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-1.6°
Slight frost tomorrow morning at 06:00. Frost temperatures between tomorrow 04:00 – 08:00. Bring in or cover sensitive plants
Method
Rel. frost
Last spring frost (0°C) 29 Apr Frost 3 of 4 years · 20 years of data
Frost-free season 154 days 29 Apr – 30 Sep
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)
Greenhouse
17 – 31 Mar
5-7 wk
5 May
1 wk after
31 Mar
4 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
4 – 18 Apr
4-6 wk
16 May
2 wk after
25 Apr
1 wk before
Chili pepper
Capsicum annuum
Season too short
11 Mar – 8 Apr
8-12 wk
3 Jun
5 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
15 Feb – 1 Mar
5-7 wk
5 Apr
4 wk before
21 Apr
2 wk before
Cucumber
Cucumis sativus
Greenhouse
6 – 13 May
3-4 wk
3 Jun
5 wk after
Florence Fennel
Foeniculum vulgare
Season too short
29 Apr – 6 May
4-5 wk
3 Jun
5 wk after
9 May
1 wk after
Butter bean
Phaseolus lunatus
Greenhouse
7 – 14 May
3-4 wk
4 Jun
5 wk after
Onion
Allium cepa (Cepa-gruppen)
4 Feb – 4 Mar
8-12 wk
29 Apr
Vid frost
12 May
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
12 May
1 wk after
Sweetcorn
Zea mays
Fleece
17 – 24 May
3-4 wk
14 Jun
7 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
1 – 8 May
3-4 wk
29 May
4 wk after
12 May
1 wk after
Carrot
Daucus carota subsp. sativus var. sativus
21 Apr
2 wk before
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
15 Feb – 1 Mar
5-7 wk
5 Apr
4 wk before
21 Apr
2 wk before
Potato
Solanum tuberosum
5 – 19 May
4-6 wk
16 Jun
7 wk after
7 May
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
15 Feb – 1 Mar
5-7 wk
5 Apr
4 wk before
25 Apr
1 wk before
Pumpkin
Cucurbita pepo
Greenhouse
6 – 13 May
3-4 wk
3 Jun
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
1 – 8 May
3-4 wk
29 May
4 wk after
12 May
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
4 – 18 Apr
4-6 wk
16 May
2 wk after
Lettuce
Lactuca sativa
25 Mar – 1 Apr
3-4 wk
22 Apr
1 wk before
25 Apr
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
11 – 25 Mar
4-6 wk
22 Apr
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
17 – 31 Mar
2-4 wk
14 Apr
2 wk before
21 Apr
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
25 Apr
1 wk before
Spinach
Spinacia oleracea
17 – 24 Mar
3-4 wk
14 Apr
2 wk before
16 Apr
3 wk before
Sweet potato
Ipomoea batatas
17 – 31 May
4-6 wk
28 Jun
8 wk after
Tomato
Solanum lycopersicum
Greenhouse
26 Mar – 9 Apr
6-8 wk
21 May
3 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
Fleece
6 – 20 May
2-4 wk
3 Jun
5 wk after
20 May
3 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
4 – 18 Apr
4-6 wk
16 May
2 wk after
Pea
Pisum sativum
17 – 24 Mar
3-4 wk
14 Apr
2 wk before
25 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
3 – 17 May
4-6 wk
14 Jun
7 wk after
Lemon balm
Melissa officinalis
18 Feb – 4 Mar
8-10 wk
29 Apr
Vid frost
24 May
3 wk after
Dill
Anethum graveolens
25 Apr
1 wk before
Chives
Allium schoenoprasum
8 – 22 Feb
6-8 wk
5 Apr
4 wk before
25 Apr
1 wk before
Spearmint
Mentha spicata
20 Jan – 17 Feb
8-12 wk
14 Apr
2 wk before
24 May
3 wk after
Coriander
Coriandrum sativum
12 May
1 wk after
Sage
Salvia officinalis
20 Mar – 3 Apr
8-10 wk
29 May
4 wk after
Thyme
Thymus vulgaris
7 – 21 Mar
8-10 wk
16 May
2 wk after
Oregano
Origanum vulgare
10 – 24 Mar
6-8 wk
5 May
1 wk after
24 May
3 wk after
Parsley
Petroselinum crispum
17 Feb – 3 Mar
6-8 wk
14 Apr
2 wk before
25 Apr
1 wk before
Rosemary
Salvia rosmarinus
Fleece
4 Feb – 4 Mar
10-14 wk
13 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
18 – 25 May
3-4 wk
15 Jun
7 wk after
Cornflower
Centaurea cyanus
14 Apr
2 wk before
25 Apr
1 wk before
Statice
Limonium sinuatum
Greenhouse
12 – 26 Mar
8-10 wk
21 May
3 wk after
Sweet William
Dianthus barbatus
17 Feb – 3 Mar
6-8 wk
14 Apr
2 wk before
7 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Greenhouse
26 Mar – 9 Apr
6-8 wk
21 May
3 wk after
27 May
4 wk after
Dahlia
Dahlia × pinnata
Fleece
2 – 16 Apr
6-8 wk
28 May
4 wk after
Dahlia (tubers)
Dahlia × pinnata
16 Apr – 14 May
4-8 wk
11 Jun
6 wk after
24 May
3 wk after
Foxglove
Digitalis purpurea
3 – 17 Feb
8-10 wk
14 Apr
2 wk before
12 May
1 wk after
Busy lizzie
Impatiens walleriana
Greenhouse
11 Mar – 8 Apr
8-12 wk
3 Jun
5 wk after
Creeping zinnia
Sanvitalia procumbens
Fleece
8 – 22 Apr
6-8 wk
3 Jun
5 wk after
Hyacinth bean
Dolichos lablab
Season too short
4 – 18 May
4-6 wk
15 Jun
7 wk after
Chinese lantern
Physalis alkekengi
Fleece
4 – 18 Mar
8-10 wk
13 May
2 wk after
Love in a mist
Nigella damascena
25 Apr
1 wk before
Strawflower
Xerochrysum bracteatum
Greenhouse
26 Mar – 9 Apr
6-8 wk
21 May
3 wk after
27 May
4 wk after
Tall verbena
Verbena bonariensis
Fleece
18 Feb – 18 Mar
8-12 wk
13 May
2 wk after
Cardoon
Cynara cardunculus
Season too short
26 Feb – 26 Mar
8-12 wk
21 May
3 wk after
Regal-foxtail
Ptilotus nobilis
Season too short
11 Mar – 8 Apr
8-12 wk
3 Jun
5 wk after
Globe amaranth
Gomphrena globosa
Season too short
8 – 22 Apr
6-8 wk
3 Jun
5 wk after
Corn poppy
Papaver rhoeas
25 Apr
1 wk before
Snapdragon
Antirrhinum majus
28 Jan – 25 Feb
8-12 wk
22 Apr
1 wk before
7 May
1 wk after
Flossflower
Ageratum houstonianum
Season too short
25 Mar – 8 Apr
8-10 wk
3 Jun
5 wk after
Sweet pea
Lathyrus odoratus
17 Feb – 10 Mar
5-8 wk
14 Apr
2 wk before
Stock
Matthiola incana
25 Feb – 11 Mar
6-8 wk
22 Apr
1 wk before
12 May
1 wk after
Wormwood
Artemisia absinthium
17 Feb – 3 Mar
6-8 wk
14 Apr
2 wk before
12 May
1 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
22 Apr – 6 May
4-6 wk
3 Jun
5 wk after
Pansy
Viola × wittrockiana
25 Jan – 8 Feb
8-10 wk
5 Apr
4 wk before
7 May
1 wk after
Petunia
Petunia
Greenhouse
26 Feb – 26 Mar
8-12 wk
21 May
3 wk after
Scabious
Scabiosa atropurpurea
Fleece
18 Mar – 1 Apr
6-8 wk
13 May
2 wk after
20 May
3 wk after
Zinnia
Zinnia elegans
Greenhouse
9 – 23 Apr
4-6 wk
21 May
3 wk after
Common morning glory
Ipomoea purpurea
Greenhouse
29 Apr – 13 May
3-5 wk
3 Jun
5 wk after
Cosmos
Cosmos bipinnatus
Greenhouse
9 – 23 Apr
4-6 wk
21 May
3 wk after
9 May
1 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
23 Mar – 20 Apr
8-12 wk
15 Jun
7 wk after
Bee balm
Monarda didyma
4 Feb – 4 Mar
8-12 wk
29 Apr
Vid frost
24 May
3 wk after
Yarrow
Achillea millefolium
17 Feb – 3 Mar
6-8 wk
14 Apr
2 wk before
12 May
1 wk after
Safflower
Carthamus tinctorius
14 Apr
2 wk before
25 Apr
1 wk before
Iceland poppy
Papaver nudicaule
8 – 22 Feb
6-8 wk
5 Apr
4 wk before
21 Apr
2 wk before
Bishop's flower
Ammi majus
29 Mar – 12 Apr
4-6 wk
10 May
1 wk after
12 May
1 wk after
Drumsticks
Pycnosorus globosus
Season too short
11 – 25 Mar
10-12 wk
3 Jun
5 wk after
Sunflower
Helianthus annuus
Greenhouse
23 – 30 Apr
3-4 wk
21 May
3 wk after
28 Apr
China aster
Callistephus chinensis
Greenhouse
26 Mar – 9 Apr
6-8 wk
21 May
3 wk after
9 May
1 wk after
Annual phlox
Phlox drummondii
9 – 23 Apr
6-8 wk
4 Jun
5 wk after
9 Jun
5 wk after
Hollyhock
Alcea rosea
17 Feb – 3 Mar
6-8 wk
14 Apr
2 wk before
12 May
1 wk after
Delphinium
Delphinium elatum
21 Feb – 21 Mar
8-12 wk
16 May
2 wk after
24 May
3 wk after
African marigold
Tagetes erecta
Greenhouse
26 Mar – 9 Apr
6-8 wk
21 May
3 wk after
Black-eyed Susan
Rudbeckia hirta
3 – 17 Apr
6-8 wk
29 May
4 wk after
9 Jun
5 wk after
Woodland sage
Salvia nemorosa
24 Feb – 10 Mar
8-10 wk
5 May
1 wk after
24 May
3 wk after
Black-eyed susan vine
Thunbergia alata
Season too short
25 Mar – 22 Apr
6-10 wk
3 Jun
5 wk after
California goldenpoppy
Eschscholzia californica
25 Apr
1 wk before
Painted tongue
Salpiglossis sinuata
Greenhouse
12 – 26 Mar
8-10 wk
21 May
3 wk after
Water forget-me-not
Myosotis scorpioides
17 Feb – 3 Mar
6-8 wk
14 Apr
2 wk before
12 May
1 wk after
Current date Soon Date passed