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-0.3°
Last 24h: Slight frost recorded this morning at 06:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 21 Mar Frost 9 of 10 years · 20 years of data
Frost-free season 222 days 21 Mar – 29 Oct
Probability that frost is over

10% = Half of years are frost-free by this date. More about frost & season →

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Vegetables

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