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-1.0°
Slight frost tomorrow morning at 07:00. Frost temperatures between tomorrow 04:00 – 08:00. Bring in or cover sensitive plants
Method
Rel. frost
Last spring frost (0°C) 23 Apr Frost 3 of 4 years · 20 years of data
Frost-free season 176 days 23 Apr – 16 Oct
Probability that frost is over

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