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-0.4°
Last 24h: Slight frost recorded this morning at 06:00. Inspect for frost damage
No frost in sight Last frost normally in 7 days (15 Apr), but frost-free in the forecast.
Method
Rel. frost
Last spring frost (0°C) 15 Apr Frost 9 of 10 years · 20 years of data
Frost-free season 182 days 15 Apr – 14 Oct
Probability that frost is over

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