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-0.1°
Slight frost tomorrow at 23:00. Frost temperatures between tomorrow 04:00 – 23:00. Bring in or cover sensitive plants
Method
Rel. frost
Last spring frost (0°C) 12 May Frost 1 of 4 years · 20 years of data
Frost-free season 190 days 12 May – 18 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
13 – 27 Apr
5-7 wk
1 Jun
3 wk after
22 Apr
3 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
17 Apr – 1 May
4-6 wk
29 May
3 wk after
8 May
1 wk before
Chili pepper
Capsicum annuum
Greenhouse
30 Mar – 27 Apr
8-12 wk
22 Jun
6 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
28 Feb – 14 Mar
5-7 wk
18 Apr
4 wk before
4 May
2 wk before
Cucumber
Cucumis sativus
Fleece
9 – 16 Jun
3-4 wk
7 Jul
8 wk after
Florence Fennel
Foeniculum vulgare
Greenhouse
18 – 25 May
4-5 wk
22 Jun
6 wk after
25 May
2 wk after
Butter bean
Phaseolus lunatus
Season too short
25 May – 1 Jun
3-4 wk
22 Jun
6 wk after
Onion
Allium cepa (Cepa-gruppen)
17 Feb – 17 Mar
8-12 wk
12 May
Vid frost
25 May
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
Season too short
29 Apr
2 wk before
Sweetcorn
Zea mays
Season too short
17 – 24 May
3-4 wk
14 Jun
5 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
14 – 21 May
3-4 wk
11 Jun
5 wk after
25 May
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
4 May
2 wk before
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
28 Feb – 14 Mar
5-7 wk
18 Apr
4 wk before
4 May
2 wk before
Potato
Solanum tuberosum
Season too short
11 – 25 Mar
4-6 wk
22 Apr
3 wk before
22 Apr
3 wk before
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
28 Feb – 14 Mar
5-7 wk
18 Apr
4 wk before
8 May
1 wk before
Pumpkin
Cucurbita pepo
Fleece
9 – 16 Jun
3-4 wk
7 Jul
8 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
14 – 21 May
3-4 wk
11 Jun
5 wk after
25 May
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
17 Apr – 1 May
4-6 wk
29 May
3 wk after
Lettuce
Lactuca sativa
7 – 14 Apr
3-4 wk
5 May
1 wk before
8 May
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
24 Mar – 7 Apr
4-6 wk
5 May
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
Season too short
27 Feb – 13 Mar
2-4 wk
27 Mar
7 wk before
27 Mar
7 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
Season too short
8 Apr
5 wk before
Spinach
Spinacia oleracea
30 Mar – 6 Apr
3-4 wk
27 Apr
3 wk before
29 Apr
3 wk before
Sweet potato
Ipomoea batatas
30 May – 13 Jun
4-6 wk
11 Jul
11 wk after
Tomato
Solanum lycopersicum
Fleece
27 Apr – 11 May
6-8 wk
22 Jun
6 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
Fleece
25 May – 8 Jun
2-4 wk
22 Jun
6 wk after
7 Jun
4 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
17 Apr – 1 May
4-6 wk
29 May
3 wk after
Pea
Pisum sativum
30 Mar – 6 Apr
3-4 wk
27 Apr
3 wk before
8 May
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
3 – 17 May
4-6 wk
14 Jun
5 wk after
Lemon balm
Melissa officinalis
3 – 17 Mar
8-10 wk
12 May
Vid frost
6 Jun
4 wk after
Dill
Anethum graveolens
8 May
1 wk before
Chives
Allium schoenoprasum
21 Feb – 7 Mar
6-8 wk
18 Apr
4 wk before
8 May
1 wk before
Spearmint
Mentha spicata
2 Feb – 2 Mar
8-12 wk
27 Apr
3 wk before
6 Jun
4 wk after
Coriander
Coriandrum sativum
25 May
2 wk after
Sage
Salvia officinalis
2 – 16 Apr
8-10 wk
11 Jun
5 wk after
Thyme
Thymus vulgaris
20 Mar – 3 Apr
8-10 wk
29 May
3 wk after
Oregano
Origanum vulgare
23 Mar – 6 Apr
6-8 wk
18 May
1 wk after
6 Jun
4 wk after
Parsley
Petroselinum crispum
2 – 16 Mar
6-8 wk
27 Apr
3 wk before
8 May
1 wk before
Rosemary
Salvia rosmarinus
5 Mar – 2 Apr
10-14 wk
11 Jun
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
9 – 16 Jun
3-4 wk
7 Jul
8 wk after
Cornflower
Centaurea cyanus
27 Apr
3 wk before
8 May
1 wk before
Statice
Limonium sinuatum
Fleece
13 – 27 Apr
8-10 wk
22 Jun
6 wk after
Sweet William
Dianthus barbatus
2 – 16 Mar
6-8 wk
27 Apr
3 wk before
20 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Fleece
27 Apr – 11 May
6-8 wk
22 Jun
6 wk after
27 Jun
7 wk after
Dahlia
Dahlia × pinnata
Fleece
18 Apr – 2 May
6-8 wk
13 Jun
5 wk after
Dahlia (tubers)
Dahlia × pinnata
Season too short
16 Mar – 13 Apr
4-8 wk
11 May
11 May
Foxglove
Digitalis purpurea
16 Feb – 2 Mar
8-10 wk
27 Apr
3 wk before
25 May
2 wk after
Busy lizzie
Impatiens walleriana
14 Apr – 12 May
8-12 wk
7 Jul
10 wk after
Creeping zinnia
Sanvitalia procumbens
Fleece
27 Apr – 11 May
6-8 wk
22 Jun
6 wk after
Hyacinth bean
Dolichos lablab
Season too short
26 May – 9 Jun
4-6 wk
7 Jul
8 wk after
Chinese lantern
Physalis alkekengi
2 – 16 Apr
8-10 wk
11 Jun
5 wk after
Love in a mist
Nigella damascena
8 May
1 wk before
Strawflower
Xerochrysum bracteatum
Fleece
27 Apr – 11 May
6-8 wk
22 Jun
6 wk after
27 Jun
7 wk after
Tall verbena
Verbena bonariensis
19 Mar – 16 Apr
8-12 wk
11 Jun
5 wk after
Cardoon
Cynara cardunculus
Season too short
15 Mar – 12 Apr
8-12 wk
7 Jun
4 wk after
Regal-foxtail
Ptilotus nobilis
Greenhouse
30 Mar – 27 Apr
8-12 wk
22 Jun
6 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
27 Apr – 11 May
6-8 wk
22 Jun
6 wk after
Corn poppy
Papaver rhoeas
8 May
1 wk before
Snapdragon
Antirrhinum majus
10 Feb – 10 Mar
8-12 wk
5 May
1 wk before
20 May
1 wk after
Flossflower
Ageratum houstonianum
Greenhouse
13 – 27 Apr
8-10 wk
22 Jun
6 wk after
Sweet pea
Lathyrus odoratus
2 – 23 Mar
5-8 wk
27 Apr
3 wk before
Stock
Matthiola incana
10 – 24 Mar
6-8 wk
5 May
1 wk before
25 May
2 wk after
Wormwood
Artemisia absinthium
2 – 16 Mar
6-8 wk
27 Apr
3 wk before
25 May
2 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
11 – 25 May
4-6 wk
22 Jun
6 wk after
Pansy
Viola × wittrockiana
7 – 21 Feb
8-10 wk
18 Apr
4 wk before
20 May
1 wk after
Petunia
Petunia
Fleece
30 Mar – 27 Apr
8-12 wk
22 Jun
6 wk after
Scabious
Scabiosa atropurpurea
16 – 30 Apr
6-8 wk
11 Jun
5 wk after
22 Jun
6 wk after
Zinnia
Zinnia elegans
Fleece
11 – 25 May
4-6 wk
22 Jun
6 wk after
Common morning glory
Ipomoea purpurea
Greenhouse
18 May – 1 Jun
3-5 wk
22 Jun
6 wk after
Cosmos
Cosmos bipinnatus
Fleece
11 – 25 May
4-6 wk
22 Jun
6 wk after
7 Jun
4 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
14 Apr – 12 May
8-12 wk
7 Jul
8 wk after
Bee balm
Monarda didyma
17 Feb – 17 Mar
8-12 wk
12 May
Vid frost
6 Jun
4 wk after
Yarrow
Achillea millefolium
2 – 16 Mar
6-8 wk
27 Apr
3 wk before
25 May
2 wk after
Safflower
Carthamus tinctorius
27 Apr
3 wk before
8 May
1 wk before
Iceland poppy
Papaver nudicaule
21 Feb – 7 Mar
6-8 wk
18 Apr
4 wk before
4 May
2 wk before
Bishop's flower
Ammi majus
11 – 25 Apr
4-6 wk
23 May
2 wk after
25 May
2 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
30 Mar – 13 Apr
10-12 wk
22 Jun
6 wk after
Sunflower
Helianthus annuus
Fleece
25 May – 1 Jun
3-4 wk
22 Jun
6 wk after
25 May
2 wk after
China aster
Callistephus chinensis
Fleece
27 Apr – 11 May
6-8 wk
22 Jun
6 wk after
7 Jun
4 wk after
Annual phlox
Phlox drummondii
22 Apr – 6 May
6-8 wk
17 Jun
6 wk after
22 Jun
6 wk after
Hollyhock
Alcea rosea
2 – 16 Mar
6-8 wk
27 Apr
3 wk before
25 May
2 wk after
Delphinium
Delphinium elatum
6 Mar – 3 Apr
8-12 wk
29 May
3 wk after
6 Jun
4 wk after
African marigold
Tagetes erecta
Fleece
27 Apr – 11 May
6-8 wk
22 Jun
6 wk after
Black-eyed Susan
Rudbeckia hirta
16 – 30 Apr
6-8 wk
11 Jun
5 wk after
22 Jun
6 wk after
Woodland sage
Salvia nemorosa
9 – 23 Mar
8-10 wk
18 May
1 wk after
6 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
Greenhouse
13 Apr – 11 May
6-10 wk
22 Jun
6 wk after
California goldenpoppy
Eschscholzia californica
8 May
1 wk before
Painted tongue
Salpiglossis sinuata
Fleece
13 – 27 Apr
8-10 wk
22 Jun
6 wk after
Water forget-me-not
Myosotis scorpioides
2 – 16 Mar
6-8 wk
27 Apr
3 wk before
25 May
2 wk after
Current date Soon Date passed