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-0.6°
Slight frost tomorrow morning at 06:00. Frost temperatures between tomorrow 05:00 – 23:00. Bring in or cover sensitive plants
Method
Rel. frost
Last spring frost (0°C) 30 Apr Frost 3 of 4 years · 20 years of data
Frost-free season 154 days 30 Apr – 1 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
26 Mar – 9 Apr
5-7 wk
14 May
2 wk after
12 Apr
3 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
5 – 19 Apr
4-6 wk
17 May
2 wk after
26 Apr
1 wk before
Chili pepper
Capsicum annuum
Greenhouse
12 Mar – 9 Apr
8-12 wk
4 Jun
5 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
16 Feb – 2 Mar
5-7 wk
6 Apr
4 wk before
22 Apr
2 wk before
Cucumber
Cucumis sativus
Greenhouse
7 – 14 May
3-4 wk
4 Jun
5 wk after
Florence Fennel
Foeniculum vulgare
Greenhouse
30 Apr – 7 May
4-5 wk
4 Jun
5 wk after
10 May
1 wk after
Butter bean
Phaseolus lunatus
Greenhouse
8 – 15 May
3-4 wk
5 Jun
5 wk after
Onion
Allium cepa (Cepa-gruppen)
5 Feb – 5 Mar
8-12 wk
30 Apr
Vid frost
13 May
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
13 May
1 wk after
Sweetcorn
Zea mays
Fleece
18 – 25 May
3-4 wk
15 Jun
7 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
2 – 9 May
3-4 wk
30 May
4 wk after
13 May
1 wk after
Carrot
Daucus carota subsp. sativus var. sativus
22 Apr
2 wk before
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
16 Feb – 2 Mar
5-7 wk
6 Apr
4 wk before
22 Apr
2 wk before
Potato
Solanum tuberosum
6 – 20 May
4-6 wk
17 Jun
7 wk after
8 May
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
16 Feb – 2 Mar
5-7 wk
6 Apr
4 wk before
26 Apr
1 wk before
Pumpkin
Cucurbita pepo
Greenhouse
7 – 14 May
3-4 wk
4 Jun
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
2 – 9 May
3-4 wk
30 May
4 wk after
13 May
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
5 – 19 Apr
4-6 wk
17 May
2 wk after
Lettuce
Lactuca sativa
26 Mar – 2 Apr
3-4 wk
23 Apr
1 wk before
26 Apr
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
12 – 26 Mar
4-6 wk
23 Apr
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
18 Mar – 1 Apr
2-4 wk
15 Apr
2 wk before
22 Apr
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
26 Apr
1 wk before
Spinach
Spinacia oleracea
18 – 25 Mar
3-4 wk
15 Apr
2 wk before
17 Apr
3 wk before
Sweet potato
Ipomoea batatas
18 May – 1 Jun
4-6 wk
29 Jun
8 wk after
Tomato
Solanum lycopersicum
Fleece
9 – 23 Apr
6-8 wk
4 Jun
5 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
Fleece
7 – 21 May
2-4 wk
4 Jun
5 wk after
21 May
3 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
5 – 19 Apr
4-6 wk
17 May
2 wk after
Pea
Pisum sativum
18 – 25 Mar
3-4 wk
15 Apr
2 wk before
26 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
4 – 18 May
4-6 wk
15 Jun
7 wk after
Lemon balm
Melissa officinalis
19 Feb – 5 Mar
8-10 wk
30 Apr
Vid frost
25 May
3 wk after
Dill
Anethum graveolens
26 Apr
1 wk before
Chives
Allium schoenoprasum
9 – 23 Feb
6-8 wk
6 Apr
4 wk before
26 Apr
1 wk before
Spearmint
Mentha spicata
21 Jan – 18 Feb
8-12 wk
15 Apr
2 wk before
25 May
3 wk after
Coriander
Coriandrum sativum
13 May
1 wk after
Sage
Salvia officinalis
21 Mar – 4 Apr
8-10 wk
30 May
4 wk after
Thyme
Thymus vulgaris
8 – 22 Mar
8-10 wk
17 May
2 wk after
Oregano
Origanum vulgare
11 – 25 Mar
6-8 wk
6 May
1 wk after
25 May
3 wk after
Parsley
Petroselinum crispum
18 Feb – 4 Mar
6-8 wk
15 Apr
2 wk before
26 Apr
1 wk before
Rosemary
Salvia rosmarinus
Fleece
5 Feb – 5 Mar
10-14 wk
14 May
2 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
19 – 26 May
3-4 wk
16 Jun
7 wk after
Cornflower
Centaurea cyanus
15 Apr
2 wk before
26 Apr
1 wk before
Statice
Limonium sinuatum
Fleece
26 Mar – 9 Apr
8-10 wk
4 Jun
5 wk after
Sweet William
Dianthus barbatus
18 Feb – 4 Mar
6-8 wk
15 Apr
2 wk before
8 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Fleece
9 – 23 Apr
6-8 wk
4 Jun
5 wk after
15 Jun
7 wk after
Dahlia
Dahlia × pinnata
Fleece
3 – 17 Apr
6-8 wk
29 May
4 wk after
Dahlia (tubers)
Dahlia × pinnata
17 Apr – 15 May
4-8 wk
12 Jun
6 wk after
25 May
3 wk after
Foxglove
Digitalis purpurea
4 – 18 Feb
8-10 wk
15 Apr
2 wk before
13 May
1 wk after
Busy lizzie
Impatiens walleriana
Fleece
24 Mar – 21 Apr
8-12 wk
16 Jun
7 wk after
Creeping zinnia
Sanvitalia procumbens
Fleece
9 – 23 Apr
6-8 wk
4 Jun
5 wk after
Hyacinth bean
Dolichos lablab
Season too short
5 – 19 May
4-6 wk
16 Jun
7 wk after
Chinese lantern
Physalis alkekengi
Fleece
5 – 19 Mar
8-10 wk
14 May
2 wk after
Love in a mist
Nigella damascena
26 Apr
1 wk before
Strawflower
Xerochrysum bracteatum
Greenhouse
27 Mar – 10 Apr
6-8 wk
22 May
3 wk after
28 May
4 wk after
Tall verbena
Verbena bonariensis
Fleece
19 Feb – 19 Mar
8-12 wk
14 May
2 wk after
Cardoon
Cynara cardunculus
Season too short
27 Feb – 27 Mar
8-12 wk
22 May
3 wk after
Regal-foxtail
Ptilotus nobilis
Season too short
12 Mar – 9 Apr
8-12 wk
4 Jun
5 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
9 – 23 Apr
6-8 wk
4 Jun
5 wk after
Corn poppy
Papaver rhoeas
26 Apr
1 wk before
Snapdragon
Antirrhinum majus
29 Jan – 26 Feb
8-12 wk
23 Apr
1 wk before
8 May
1 wk after
Flossflower
Ageratum houstonianum
Greenhouse
26 Mar – 9 Apr
8-10 wk
4 Jun
5 wk after
Sweet pea
Lathyrus odoratus
18 Feb – 11 Mar
5-8 wk
15 Apr
2 wk before
Stock
Matthiola incana
26 Feb – 12 Mar
6-8 wk
23 Apr
1 wk before
13 May
1 wk after
Wormwood
Artemisia absinthium
18 Feb – 4 Mar
6-8 wk
15 Apr
2 wk before
13 May
1 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
23 Apr – 7 May
4-6 wk
4 Jun
5 wk after
Pansy
Viola × wittrockiana
26 Jan – 9 Feb
8-10 wk
6 Apr
4 wk before
8 May
1 wk after
Petunia
Petunia
Greenhouse
27 Feb – 27 Mar
8-12 wk
22 May
3 wk after
Scabious
Scabiosa atropurpurea
Fleece
19 Mar – 2 Apr
6-8 wk
14 May
2 wk after
21 May
3 wk after
Zinnia
Zinnia elegans
Fleece
23 Apr – 7 May
4-6 wk
4 Jun
5 wk after
Common morning glory
Ipomoea purpurea
Greenhouse
30 Apr – 14 May
3-5 wk
4 Jun
5 wk after
Cosmos
Cosmos bipinnatus
Fleece
23 Apr – 7 May
4-6 wk
4 Jun
5 wk after
21 May
3 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
24 Mar – 21 Apr
8-12 wk
16 Jun
7 wk after
Bee balm
Monarda didyma
5 Feb – 5 Mar
8-12 wk
30 Apr
Vid frost
25 May
3 wk after
Yarrow
Achillea millefolium
18 Feb – 4 Mar
6-8 wk
15 Apr
2 wk before
13 May
1 wk after
Safflower
Carthamus tinctorius
15 Apr
2 wk before
26 Apr
1 wk before
Iceland poppy
Papaver nudicaule
9 – 23 Feb
6-8 wk
6 Apr
4 wk before
22 Apr
2 wk before
Bishop's flower
Ammi majus
30 Mar – 13 Apr
4-6 wk
11 May
1 wk after
13 May
1 wk after
Drumsticks
Pycnosorus globosus
Season too short
12 – 26 Mar
10-12 wk
4 Jun
5 wk after
Sunflower
Helianthus annuus
Greenhouse
24 Apr – 1 May
3-4 wk
22 May
3 wk after
29 Apr
China aster
Callistephus chinensis
Greenhouse
27 Mar – 10 Apr
6-8 wk
22 May
3 wk after
10 May
1 wk after
Annual phlox
Phlox drummondii
10 – 24 Apr
6-8 wk
5 Jun
5 wk after
10 Jun
5 wk after
Hollyhock
Alcea rosea
18 Feb – 4 Mar
6-8 wk
15 Apr
2 wk before
13 May
1 wk after
Delphinium
Delphinium elatum
22 Feb – 22 Mar
8-12 wk
17 May
2 wk after
25 May
3 wk after
African marigold
Tagetes erecta
Fleece
9 – 23 Apr
6-8 wk
4 Jun
5 wk after
Black-eyed Susan
Rudbeckia hirta
4 – 18 Apr
6-8 wk
30 May
4 wk after
10 Jun
5 wk after
Woodland sage
Salvia nemorosa
25 Feb – 11 Mar
8-10 wk
6 May
1 wk after
25 May
3 wk after
Black-eyed susan vine
Thunbergia alata
Greenhouse
26 Mar – 23 Apr
6-10 wk
4 Jun
5 wk after
California goldenpoppy
Eschscholzia californica
26 Apr
1 wk before
Painted tongue
Salpiglossis sinuata
Fleece
26 Mar – 9 Apr
8-10 wk
4 Jun
5 wk after
Water forget-me-not
Myosotis scorpioides
18 Feb – 4 Mar
6-8 wk
15 Apr
2 wk before
13 May
1 wk after
Current date Soon Date passed