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-0.4°
Last 24h: Slight frost recorded this morning at 07:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 19 Mar Frost 3 of 4 years · 20 years of data
Frost-free season 247 days 19 Mar – 21 Nov
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)
28 Feb – 14 Mar
5-7 wk
18 Apr
5 wk after
15 Mar
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
22 Feb – 8 Mar
4-6 wk
5 Apr
3 wk after
15 Mar
1 wk before
Chili pepper
Capsicum annuum
Fleece
19 Feb – 19 Mar
8-12 wk
14 May
8 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
5 – 19 Jan
5-7 wk
23 Feb
4 wk before
11 Mar
2 wk before
Cucumber
Cucumis sativus
Fleece
16 – 23 Apr
3-4 wk
14 May
8 wk after
Florence Fennel
Foeniculum vulgare
Fleece
9 – 16 Apr
4-5 wk
14 May
8 wk after
14 Apr
4 wk after
Butter bean
Phaseolus lunatus
Season too short
1 – 8 Apr
3-4 wk
29 Apr
6 wk after
Onion
Allium cepa (Cepa-gruppen)
25 Dec – 22 Jan
8-12 wk
19 Mar
Vid frost
1 Apr
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
Season too short
6 Mar
2 wk before
Sweetcorn
Zea mays
Season too short
24 – 31 Mar
3-4 wk
21 Apr
5 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
21 – 28 Mar
3-4 wk
18 Apr
5 wk after
1 Apr
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
11 Mar
2 wk before
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
5 – 19 Jan
5-7 wk
23 Feb
4 wk before
11 Mar
2 wk before
Potato
Solanum tuberosum
Season too short
16 – 30 Jan
4-6 wk
27 Feb
3 wk before
27 Feb
3 wk before
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
5 – 19 Jan
5-7 wk
23 Feb
4 wk before
15 Mar
1 wk before
Pumpkin
Cucurbita pepo
Fleece
16 – 23 Apr
3-4 wk
14 May
8 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
21 – 28 Mar
3-4 wk
18 Apr
5 wk after
1 Apr
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
22 Feb – 8 Mar
4-6 wk
5 Apr
3 wk after
Lettuce
Lactuca sativa
12 – 19 Feb
3-4 wk
12 Mar
1 wk before
15 Mar
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
29 Jan – 12 Feb
4-6 wk
12 Mar
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
Season too short
4 – 18 Jan
2-4 wk
1 Feb
7 wk before
1 Feb
7 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
Season too short
13 Feb
5 wk before
Spinach
Spinacia oleracea
4 – 11 Feb
3-4 wk
4 Mar
3 wk before
6 Mar
3 wk before
Sweet potato
Ipomoea batatas
6 – 20 Apr
4-6 wk
18 May
11 wk after
Tomato
Solanum lycopersicum
11 – 25 Mar
6-8 wk
6 May
8 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
8 – 22 Apr
2-4 wk
6 May
8 wk after
29 Apr
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
22 Feb – 8 Mar
4-6 wk
5 Apr
3 wk after
Pea
Pisum sativum
4 – 11 Feb
3-4 wk
4 Mar
3 wk before
15 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
10 – 24 Mar
4-6 wk
21 Apr
5 wk after
Lemon balm
Melissa officinalis
8 – 22 Jan
8-10 wk
19 Mar
Vid frost
13 Apr
4 wk after
Dill
Anethum graveolens
15 Mar
1 wk before
Chives
Allium schoenoprasum
29 Dec – 12 Jan
6-8 wk
23 Feb
4 wk before
15 Mar
1 wk before
Spearmint
Mentha spicata
10 Dec – 7 Jan
8-12 wk
4 Mar
3 wk before
13 Apr
4 wk after
Coriander
Coriandrum sativum
1 Apr
2 wk after
Sage
Salvia officinalis
7 – 21 Feb
8-10 wk
18 Apr
5 wk after
Thyme
Thymus vulgaris
25 Jan – 8 Feb
8-10 wk
5 Apr
3 wk after
Oregano
Origanum vulgare
28 Jan – 11 Feb
6-8 wk
25 Mar
1 wk after
13 Apr
4 wk after
Parsley
Petroselinum crispum
7 – 21 Jan
6-8 wk
4 Mar
3 wk before
15 Mar
1 wk before
Rosemary
Salvia rosmarinus
10 Jan – 7 Feb
10-14 wk
18 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
16 – 23 Apr
3-4 wk
14 May
8 wk after
Cornflower
Centaurea cyanus
4 Mar
3 wk before
15 Mar
1 wk before
Statice
Limonium sinuatum
25 Feb – 11 Mar
8-10 wk
6 May
8 wk after
Sweet William
Dianthus barbatus
7 – 21 Jan
6-8 wk
4 Mar
3 wk before
27 Mar
1 wk after
Snow-on-the-mountain
Euphorbia marginata
11 – 25 Mar
6-8 wk
6 May
8 wk after
29 May
11 wk after
Dahlia
Dahlia × pinnata
6 – 20 Mar
6-8 wk
1 May
7 wk after
Dahlia (tubers)
Dahlia × pinnata
Season too short
21 Jan – 18 Feb
4-8 wk
18 Mar
18 Mar
Foxglove
Digitalis purpurea
24 Dec – 7 Jan
8-10 wk
4 Mar
3 wk before
1 Apr
2 wk after
Busy lizzie
Impatiens walleriana
19 Feb – 19 Mar
8-12 wk
14 May
10 wk after
Creeping zinnia
Sanvitalia procumbens
11 – 25 Mar
6-8 wk
6 May
8 wk after
Hyacinth bean
Dolichos lablab
Greenhouse
2 – 16 Apr
4-6 wk
14 May
8 wk after
Chinese lantern
Physalis alkekengi
7 – 21 Feb
8-10 wk
18 Apr
5 wk after
Love in a mist
Nigella damascena
15 Mar
1 wk before
Strawflower
Xerochrysum bracteatum
11 – 25 Mar
6-8 wk
6 May
8 wk after
29 May
11 wk after
Tall verbena
Verbena bonariensis
24 Jan – 21 Feb
8-12 wk
18 Apr
5 wk after
Cardoon
Cynara cardunculus
Fleece
4 Feb – 4 Mar
8-12 wk
29 Apr
6 wk after
Regal-foxtail
Ptilotus nobilis
Fleece
19 Feb – 19 Mar
8-12 wk
14 May
8 wk after
Globe amaranth
Gomphrena globosa
Fleece
19 Mar – 2 Apr
6-8 wk
14 May
8 wk after
Corn poppy
Papaver rhoeas
15 Mar
1 wk before
Snapdragon
Antirrhinum majus
18 Dec – 15 Jan
8-12 wk
12 Mar
1 wk before
27 Mar
1 wk after
Flossflower
Ageratum houstonianum
Fleece
5 – 19 Mar
8-10 wk
14 May
8 wk after
Sweet pea
Lathyrus odoratus
7 – 28 Jan
5-8 wk
4 Mar
3 wk before
Stock
Matthiola incana
15 – 29 Jan
6-8 wk
12 Mar
1 wk before
1 Apr
2 wk after
Wormwood
Artemisia absinthium
7 – 21 Jan
6-8 wk
4 Mar
3 wk before
1 Apr
2 wk after
Mexican sunflower
Tithonia rotundifolia
Fleece
2 – 16 Apr
4-6 wk
14 May
8 wk after
Pansy
Viola × wittrockiana
15 – 29 Dec
8-10 wk
23 Feb
4 wk before
27 Mar
1 wk after
Petunia
Petunia
11 Feb – 11 Mar
8-12 wk
6 May
8 wk after
Scabious
Scabiosa atropurpurea
21 Feb – 7 Mar
6-8 wk
18 Apr
5 wk after
29 Apr
6 wk after
Zinnia
Zinnia elegans
25 Mar – 8 Apr
4-6 wk
6 May
8 wk after
Common morning glory
Ipomoea purpurea
Fleece
9 – 23 Apr
3-5 wk
14 May
8 wk after
Cosmos
Cosmos bipinnatus
25 Mar – 8 Apr
4-6 wk
6 May
8 wk after
29 Apr
6 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
19 Feb – 19 Mar
8-12 wk
14 May
8 wk after
Bee balm
Monarda didyma
25 Dec – 22 Jan
8-12 wk
19 Mar
Vid frost
13 Apr
4 wk after
Yarrow
Achillea millefolium
7 – 21 Jan
6-8 wk
4 Mar
3 wk before
1 Apr
2 wk after
Safflower
Carthamus tinctorius
4 Mar
3 wk before
15 Mar
1 wk before
Iceland poppy
Papaver nudicaule
29 Dec – 12 Jan
6-8 wk
23 Feb
4 wk before
11 Mar
2 wk before
Bishop's flower
Ammi majus
16 Feb – 2 Mar
4-6 wk
30 Mar
2 wk after
1 Apr
2 wk after
Drumsticks
Pycnosorus globosus
Fleece
19 Feb – 5 Mar
10-12 wk
14 May
8 wk after
Sunflower
Helianthus annuus
8 – 15 Apr
3-4 wk
6 May
8 wk after
13 Apr
4 wk after
China aster
Callistephus chinensis
11 – 25 Mar
6-8 wk
6 May
8 wk after
29 Apr
6 wk after
Annual phlox
Phlox drummondii
27 Feb – 13 Mar
6-8 wk
24 Apr
6 wk after
29 Apr
6 wk after
Hollyhock
Alcea rosea
7 – 21 Jan
6-8 wk
4 Mar
3 wk before
1 Apr
2 wk after
Delphinium
Delphinium elatum
11 Jan – 8 Feb
8-12 wk
5 Apr
3 wk after
13 Apr
4 wk after
African marigold
Tagetes erecta
11 – 25 Mar
6-8 wk
6 May
8 wk after
Black-eyed Susan
Rudbeckia hirta
21 Feb – 7 Mar
6-8 wk
18 Apr
5 wk after
29 Apr
6 wk after
Woodland sage
Salvia nemorosa
14 – 28 Jan
8-10 wk
25 Mar
1 wk after
13 Apr
4 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
5 Mar – 2 Apr
6-10 wk
14 May
8 wk after
California goldenpoppy
Eschscholzia californica
15 Mar
1 wk before
Painted tongue
Salpiglossis sinuata
25 Feb – 11 Mar
8-10 wk
6 May
8 wk after
Water forget-me-not
Myosotis scorpioides
7 – 21 Jan
6-8 wk
4 Mar
3 wk before
1 Apr
2 wk after
Current date Soon Date passed