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-1.3°
Last 24h: Slight frost recorded this morning at 07:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 5 Apr Frost 3 of 4 years · 20 years of data
Frost-free season 202 days 5 Apr – 24 Oct
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)
17 – 31 Mar
5-7 wk
5 May
5 wk after
1 Apr
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
11 – 25 Mar
4-6 wk
22 Apr
3 wk after
1 Apr
1 wk before
Chili pepper
Capsicum annuum
Fleece
8 Mar – 5 Apr
8-12 wk
31 May
8 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
22 Jan – 5 Feb
5-7 wk
12 Mar
4 wk before
28 Mar
2 wk before
Cucumber
Cucumis sativus
Fleece
3 – 10 May
3-4 wk
31 May
8 wk after
Florence Fennel
Foeniculum vulgare
Fleece
26 Apr – 3 May
4-5 wk
31 May
8 wk after
1 May
4 wk after
Butter bean
Phaseolus lunatus
Season too short
18 – 25 Apr
3-4 wk
16 May
6 wk after
Onion
Allium cepa (Cepa-gruppen)
11 Jan – 8 Feb
8-12 wk
5 Apr
Vid frost
18 Apr
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
Season too short
23 Mar
2 wk before
Sweetcorn
Zea mays
Season too short
10 – 17 Apr
3-4 wk
8 May
5 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
7 – 14 Apr
3-4 wk
5 May
5 wk after
18 Apr
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
28 Mar
2 wk before
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
22 Jan – 5 Feb
5-7 wk
12 Mar
4 wk before
28 Mar
2 wk before
Potato
Solanum tuberosum
Season too short
2 – 16 Feb
4-6 wk
16 Mar
3 wk before
16 Mar
3 wk before
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
22 Jan – 5 Feb
5-7 wk
12 Mar
4 wk before
1 Apr
1 wk before
Pumpkin
Cucurbita pepo
Fleece
3 – 10 May
3-4 wk
31 May
8 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
7 – 14 Apr
3-4 wk
5 May
5 wk after
18 Apr
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
11 – 25 Mar
4-6 wk
22 Apr
3 wk after
Lettuce
Lactuca sativa
1 – 8 Mar
3-4 wk
29 Mar
1 wk before
1 Apr
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
15 Feb – 1 Mar
4-6 wk
29 Mar
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
Season too short
21 Jan – 4 Feb
2-4 wk
18 Feb
7 wk before
18 Feb
7 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
Season too short
2 Mar
5 wk before
Spinach
Spinacia oleracea
21 – 28 Feb
3-4 wk
21 Mar
3 wk before
23 Mar
3 wk before
Sweet potato
Ipomoea batatas
23 Apr – 7 May
4-6 wk
4 Jun
11 wk after
Tomato
Solanum lycopersicum
28 Mar – 11 Apr
6-8 wk
23 May
8 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
25 Apr – 9 May
2-4 wk
23 May
8 wk after
16 May
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
11 – 25 Mar
4-6 wk
22 Apr
3 wk after
Pea
Pisum sativum
21 – 28 Feb
3-4 wk
21 Mar
3 wk before
1 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
Season too short
27 Mar – 10 Apr
4-6 wk
8 May
5 wk after
Lemon balm
Melissa officinalis
25 Jan – 8 Feb
8-10 wk
5 Apr
Vid frost
30 Apr
4 wk after
Dill
Anethum graveolens
1 Apr
1 wk before
Chives
Allium schoenoprasum
15 – 29 Jan
6-8 wk
12 Mar
4 wk before
1 Apr
1 wk before
Spearmint
Mentha spicata
27 Dec – 24 Jan
8-12 wk
21 Mar
3 wk before
30 Apr
4 wk after
Coriander
Coriandrum sativum
18 Apr
2 wk after
Sage
Salvia officinalis
24 Feb – 10 Mar
8-10 wk
5 May
5 wk after
Thyme
Thymus vulgaris
11 – 25 Feb
8-10 wk
22 Apr
3 wk after
Oregano
Origanum vulgare
14 – 28 Feb
6-8 wk
11 Apr
1 wk after
30 Apr
4 wk after
Parsley
Petroselinum crispum
24 Jan – 7 Feb
6-8 wk
21 Mar
3 wk before
1 Apr
1 wk before
Rosemary
Salvia rosmarinus
27 Jan – 24 Feb
10-14 wk
5 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
Greenhouse
3 – 10 May
3-4 wk
31 May
8 wk after
Cornflower
Centaurea cyanus
21 Mar
3 wk before
1 Apr
1 wk before
Statice
Limonium sinuatum
14 – 28 Mar
8-10 wk
23 May
8 wk after
Sweet William
Dianthus barbatus
24 Jan – 7 Feb
6-8 wk
21 Mar
3 wk before
13 Apr
1 wk after
Snow-on-the-mountain
Euphorbia marginata
28 Mar – 11 Apr
6-8 wk
23 May
8 wk after
15 Jun
11 wk after
Dahlia
Dahlia × pinnata
23 Mar – 6 Apr
6-8 wk
18 May
7 wk after
Dahlia (tubers)
Dahlia × pinnata
Season too short
7 Feb – 7 Mar
4-8 wk
4 Apr
4 Apr
Foxglove
Digitalis purpurea
10 – 24 Jan
8-10 wk
21 Mar
3 wk before
18 Apr
2 wk after
Busy lizzie
Impatiens walleriana
Fleece
8 Mar – 5 Apr
8-12 wk
31 May
8 wk after
Creeping zinnia
Sanvitalia procumbens
28 Mar – 11 Apr
6-8 wk
23 May
8 wk after
Hyacinth bean
Dolichos lablab
Season too short
19 Apr – 3 May
4-6 wk
31 May
8 wk after
Chinese lantern
Physalis alkekengi
24 Feb – 10 Mar
8-10 wk
5 May
5 wk after
Love in a mist
Nigella damascena
1 Apr
1 wk before
Strawflower
Xerochrysum bracteatum
Fleece
21 Mar – 4 Apr
6-8 wk
16 May
6 wk after
21 May
7 wk after
Tall verbena
Verbena bonariensis
10 Feb – 10 Mar
8-12 wk
5 May
5 wk after
Cardoon
Cynara cardunculus
Greenhouse
6 Feb – 6 Mar
8-12 wk
1 May
4 wk after
Regal-foxtail
Ptilotus nobilis
Greenhouse
21 Feb – 21 Mar
8-12 wk
16 May
6 wk after
Globe amaranth
Gomphrena globosa
Fleece
5 – 19 Apr
6-8 wk
31 May
8 wk after
Corn poppy
Papaver rhoeas
1 Apr
1 wk before
Snapdragon
Antirrhinum majus
4 Jan – 1 Feb
8-12 wk
29 Mar
1 wk before
13 Apr
1 wk after
Flossflower
Ageratum houstonianum
Fleece
22 Mar – 5 Apr
8-10 wk
31 May
8 wk after
Sweet pea
Lathyrus odoratus
24 Jan – 14 Feb
5-8 wk
21 Mar
3 wk before
Stock
Matthiola incana
1 – 15 Feb
6-8 wk
29 Mar
1 wk before
18 Apr
2 wk after
Wormwood
Artemisia absinthium
24 Jan – 7 Feb
6-8 wk
21 Mar
3 wk before
18 Apr
2 wk after
Mexican sunflower
Tithonia rotundifolia
Fleece
19 Apr – 3 May
4-6 wk
31 May
8 wk after
Pansy
Viola × wittrockiana
1 – 15 Jan
8-10 wk
12 Mar
4 wk before
13 Apr
1 wk after
Petunia
Petunia
Fleece
21 Feb – 21 Mar
8-12 wk
16 May
6 wk after
Scabious
Scabiosa atropurpurea
10 – 24 Mar
6-8 wk
5 May
5 wk after
16 May
6 wk after
Zinnia
Zinnia elegans
11 – 25 Apr
4-6 wk
23 May
8 wk after
Common morning glory
Ipomoea purpurea
Fleece
26 Apr – 10 May
3-5 wk
31 May
8 wk after
Cosmos
Cosmos bipinnatus
11 – 25 Apr
4-6 wk
23 May
8 wk after
16 May
6 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
8 Mar – 5 Apr
8-12 wk
31 May
8 wk after
Bee balm
Monarda didyma
11 Jan – 8 Feb
8-12 wk
5 Apr
Vid frost
30 Apr
4 wk after
Yarrow
Achillea millefolium
24 Jan – 7 Feb
6-8 wk
21 Mar
3 wk before
18 Apr
2 wk after
Safflower
Carthamus tinctorius
21 Mar
3 wk before
1 Apr
1 wk before
Iceland poppy
Papaver nudicaule
15 – 29 Jan
6-8 wk
12 Mar
4 wk before
28 Mar
2 wk before
Bishop's flower
Ammi majus
5 – 19 Mar
4-6 wk
16 Apr
2 wk after
18 Apr
2 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
21 Feb – 7 Mar
10-12 wk
16 May
6 wk after
Sunflower
Helianthus annuus
Fleece
18 – 25 Apr
3-4 wk
16 May
6 wk after
18 Apr
2 wk after
China aster
Callistephus chinensis
Fleece
21 Mar – 4 Apr
6-8 wk
16 May
6 wk after
1 May
4 wk after
Annual phlox
Phlox drummondii
16 – 30 Mar
6-8 wk
11 May
6 wk after
16 May
6 wk after
Hollyhock
Alcea rosea
24 Jan – 7 Feb
6-8 wk
21 Mar
3 wk before
18 Apr
2 wk after
Delphinium
Delphinium elatum
28 Jan – 25 Feb
8-12 wk
22 Apr
3 wk after
30 Apr
4 wk after
African marigold
Tagetes erecta
28 Mar – 11 Apr
6-8 wk
23 May
8 wk after
Black-eyed Susan
Rudbeckia hirta
10 – 24 Mar
6-8 wk
5 May
5 wk after
16 May
6 wk after
Woodland sage
Salvia nemorosa
31 Jan – 14 Feb
8-10 wk
11 Apr
1 wk after
30 Apr
4 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
22 Mar – 19 Apr
6-10 wk
31 May
8 wk after
California goldenpoppy
Eschscholzia californica
1 Apr
1 wk before
Painted tongue
Salpiglossis sinuata
14 – 28 Mar
8-10 wk
23 May
8 wk after
Water forget-me-not
Myosotis scorpioides
24 Jan – 7 Feb
6-8 wk
21 Mar
3 wk before
18 Apr
2 wk after
Current date Soon Date passed