apr
6-8 wk
29 May
8 wk after
Corn poppy
Papaver rhoeas
30 Mar
1 wk before
Snapdragon
Antirrhinum majus
2 – 30 Jan
8-12 wk
27 Mar
1 wk before
11 Apr
1 wk after
Flossflower
Ageratum houstonianum
20 Mar – 3 Apr
8-10 wk
29 May
10 wk after
Sweet pea
Lathyrus odoratus
22 Jan – 12 Feb
5-8 wk
19 Mar
3 wk before
Stock
Matthiola incana
30 Jan – 13 Feb
6-8 wk
27 Mar
1 wk before
16 Apr
2 wk after
Wormwood
Artemisia absinthium
22 Jan – 5 Feb
6-8 wk
19 Mar
3 wk before
16 Apr
2 wk after
Mexican sunflower
Tithonia rotundifolia
Fleece
17 Apr – 1 May
4-6 wk
29 May
8 wk after
Pansy
Viola × wittrockiana
30 Dec – 13 Jan
8-10 wk
10 Mar
4 wk before
11 Apr
1 wk after
Petunia
Petunia
26 Feb – 26 Mar
8-12 wk
21 May
8 wk after
Scabious
Scabiosa atropurpurea
8 – 22 Mar
6-8 wk
3 May
5 wk after
14 May
6 wk after
Zinnia
Zinnia elegans
9 – 23 Apr
4-6 wk
21 May
8 wk after
Common morning glory
Ipomoea purpurea
24 Apr – 8 May
3-5 wk
29 May
10 wk after
Cosmos
Cosmos bipinnatus
9 – 23 Apr
4-6 wk
21 May
8 wk after
14 May
6 wk after
Scarlet milkweed
Asclepias curassavica
Fleece
17 Mar – 14 Apr
8-12 wk
9 Jun
10 wk after
Bee balm
Monarda didyma
9 Jan – 6 Feb
8-12 wk
3 Apr
Vid frost
28 Apr
4 wk after
Yarrow
Achillea millefolium
22 Jan – 5 Feb
6-8 wk
19 Mar
3 wk before
16 Apr
2 wk after
Safflower
Carthamus tinctorius
19 Mar
3 wk before
30 Mar
1 wk before
Iceland poppy
Papaver nudicaule
13 – 27 Jan
6-8 wk
10 Mar
4 wk before
26 Mar
2 wk before
Bishop's flower
Ammi majus
3 – 17 Mar
4-6 wk
14 Apr
2 wk after
16 Apr
2 wk after
Drumsticks
Pycnosorus globosus
Fleece
6 – 20 Mar
10-12 wk
29 May
8 wk after
Sunflower
Helianthus annuus
23 – 30 Apr
3-4 wk
21 May
8 wk after
28 Apr
4 wk after
China aster
Callistephus chinensis
26 Mar – 9 Apr
6-8 wk
21 May
8 wk after
14 May
6 wk after
Annual phlox
Phlox drummondii
14 – 28 Mar
6-8 wk
9 May
6 wk after
14 May
6 wk after
Hollyhock
Alcea rosea
22 Jan – 5 Feb
6-8 wk
19 Mar
3 wk before
16 Apr
2 wk after
Delphinium
Delphinium elatum
26 Jan – 23 Feb
8-12 wk
20 Apr
3 wk after
28 Apr
4 wk after
African marigold
Tagetes erecta
26 Mar – 9 Apr
6-8 wk
21 May
8 wk after
Black-eyed Susan
Rudbeckia hirta
8 – 22 Mar
6-8 wk
3 May
5 wk after
14 May
6 wk after
Woodland sage
Salvia nemorosa
29 Jan – 12 Feb
8-10 wk
9 Apr
1 wk after
28 Apr
4 wk after
Black-eyed susan vine
Thunbergia alata
20 Mar – 17 Apr
6-10 wk
29 May
10 wk after
California goldenpoppy
Eschscholzia californica
30 Mar
1 wk before
Painted tongue
Salpiglossis sinuata
12 – 26 Mar
8-10 wk
21 May
8 wk after
Water forget-me-not
Myosotis scorpioides
22 Jan – 5 Feb
6-8 wk
19 Mar
3 wk before
16 Apr
2 wk after
Current date Soon Date passed