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-0.7°
Slight frost tonight at 04:00. Frost temperatures between tomorrow 01:00 – 06:00. Bring in or cover sensitive plants
Method
Rel. frost
Last spring frost (0°C) 28 Apr Frost 1 of 4 years · 20 years of data
Frost-free season 201 days 28 Apr – 15 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)
Fleece
30 Mar – 13 Apr
5-7 wk
18 May
3 wk after
8 Apr
3 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
6 – 20 Apr
4-6 wk
18 May
3 wk after
22 Apr
1 wk before
Chili pepper
Capsicum annuum
Greenhouse
16 Mar – 13 Apr
8-12 wk
8 Jun
6 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
8 – 22 Feb
5-7 wk
29 Mar
4 wk before
15 Apr
2 wk before
Cucumber
Cucumis sativus
Fleece
26 May – 2 Jun
3-4 wk
23 Jun
8 wk after
Florence Fennel
Foeniculum vulgare
Greenhouse
4 – 11 May
4-5 wk
8 Jun
6 wk after
11 May
2 wk after
Butter bean
Phaseolus lunatus
Greenhouse
11 – 18 May
3-4 wk
8 Jun
6 wk after
Onion
Allium cepa (Cepa-gruppen)
3 Feb – 3 Mar
8-12 wk
28 Apr
Vid frost
11 May
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
11 May
2 wk after
11 May
2 wk after
Sweetcorn
Zea mays
Fleece
16 – 23 May
3-4 wk
13 Jun
7 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
2 – 9 May
3-4 wk
30 May
5 wk after
11 May
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
15 Apr
2 wk before
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
8 – 22 Feb
5-7 wk
29 Mar
4 wk before
15 Apr
2 wk before
Potato
Solanum tuberosum
22 Mar – 5 Apr
4-6 wk
3 May
1 wk after
3 May
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
8 – 22 Feb
5-7 wk
29 Mar
4 wk before
22 Apr
1 wk before
Pumpkin
Cucurbita pepo
Fleece
26 May – 2 Jun
3-4 wk
23 Jun
8 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
2 – 9 May
3-4 wk
30 May
5 wk after
11 May
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
6 – 20 Apr
4-6 wk
18 May
3 wk after
Lettuce
Lactuca sativa
22 – 29 Mar
3-4 wk
19 Apr
1 wk before
22 Apr
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
8 – 22 Mar
4-6 wk
19 Apr
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
18 Mar – 1 Apr
2-4 wk
15 Apr
2 wk before
15 Apr
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
22 Apr
1 wk before
22 Apr
1 wk before
Spinach
Spinacia oleracea
11 – 18 Mar
3-4 wk
8 Apr
3 wk before
8 Apr
3 wk before
Sweet potato
Ipomoea batatas
30 May – 13 Jun
4-6 wk
11 Jul
11 wk after
Tomato
Solanum lycopersicum
Fleece
13 – 27 Apr
6-8 wk
8 Jun
6 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
26 May – 9 Jun
2-4 wk
23 Jun
8 wk after
8 Jun
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
6 – 20 Apr
4-6 wk
18 May
3 wk after
Pea
Pisum sativum
11 – 18 Mar
3-4 wk
8 Apr
3 wk before
22 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
2 – 16 May
4-6 wk
13 Jun
7 wk after
Lemon balm
Melissa officinalis
17 Feb – 3 Mar
8-10 wk
28 Apr
Vid frost
24 May
4 wk after
Dill
Anethum graveolens
22 Apr
1 wk before
Chives
Allium schoenoprasum
1 – 15 Feb
6-8 wk
29 Mar
4 wk before
22 Apr
1 wk before
Spearmint
Mentha spicata
14 Jan – 11 Feb
8-12 wk
8 Apr
3 wk before
24 May
4 wk after
Coriander
Coriandrum sativum
11 May
2 wk after
Sage
Salvia officinalis
21 Mar – 4 Apr
8-10 wk
30 May
5 wk after
Thyme
Thymus vulgaris
9 – 23 Mar
8-10 wk
18 May
3 wk after
Oregano
Origanum vulgare
12 – 26 Mar
6-8 wk
7 May
1 wk after
24 May
4 wk after
Parsley
Petroselinum crispum
11 – 25 Feb
6-8 wk
8 Apr
3 wk before
22 Apr
1 wk before
Rosemary
Salvia rosmarinus
21 Feb – 21 Mar
10-14 wk
30 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
Season too short
26 May – 2 Jun
3-4 wk
23 Jun
8 wk after
Cornflower
Centaurea cyanus
8 Apr
3 wk before
22 Apr
1 wk before
Statice
Limonium sinuatum
Fleece
30 Mar – 13 Apr
8-10 wk
8 Jun
6 wk after
Sweet William
Dianthus barbatus
11 – 25 Feb
6-8 wk
8 Apr
3 wk before
3 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Fleece
13 – 27 Apr
6-8 wk
8 Jun
6 wk after
13 Jun
7 wk after
Dahlia
Dahlia × pinnata
21 Apr – 5 May
6-8 wk
16 Jun
7 wk after
Dahlia (tubers)
Dahlia × pinnata
29 Mar – 26 Apr
4-8 wk
24 May
4 wk after
24 May
4 wk after
Foxglove
Digitalis purpurea
28 Jan – 11 Feb
8-10 wk
8 Apr
3 wk before
11 May
2 wk after
Busy lizzie
Impatiens walleriana
11 Apr – 9 May
8-12 wk
4 Jul
10 wk after
Creeping zinnia
Sanvitalia procumbens
28 Apr – 12 May
6-8 wk
23 Jun
8 wk after
Hyacinth bean
Dolichos lablab
Season too short
12 – 26 May
4-6 wk
23 Jun
8 wk after
Chinese lantern
Physalis alkekengi
21 Mar – 4 Apr
8-10 wk
30 May
5 wk after
Love in a mist
Nigella damascena
22 Apr
1 wk before
Strawflower
Xerochrysum bracteatum
Fleece
13 – 27 Apr
6-8 wk
8 Jun
6 wk after
13 Jun
7 wk after
Tall verbena
Verbena bonariensis
7 Mar – 4 Apr
8-12 wk
30 May
5 wk after
Cardoon
Cynara cardunculus
Season too short
1 – 29 Mar
8-12 wk
24 May
4 wk after
Regal-foxtail
Ptilotus nobilis
Greenhouse
16 Mar – 13 Apr
8-12 wk
8 Jun
6 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
13 – 27 Apr
6-8 wk
8 Jun
6 wk after
Corn poppy
Papaver rhoeas
22 Apr
1 wk before
Snapdragon
Antirrhinum majus
25 Jan – 22 Feb
8-12 wk
19 Apr
1 wk before
3 May
1 wk after
Flossflower
Ageratum houstonianum
Greenhouse
30 Mar – 13 Apr
8-10 wk
8 Jun
6 wk after
Sweet pea
Lathyrus odoratus
11 Feb – 4 Mar
5-8 wk
8 Apr
3 wk before
Stock
Matthiola incana
22 Feb – 8 Mar
6-8 wk
19 Apr
1 wk before
11 May
2 wk after
Wormwood
Artemisia absinthium
11 – 25 Feb
6-8 wk
8 Apr
3 wk before
11 May
2 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
27 Apr – 11 May
4-6 wk
8 Jun
6 wk after
Pansy
Viola × wittrockiana
18 Jan – 1 Feb
8-10 wk
29 Mar
4 wk before
3 May
1 wk after
Petunia
Petunia
Fleece
16 Mar – 13 Apr
8-12 wk
8 Jun
6 wk after
Scabious
Scabiosa atropurpurea
4 – 18 Apr
6-8 wk
30 May
5 wk after
8 Jun
6 wk after
Zinnia
Zinnia elegans
Fleece
27 Apr – 11 May
4-6 wk
8 Jun
6 wk after
Common morning glory
Ipomoea purpurea
Fleece
19 May – 2 Jun
3-5 wk
23 Jun
8 wk after
Cosmos
Cosmos bipinnatus
Fleece
27 Apr – 11 May
4-6 wk
8 Jun
6 wk after
24 May
4 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
31 Mar – 28 Apr
8-12 wk
23 Jun
8 wk after
Bee balm
Monarda didyma
3 Feb – 3 Mar
8-12 wk
28 Apr
Vid frost
24 May
4 wk after
Yarrow
Achillea millefolium
11 – 25 Feb
6-8 wk
8 Apr
3 wk before
11 May
2 wk after
Safflower
Carthamus tinctorius
8 Apr
3 wk before
22 Apr
1 wk before
Iceland poppy
Papaver nudicaule
1 – 15 Feb
6-8 wk
29 Mar
4 wk before
15 Apr
2 wk before
Bishop's flower
Ammi majus
1 – 15 Apr
4-6 wk
13 May
2 wk after
11 May
2 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
16 – 30 Mar
10-12 wk
8 Jun
6 wk after
Sunflower
Helianthus annuus
Fleece
11 – 18 May
3-4 wk
8 Jun
6 wk after
11 May
2 wk after
China aster
Callistephus chinensis
Fleece
13 – 27 Apr
6-8 wk
8 Jun
6 wk after
24 May
4 wk after
Annual phlox
Phlox drummondii
13 – 27 Apr
6-8 wk
8 Jun
6 wk after
8 Jun
6 wk after
Hollyhock
Alcea rosea
11 – 25 Feb
6-8 wk
8 Apr
3 wk before
11 May
2 wk after
Delphinium
Delphinium elatum
23 Feb – 23 Mar
8-12 wk
18 May
3 wk after
24 May
4 wk after
African marigold
Tagetes erecta
Fleece
13 – 27 Apr
6-8 wk
8 Jun
6 wk after
Black-eyed Susan
Rudbeckia hirta
4 – 18 Apr
6-8 wk
30 May
5 wk after
8 Jun
6 wk after
Woodland sage
Salvia nemorosa
26 Feb – 12 Mar
8-10 wk
7 May
1 wk after
24 May
4 wk after
Black-eyed susan vine
Thunbergia alata
Greenhouse
30 Mar – 27 Apr
6-10 wk
8 Jun
6 wk after
California goldenpoppy
Eschscholzia californica
22 Apr
1 wk before
Painted tongue
Salpiglossis sinuata
Fleece
30 Mar – 13 Apr
8-10 wk
8 Jun
6 wk after
Water forget-me-not
Myosotis scorpioides
11 – 25 Feb
6-8 wk
8 Apr
3 wk before
11 May
2 wk after
Current date Soon Date passed