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-2.2°
Last 24h: Slight frost recorded this morning at 06:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 15 May Frost 1 of 10 years · 20 years of data
Frost-free season 188 days 15 May – 19 Nov
Probability that frost is over

90% = 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
5 – 19 Apr
5-7 wk
24 May
1 wk after
11 Apr
5 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
20 Apr – 4 May
4-6 wk
1 Jun
3 wk after
11 May
1 wk before
Chili pepper
Capsicum annuum
Season too short
2 – 30 Apr
8-12 wk
25 Jun
6 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
3 – 17 Mar
5-7 wk
21 Apr
4 wk before
7 May
2 wk before
Cucumber
Cucumis sativus
Greenhouse
28 May – 4 Jun
3-4 wk
25 Jun
6 wk after
Florence Fennel
Foeniculum vulgare
Season too short
21 – 28 May
4-5 wk
25 Jun
6 wk after
28 May
2 wk after
Butter bean
Phaseolus lunatus
Greenhouse
28 May – 4 Jun
3-4 wk
25 Jun
6 wk after
Onion
Allium cepa (Cepa-gruppen)
20 Feb – 20 Mar
8-12 wk
15 May
Vid frost
28 May
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
28 May
2 wk after
Sweetcorn
Zea mays
Fleece
2 – 9 Jun
3-4 wk
30 Jun
7 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
17 – 24 May
3-4 wk
14 Jun
5 wk after
28 May
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
7 May
2 wk before
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
3 – 17 Mar
5-7 wk
21 Apr
4 wk before
7 May
2 wk before
Potato
Solanum tuberosum
21 May – 4 Jun
4-6 wk
2 Jul
8 wk after
23 May
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
3 – 17 Mar
5-7 wk
21 Apr
4 wk before
11 May
1 wk before
Pumpkin
Cucurbita pepo
Greenhouse
28 May – 4 Jun
3-4 wk
25 Jun
6 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
17 – 24 May
3-4 wk
14 Jun
5 wk after
28 May
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
20 Apr – 4 May
4-6 wk
1 Jun
3 wk after
Lettuce
Lactuca sativa
10 – 17 Apr
3-4 wk
8 May
1 wk before
11 May
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
27 Mar – 10 Apr
4-6 wk
8 May
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
2 – 16 Apr
2-4 wk
30 Apr
3 wk before
7 May
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
11 May
1 wk before
Spinach
Spinacia oleracea
2 – 9 Apr
3-4 wk
30 Apr
3 wk before
2 May
3 wk before
Sweet potato
Ipomoea batatas
2 – 16 Jun
4-6 wk
14 Jul
11 wk after
Tomato
Solanum lycopersicum
Fleece
30 Apr – 14 May
6-8 wk
25 Jun
6 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
Fleece
28 May – 11 Jun
2-4 wk
25 Jun
6 wk after
10 Jun
4 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
20 Apr – 4 May
4-6 wk
1 Jun
3 wk after
Pea
Pisum sativum
2 – 9 Apr
3-4 wk
30 Apr
3 wk before
11 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
Fleece
19 May – 2 Jun
4-6 wk
30 Jun
7 wk after
Lemon balm
Melissa officinalis
6 – 20 Mar
8-10 wk
15 May
Vid frost
9 Jun
4 wk after
Dill
Anethum graveolens
11 May
1 wk before
Chives
Allium schoenoprasum
24 Feb – 10 Mar
6-8 wk
21 Apr
4 wk before
11 May
1 wk before
Spearmint
Mentha spicata
5 Feb – 5 Mar
8-12 wk
30 Apr
3 wk before
9 Jun
4 wk after
Coriander
Coriandrum sativum
28 May
2 wk after
Sage
Salvia officinalis
5 – 19 Apr
8-10 wk
14 Jun
5 wk after
Thyme
Thymus vulgaris
23 Mar – 6 Apr
8-10 wk
1 Jun
3 wk after
Oregano
Origanum vulgare
26 Mar – 9 Apr
6-8 wk
21 May
1 wk after
9 Jun
4 wk after
Parsley
Petroselinum crispum
5 – 19 Mar
6-8 wk
30 Apr
3 wk before
11 May
1 wk before
Rosemary
Salvia rosmarinus
Fleece
26 Feb – 26 Mar
10-14 wk
4 Jun
3 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
12 – 19 Jun
3-4 wk
10 Jul
8 wk after
Cornflower
Centaurea cyanus
30 Apr
3 wk before
11 May
1 wk before
Statice
Limonium sinuatum
Greenhouse
1 – 15 Apr
8-10 wk
10 Jun
4 wk after
Sweet William
Dianthus barbatus
5 – 19 Mar
6-8 wk
30 Apr
3 wk before
23 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Greenhouse
15 – 29 Apr
6-8 wk
10 Jun
4 wk after
17 Jun
5 wk after
Dahlia
Dahlia × pinnata
Fleece
21 Apr – 5 May
6-8 wk
16 Jun
5 wk after
Dahlia (tubers)
Dahlia × pinnata
2 – 30 May
4-8 wk
27 Jun
7 wk after
9 Jun
4 wk after
Foxglove
Digitalis purpurea
19 Feb – 5 Mar
8-10 wk
30 Apr
3 wk before
28 May
2 wk after
Busy lizzie
Impatiens walleriana
Fleece
17 Apr – 15 May
8-12 wk
10 Jul
8 wk after
Creeping zinnia
Sanvitalia procumbens
Fleece
30 Apr – 14 May
6-8 wk
25 Jun
6 wk after
Hyacinth bean
Dolichos lablab
Season too short
29 May – 12 Jun
4-6 wk
10 Jul
8 wk after
Chinese lantern
Physalis alkekengi
Fleece
26 Mar – 9 Apr
8-10 wk
4 Jun
3 wk after
Love in a mist
Nigella damascena
11 May
1 wk before
Strawflower
Xerochrysum bracteatum
Greenhouse
15 – 29 Apr
6-8 wk
10 Jun
4 wk after
17 Jun
5 wk after
Tall verbena
Verbena bonariensis
Fleece
12 Mar – 9 Apr
8-12 wk
4 Jun
3 wk after
Cardoon
Cynara cardunculus
Season too short
18 Mar – 15 Apr
8-12 wk
10 Jun
4 wk after
Regal-foxtail
Ptilotus nobilis
Season too short
2 – 30 Apr
8-12 wk
25 Jun
6 wk after
Globe amaranth
Gomphrena globosa
Season too short
30 Apr – 14 May
6-8 wk
25 Jun
6 wk after
Corn poppy
Papaver rhoeas
11 May
1 wk before
Snapdragon
Antirrhinum majus
13 Feb – 13 Mar
8-12 wk
8 May
1 wk before
23 May
1 wk after
Flossflower
Ageratum houstonianum
Greenhouse
16 – 30 Apr
8-10 wk
25 Jun
6 wk after
Sweet pea
Lathyrus odoratus
5 – 26 Mar
5-8 wk
30 Apr
3 wk before
Stock
Matthiola incana
13 – 27 Mar
6-8 wk
8 May
1 wk before
28 May
2 wk after
Wormwood
Artemisia absinthium
5 – 19 Mar
6-8 wk
30 Apr
3 wk before
28 May
2 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
14 – 28 May
4-6 wk
25 Jun
6 wk after
Pansy
Viola × wittrockiana
10 – 24 Feb
8-10 wk
21 Apr
4 wk before
23 May
1 wk after
Petunia
Petunia
Greenhouse
18 Mar – 15 Apr
8-12 wk
10 Jun
4 wk after
Scabious
Scabiosa atropurpurea
Fleece
9 – 23 Apr
6-8 wk
4 Jun
3 wk after
10 Jun
4 wk after
Zinnia
Zinnia elegans
Fleece
14 – 28 May
4-6 wk
25 Jun
6 wk after
Common morning glory
Ipomoea purpurea
Greenhouse
21 May – 4 Jun
3-5 wk
25 Jun
6 wk after
Cosmos
Cosmos bipinnatus
Greenhouse
29 Apr – 13 May
4-6 wk
10 Jun
4 wk after
28 May
2 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
17 Apr – 15 May
8-12 wk
10 Jul
8 wk after
Bee balm
Monarda didyma
20 Feb – 20 Mar
8-12 wk
15 May
Vid frost
9 Jun
4 wk after
Yarrow
Achillea millefolium
5 – 19 Mar
6-8 wk
30 Apr
3 wk before
28 May
2 wk after
Safflower
Carthamus tinctorius
30 Apr
3 wk before
11 May
1 wk before
Iceland poppy
Papaver nudicaule
24 Feb – 10 Mar
6-8 wk
21 Apr
4 wk before
7 May
2 wk before
Bishop's flower
Ammi majus
14 – 28 Apr
4-6 wk
26 May
2 wk after
28 May
2 wk after
Drumsticks
Pycnosorus globosus
Season too short
2 – 16 Apr
10-12 wk
25 Jun
6 wk after
Sunflower
Helianthus annuus
Greenhouse
13 – 20 May
3-4 wk
10 Jun
4 wk after
14 May
China aster
Callistephus chinensis
Greenhouse
15 – 29 Apr
6-8 wk
10 Jun
4 wk after
28 May
2 wk after
Annual phlox
Phlox drummondii
25 Apr – 9 May
6-8 wk
20 Jun
6 wk after
25 Jun
6 wk after
Hollyhock
Alcea rosea
5 – 19 Mar
6-8 wk
30 Apr
3 wk before
28 May
2 wk after
Delphinium
Delphinium elatum
9 Mar – 6 Apr
8-12 wk
1 Jun
3 wk after
9 Jun
4 wk after
African marigold
Tagetes erecta
Fleece
30 Apr – 14 May
6-8 wk
25 Jun
6 wk after
Black-eyed Susan
Rudbeckia hirta
19 Apr – 3 May
6-8 wk
14 Jun
5 wk after
25 Jun
6 wk after
Woodland sage
Salvia nemorosa
12 – 26 Mar
8-10 wk
21 May
1 wk after
9 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
Greenhouse
16 Apr – 14 May
6-10 wk
25 Jun
6 wk after
California goldenpoppy
Eschscholzia californica
11 May
1 wk before
Painted tongue
Salpiglossis sinuata
Greenhouse
1 – 15 Apr
8-10 wk
10 Jun
4 wk after
Water forget-me-not
Myosotis scorpioides
5 – 19 Mar
6-8 wk
30 Apr
3 wk before
28 May
2 wk after
Current date Soon Date passed