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-0.6°
Last 24h: Slight frost recorded this morning at 07:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 19 Apr Frost 9 of 10 years · 20 years of data
Frost-free season 163 days 19 Apr – 29 Sep
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
21 Mar – 4 Apr
5-7 wk
9 May
3 wk after
30 Mar
3 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
25 Mar – 8 Apr
4-6 wk
6 May
3 wk after
15 Apr
1 wk before
Chili pepper
Capsicum annuum
Greenhouse
7 Mar – 4 Apr
8-12 wk
30 May
6 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
5 – 19 Feb
5-7 wk
26 Mar
4 wk before
11 Apr
2 wk before
Cucumber
Cucumis sativus
Greenhouse
2 – 9 May
3-4 wk
30 May
6 wk after
Florence Fennel
Foeniculum vulgare
Greenhouse
25 Apr – 2 May
4-5 wk
30 May
6 wk after
2 May
2 wk after
Butter bean
Phaseolus lunatus
Greenhouse
2 – 9 May
3-4 wk
30 May
6 wk after
Onion
Allium cepa (Cepa-gruppen)
25 Jan – 22 Feb
8-12 wk
19 Apr
Vid frost
2 May
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
2 May
2 wk after
Sweetcorn
Zea mays
Fleece
7 – 14 May
3-4 wk
4 Jun
7 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
21 – 28 Apr
3-4 wk
19 May
5 wk after
2 May
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
11 Apr
2 wk before
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
5 – 19 Feb
5-7 wk
26 Mar
4 wk before
11 Apr
2 wk before
Potato
Solanum tuberosum
25 Apr – 9 May
4-6 wk
6 Jun
8 wk after
27 Apr
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
5 – 19 Feb
5-7 wk
26 Mar
4 wk before
15 Apr
1 wk before
Pumpkin
Cucurbita pepo
Greenhouse
2 – 9 May
3-4 wk
30 May
6 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
21 – 28 Apr
3-4 wk
19 May
5 wk after
2 May
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
25 Mar – 8 Apr
4-6 wk
6 May
3 wk after
Lettuce
Lactuca sativa
15 – 22 Mar
3-4 wk
12 Apr
1 wk before
15 Apr
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
1 – 15 Mar
4-6 wk
12 Apr
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
7 – 21 Mar
2-4 wk
4 Apr
3 wk before
11 Apr
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
15 Apr
1 wk before
Spinach
Spinacia oleracea
7 – 14 Mar
3-4 wk
4 Apr
3 wk before
6 Apr
3 wk before
Sweet potato
Ipomoea batatas
7 – 21 May
4-6 wk
18 Jun
11 wk after
Tomato
Solanum lycopersicum
Fleece
4 – 18 Apr
6-8 wk
30 May
6 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
Fleece
2 – 16 May
2-4 wk
30 May
6 wk after
15 May
4 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
25 Mar – 8 Apr
4-6 wk
6 May
3 wk after
Pea
Pisum sativum
7 – 14 Mar
3-4 wk
4 Apr
3 wk before
15 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
23 Apr – 7 May
4-6 wk
4 Jun
7 wk after
Lemon balm
Melissa officinalis
8 – 22 Feb
8-10 wk
19 Apr
Vid frost
14 May
4 wk after
Dill
Anethum graveolens
15 Apr
1 wk before
Chives
Allium schoenoprasum
29 Jan – 12 Feb
6-8 wk
26 Mar
4 wk before
15 Apr
1 wk before
Spearmint
Mentha spicata
10 Jan – 7 Feb
8-12 wk
4 Apr
3 wk before
14 May
4 wk after
Coriander
Coriandrum sativum
2 May
2 wk after
Sage
Salvia officinalis
10 – 24 Mar
8-10 wk
19 May
5 wk after
Thyme
Thymus vulgaris
25 Feb – 11 Mar
8-10 wk
6 May
3 wk after
Oregano
Origanum vulgare
28 Feb – 14 Mar
6-8 wk
25 Apr
1 wk after
14 May
4 wk after
Parsley
Petroselinum crispum
7 – 21 Feb
6-8 wk
4 Apr
3 wk before
15 Apr
1 wk before
Rosemary
Salvia rosmarinus
10 Feb – 10 Mar
10-14 wk
19 May
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
17 – 24 May
3-4 wk
14 Jun
8 wk after
Cornflower
Centaurea cyanus
4 Apr
3 wk before
15 Apr
1 wk before
Statice
Limonium sinuatum
Fleece
21 Mar – 4 Apr
8-10 wk
30 May
6 wk after
Sweet William
Dianthus barbatus
7 – 21 Feb
6-8 wk
4 Apr
3 wk before
27 Apr
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Fleece
4 – 18 Apr
6-8 wk
30 May
6 wk after
4 Jun
7 wk after
Dahlia
Dahlia × pinnata
6 – 20 Apr
6-8 wk
1 Jun
7 wk after
Dahlia (tubers)
Dahlia × pinnata
6 Apr – 4 May
4-8 wk
1 Jun
7 wk after
14 May
4 wk after
Foxglove
Digitalis purpurea
24 Jan – 7 Feb
8-10 wk
4 Apr
3 wk before
2 May
2 wk after
Busy lizzie
Impatiens walleriana
Fleece
22 Mar – 19 Apr
8-12 wk
14 Jun
8 wk after
Creeping zinnia
Sanvitalia procumbens
Fleece
4 – 18 Apr
6-8 wk
30 May
6 wk after
Hyacinth bean
Dolichos lablab
Season too short
3 – 17 May
4-6 wk
14 Jun
8 wk after
Chinese lantern
Physalis alkekengi
10 – 24 Mar
8-10 wk
19 May
5 wk after
Love in a mist
Nigella damascena
15 Apr
1 wk before
Strawflower
Xerochrysum bracteatum
Fleece
4 – 18 Apr
6-8 wk
30 May
6 wk after
4 Jun
7 wk after
Tall verbena
Verbena bonariensis
24 Feb – 24 Mar
8-12 wk
19 May
5 wk after
Cardoon
Cynara cardunculus
Season too short
20 Feb – 20 Mar
8-12 wk
15 May
4 wk after
Regal-foxtail
Ptilotus nobilis
Greenhouse
7 Mar – 4 Apr
8-12 wk
30 May
6 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
4 – 18 Apr
6-8 wk
30 May
6 wk after
Corn poppy
Papaver rhoeas
15 Apr
1 wk before
Snapdragon
Antirrhinum majus
18 Jan – 15 Feb
8-12 wk
12 Apr
1 wk before
27 Apr
1 wk after
Flossflower
Ageratum houstonianum
Greenhouse
21 Mar – 4 Apr
8-10 wk
30 May
6 wk after
Sweet pea
Lathyrus odoratus
7 – 28 Feb
5-8 wk
4 Apr
3 wk before
Stock
Matthiola incana
15 Feb – 1 Mar
6-8 wk
12 Apr
1 wk before
2 May
2 wk after
Wormwood
Artemisia absinthium
7 – 21 Feb
6-8 wk
4 Apr
3 wk before
2 May
2 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
18 Apr – 2 May
4-6 wk
30 May
6 wk after
Pansy
Viola × wittrockiana
15 – 29 Jan
8-10 wk
26 Mar
4 wk before
27 Apr
1 wk after
Petunia
Petunia
Fleece
7 Mar – 4 Apr
8-12 wk
30 May
6 wk after
Scabious
Scabiosa atropurpurea
24 Mar – 7 Apr
6-8 wk
19 May
5 wk after
30 May
6 wk after
Zinnia
Zinnia elegans
Fleece
18 Apr – 2 May
4-6 wk
30 May
6 wk after
Common morning glory
Ipomoea purpurea
Greenhouse
25 Apr – 9 May
3-5 wk
30 May
6 wk after
Cosmos
Cosmos bipinnatus
Fleece
18 Apr – 2 May
4-6 wk
30 May
6 wk after
15 May
4 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
22 Mar – 19 Apr
8-12 wk
14 Jun
8 wk after
Bee balm
Monarda didyma
25 Jan – 22 Feb
8-12 wk
19 Apr
Vid frost
14 May
4 wk after
Yarrow
Achillea millefolium
7 – 21 Feb
6-8 wk
4 Apr
3 wk before
2 May
2 wk after
Safflower
Carthamus tinctorius
4 Apr
3 wk before
15 Apr
1 wk before
Iceland poppy
Papaver nudicaule
29 Jan – 12 Feb
6-8 wk
26 Mar
4 wk before
11 Apr
2 wk before
Bishop's flower
Ammi majus
19 Mar – 2 Apr
4-6 wk
30 Apr
2 wk after
2 May
2 wk after
Drumsticks
Pycnosorus globosus
Season too short
7 – 21 Mar
10-12 wk
30 May
6 wk after
Sunflower
Helianthus annuus
Fleece
2 – 9 May
3-4 wk
30 May
6 wk after
2 May
2 wk after
China aster
Callistephus chinensis
Fleece
4 – 18 Apr
6-8 wk
30 May
6 wk after
15 May
4 wk after
Annual phlox
Phlox drummondii
30 Mar – 13 Apr
6-8 wk
25 May
6 wk after
30 May
6 wk after
Hollyhock
Alcea rosea
7 – 21 Feb
6-8 wk
4 Apr
3 wk before
2 May
2 wk after
Delphinium
Delphinium elatum
11 Feb – 11 Mar
8-12 wk
6 May
3 wk after
14 May
4 wk after
African marigold
Tagetes erecta
Fleece
4 – 18 Apr
6-8 wk
30 May
6 wk after
Black-eyed Susan
Rudbeckia hirta
24 Mar – 7 Apr
6-8 wk
19 May
5 wk after
30 May
6 wk after
Woodland sage
Salvia nemorosa
14 – 28 Feb
8-10 wk
25 Apr
1 wk after
14 May
4 wk after
Black-eyed susan vine
Thunbergia alata
Greenhouse
21 Mar – 18 Apr
6-10 wk
30 May
6 wk after
California goldenpoppy
Eschscholzia californica
15 Apr
1 wk before
Painted tongue
Salpiglossis sinuata
Fleece
21 Mar – 4 Apr
8-10 wk
30 May
6 wk after
Water forget-me-not
Myosotis scorpioides
7 – 21 Feb
6-8 wk
4 Apr
3 wk before
2 May
2 wk after
Current date Soon Date passed