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-0.9°
Last 24h: Slight frost recorded this morning at 07:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 7 Apr Frost 9 of 10 years · 20 years of data
Frost-free season 189 days 7 Apr – 13 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
9 – 23 Mar
5-7 wk
27 Apr
3 wk after
18 Mar
3 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
13 – 27 Mar
4-6 wk
24 Apr
3 wk after
3 Apr
1 wk before
Chili pepper
Capsicum annuum
Season too short
23 Feb – 23 Mar
8-12 wk
18 May
6 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
24 Jan – 7 Feb
5-7 wk
14 Mar
4 wk before
30 Mar
2 wk before
Cucumber
Cucumis sativus
Season too short
20 – 27 Apr
3-4 wk
18 May
6 wk after
Florence Fennel
Foeniculum vulgare
Season too short
13 – 20 Apr
4-5 wk
18 May
6 wk after
20 Apr
2 wk after
Butter bean
Phaseolus lunatus
Greenhouse
20 – 27 Apr
3-4 wk
18 May
6 wk after
Onion
Allium cepa (Cepa-gruppen)
13 Jan – 10 Feb
8-12 wk
7 Apr
Vid frost
20 Apr
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
20 Apr
2 wk after
Sweetcorn
Zea mays
Fleece
25 Apr – 2 May
3-4 wk
23 May
7 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
Fleece
30 Mar – 6 Apr
3-4 wk
27 Apr
3 wk after
6 Apr
Carrot
Daucus carota subsp. sativus var. sativus
30 Mar
2 wk before
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
24 Jan – 7 Feb
5-7 wk
14 Mar
4 wk before
30 Mar
2 wk before
Potato
Solanum tuberosum
13 – 27 Apr
4-6 wk
25 May
8 wk after
15 Apr
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
24 Jan – 7 Feb
5-7 wk
14 Mar
4 wk before
3 Apr
1 wk before
Pumpkin
Cucurbita pepo
Season too short
20 – 27 Apr
3-4 wk
18 May
6 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
Fleece
30 Mar – 6 Apr
3-4 wk
27 Apr
3 wk after
6 Apr
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
13 – 27 Mar
4-6 wk
24 Apr
3 wk after
Lettuce
Lactuca sativa
3 – 10 Mar
3-4 wk
31 Mar
1 wk before
3 Apr
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
17 Feb – 3 Mar
4-6 wk
31 Mar
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
23 Feb – 9 Mar
2-4 wk
23 Mar
3 wk before
30 Mar
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
3 Apr
1 wk before
Spinach
Spinacia oleracea
23 Feb – 2 Mar
3-4 wk
23 Mar
3 wk before
25 Mar
3 wk before
Sweet potato
Ipomoea batatas
25 Apr – 9 May
4-6 wk
6 Jun
11 wk after
Tomato
Solanum lycopersicum
Greenhouse
8 – 22 Mar
6-8 wk
3 May
4 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
Greenhouse
5 – 19 Apr
2-4 wk
3 May
4 wk after
20 Apr
2 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
13 – 27 Mar
4-6 wk
24 Apr
3 wk after
Pea
Pisum sativum
23 Feb – 2 Mar
3-4 wk
23 Mar
3 wk before
3 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
11 – 25 Apr
4-6 wk
23 May
7 wk after
Lemon balm
Melissa officinalis
27 Jan – 10 Feb
8-10 wk
7 Apr
Vid frost
2 May
4 wk after
Dill
Anethum graveolens
3 Apr
1 wk before
Chives
Allium schoenoprasum
17 – 31 Jan
6-8 wk
14 Mar
4 wk before
3 Apr
1 wk before
Spearmint
Mentha spicata
29 Dec – 26 Jan
8-12 wk
23 Mar
3 wk before
2 May
4 wk after
Coriander
Coriandrum sativum
20 Apr
2 wk after
Sage
Salvia officinalis
Fleece
16 Feb – 2 Mar
8-10 wk
27 Apr
3 wk after
Thyme
Thymus vulgaris
13 – 27 Feb
8-10 wk
24 Apr
3 wk after
Oregano
Origanum vulgare
16 Feb – 2 Mar
6-8 wk
13 Apr
1 wk after
2 May
4 wk after
Parsley
Petroselinum crispum
26 Jan – 9 Feb
6-8 wk
23 Mar
3 wk before
3 Apr
1 wk before
Rosemary
Salvia rosmarinus
Fleece
19 Jan – 16 Feb
10-14 wk
27 Apr
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
5 – 12 May
3-4 wk
2 Jun
8 wk after
Cornflower
Centaurea cyanus
23 Mar
3 wk before
3 Apr
1 wk before
Statice
Limonium sinuatum
Greenhouse
22 Feb – 8 Mar
8-10 wk
3 May
4 wk after
Sweet William
Dianthus barbatus
26 Jan – 9 Feb
6-8 wk
23 Mar
3 wk before
15 Apr
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Greenhouse
8 – 22 Mar
6-8 wk
3 May
4 wk after
10 May
5 wk after
Dahlia
Dahlia × pinnata
Greenhouse
2 – 16 Mar
6-8 wk
27 Apr
3 wk after
Dahlia (tubers)
Dahlia × pinnata
25 Mar – 22 Apr
4-8 wk
20 May
7 wk after
2 May
4 wk after
Foxglove
Digitalis purpurea
12 – 26 Jan
8-10 wk
23 Mar
3 wk before
20 Apr
2 wk after
Busy lizzie
Impatiens walleriana
Greenhouse
23 Feb – 23 Mar
8-12 wk
18 May
6 wk after
Creeping zinnia
Sanvitalia procumbens
Greenhouse
8 – 22 Mar
6-8 wk
3 May
4 wk after
Hyacinth bean
Dolichos lablab
Season too short
21 Apr – 5 May
4-6 wk
2 Jun
8 wk after
Chinese lantern
Physalis alkekengi
Fleece
16 Feb – 2 Mar
8-10 wk
27 Apr
3 wk after
Love in a mist
Nigella damascena
3 Apr
1 wk before
Strawflower
Xerochrysum bracteatum
Greenhouse
8 – 22 Mar
6-8 wk
3 May
4 wk after
10 May
5 wk after
Tall verbena
Verbena bonariensis
Fleece
2 Feb – 2 Mar
8-12 wk
27 Apr
3 wk after
Cardoon
Cynara cardunculus
Season too short
8 Feb – 8 Mar
8-12 wk
3 May
4 wk after
Regal-foxtail
Ptilotus nobilis
Season too short
23 Feb – 23 Mar
8-12 wk
18 May
6 wk after
Globe amaranth
Gomphrena globosa
Season too short
23 Mar – 6 Apr
6-8 wk
18 May
6 wk after
Corn poppy
Papaver rhoeas
3 Apr
1 wk before
Snapdragon
Antirrhinum majus
6 Jan – 3 Feb
8-12 wk
31 Mar
1 wk before
15 Apr
1 wk after
Flossflower
Ageratum houstonianum
Season too short
9 – 23 Mar
8-10 wk
18 May
6 wk after
Sweet pea
Lathyrus odoratus
26 Jan – 16 Feb
5-8 wk
23 Mar
3 wk before
Stock
Matthiola incana
3 – 17 Feb
6-8 wk
31 Mar
1 wk before
20 Apr
2 wk after
Wormwood
Artemisia absinthium
26 Jan – 9 Feb
6-8 wk
23 Mar
3 wk before
20 Apr
2 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
6 – 20 Apr
4-6 wk
18 May
6 wk after
Pansy
Viola × wittrockiana
3 – 17 Jan
8-10 wk
14 Mar
4 wk before
15 Apr
1 wk after
Petunia
Petunia
Greenhouse
8 Feb – 8 Mar
8-12 wk
3 May
4 wk after
Scabious
Scabiosa atropurpurea
Fleece
2 – 16 Mar
6-8 wk
27 Apr
3 wk after
3 May
4 wk after
Zinnia
Zinnia elegans
Greenhouse
22 Mar – 5 Apr
4-6 wk
3 May
4 wk after
Common morning glory
Ipomoea purpurea
Season too short
13 – 27 Apr
3-5 wk
18 May
6 wk after
Cosmos
Cosmos bipinnatus
Greenhouse
22 Mar – 5 Apr
4-6 wk
3 May
4 wk after
20 Apr
2 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
10 Mar – 7 Apr
8-12 wk
2 Jun
8 wk after
Bee balm
Monarda didyma
13 Jan – 10 Feb
8-12 wk
7 Apr
Vid frost
2 May
4 wk after
Yarrow
Achillea millefolium
26 Jan – 9 Feb
6-8 wk
23 Mar
3 wk before
20 Apr
2 wk after
Safflower
Carthamus tinctorius
23 Mar
3 wk before
3 Apr
1 wk before
Iceland poppy
Papaver nudicaule
17 – 31 Jan
6-8 wk
14 Mar
4 wk before
30 Mar
2 wk before
Bishop's flower
Ammi majus
7 – 21 Mar
4-6 wk
18 Apr
2 wk after
20 Apr
2 wk after
Drumsticks
Pycnosorus globosus
Season too short
23 Feb – 9 Mar
10-12 wk
18 May
6 wk after
Sunflower
Helianthus annuus
Greenhouse
5 – 12 Apr
3-4 wk
3 May
4 wk after
6 Apr
China aster
Callistephus chinensis
Greenhouse
8 – 22 Mar
6-8 wk
3 May
4 wk after
20 Apr
2 wk after
Annual phlox
Phlox drummondii
Fleece
8 – 22 Mar
6-8 wk
3 May
4 wk after
3 May
4 wk after
Hollyhock
Alcea rosea
26 Jan – 9 Feb
6-8 wk
23 Mar
3 wk before
20 Apr
2 wk after
Delphinium
Delphinium elatum
30 Jan – 27 Feb
8-12 wk
24 Apr
3 wk after
2 May
4 wk after
African marigold
Tagetes erecta
Greenhouse
8 – 22 Mar
6-8 wk
3 May
4 wk after
Black-eyed Susan
Rudbeckia hirta
Fleece
2 – 16 Mar
6-8 wk
27 Apr
3 wk after
3 May
4 wk after
Woodland sage
Salvia nemorosa
2 – 16 Feb
8-10 wk
13 Apr
1 wk after
2 May
4 wk after
Black-eyed susan vine
Thunbergia alata
Season too short
9 Mar – 6 Apr
6-10 wk
18 May
6 wk after
California goldenpoppy
Eschscholzia californica
3 Apr
1 wk before
Painted tongue
Salpiglossis sinuata
Greenhouse
22 Feb – 8 Mar
8-10 wk
3 May
4 wk after
Water forget-me-not
Myosotis scorpioides
26 Jan – 9 Feb
6-8 wk
23 Mar
3 wk before
20 Apr
2 wk after
Current date Soon Date passed