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1.0°
Last 24h: Near frost recorded this morning at 07:00. 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 210 days 21 Mar – 17 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)
4 – 18 Mar
5-7 wk
22 Apr
5 wk after
15 Mar
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
27 Feb – 13 Mar
4-6 wk
10 Apr
3 wk after
15 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)
1 – 15 Jan
5-7 wk
19 Feb
4 wk before
8 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
Greenhouse
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)
3 Apr
2 wk after
3 Apr
2 wk after
Sweetcorn
Zea mays
Fleece
8 – 15 Apr
3-4 wk
6 May
7 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
25 Mar – 1 Apr
3-4 wk
22 Apr
5 wk after
3 Apr
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
8 Mar
2 wk before
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
1 – 15 Jan
5-7 wk
19 Feb
4 wk before
8 Mar
2 wk before
Potato
Solanum tuberosum
12 – 26 Feb
4-6 wk
26 Mar
1 wk after
26 Mar
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
1 – 15 Jan
5-7 wk
19 Feb
4 wk before
15 Mar
1 wk before
Pumpkin
Cucurbita pepo
Fleece
18 – 25 Apr
3-4 wk
16 May
8 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
25 Mar – 1 Apr
3-4 wk
22 Apr
5 wk after
3 Apr
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
27 Feb – 13 Mar
4-6 wk
10 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)
8 – 22 Feb
2-4 wk
8 Mar
2 wk before
8 Mar
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
15 Mar
1 wk before
15 Mar
1 wk before
Spinach
Spinacia oleracea
1 – 8 Feb
3-4 wk
1 Mar
3 wk before
1 Mar
3 wk before
Sweet potato
Ipomoea batatas
22 Apr – 6 May
4-6 wk
3 Jun
11 wk after
Tomato
Solanum lycopersicum
21 Mar – 4 Apr
6-8 wk
16 May
8 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
18 Apr – 2 May
2-4 wk
16 May
8 wk after
1 May
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
27 Feb – 13 Mar
4-6 wk
10 Apr
3 wk after
Pea
Pisum sativum
1 – 8 Feb
3-4 wk
1 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
Fleece
25 Mar – 8 Apr
4-6 wk
6 May
7 wk after
Lemon balm
Melissa officinalis
10 – 24 Jan
8-10 wk
21 Mar
Vid frost
16 Apr
4 wk after
Dill
Anethum graveolens
15 Mar
1 wk before
Chives
Allium schoenoprasum
25 Dec – 8 Jan
6-8 wk
19 Feb
4 wk before
15 Mar
1 wk before
Spearmint
Mentha spicata
7 Dec – 4 Jan
8-12 wk
1 Mar
3 wk before
16 Apr
4 wk after
Coriander
Coriandrum sativum
3 Apr
2 wk after
Sage
Salvia officinalis
11 – 25 Feb
8-10 wk
22 Apr
5 wk after
Thyme
Thymus vulgaris
30 Jan – 13 Feb
8-10 wk
10 Apr
3 wk after
Oregano
Origanum vulgare
2 – 16 Feb
6-8 wk
30 Mar
1 wk after
16 Apr
4 wk after
Parsley
Petroselinum crispum
4 – 18 Jan
6-8 wk
1 Mar
3 wk before
15 Mar
1 wk before
Rosemary
Salvia rosmarinus
14 Jan – 11 Feb
10-14 wk
22 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
1 Mar
3 wk before
15 Mar
1 wk before
Statice
Limonium sinuatum
7 – 21 Mar
8-10 wk
16 May
8 wk after
Sweet William
Dianthus barbatus
4 – 18 Jan
6-8 wk
1 Mar
3 wk before
26 Mar
1 wk after
Snow-on-the-mountain
Euphorbia marginata
21 Mar – 4 Apr
6-8 wk
16 May
8 wk after
3 Jun
11 wk after
Dahlia
Dahlia × pinnata
14 – 28 Mar
6-8 wk
9 May
7 wk after
Dahlia (tubers)
Dahlia × pinnata
19 Feb – 19 Mar
4-8 wk
16 Apr
4 wk after
16 Apr
4 wk after
Foxglove
Digitalis purpurea
21 Dec – 4 Jan
8-10 wk
1 Mar
3 wk before
3 Apr
2 wk after
Busy lizzie
Impatiens walleriana
4 Mar – 1 Apr
8-12 wk
27 May
10 wk after
Creeping zinnia
Sanvitalia procumbens
21 Mar – 4 Apr
6-8 wk
16 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
11 – 25 Feb
8-10 wk
22 Apr
5 wk after
Love in a mist
Nigella damascena
15 Mar
1 wk before
Strawflower
Xerochrysum bracteatum
21 Mar – 4 Apr
6-8 wk
16 May
8 wk after
3 Jun
11 wk after
Tall verbena
Verbena bonariensis
28 Jan – 25 Feb
8-12 wk
22 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
15 Mar
1 wk before
Snapdragon
Antirrhinum majus
18 Dec – 15 Jan
8-12 wk
12 Mar
1 wk before
26 Mar
1 wk after
Flossflower
Ageratum houstonianum
Fleece
7 – 21 Mar
8-10 wk
16 May
8 wk after
Sweet pea
Lathyrus odoratus
4 – 25 Jan
5-8 wk
1 Mar
3 wk before
Stock
Matthiola incana
15 – 29 Jan
6-8 wk
12 Mar
1 wk before
3 Apr
2 wk after
Wormwood
Artemisia absinthium
4 – 18 Jan
6-8 wk
1 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
11 – 25 Dec
8-10 wk
19 Feb
4 wk before
26 Mar
1 wk after
Petunia
Petunia
21 Feb – 21 Mar
8-12 wk
16 May
8 wk after
Scabious
Scabiosa atropurpurea
25 Feb – 11 Mar
6-8 wk
22 Apr
5 wk after
1 May
6 wk after
Zinnia
Zinnia elegans
4 – 18 Apr
4-6 wk
16 May
8 wk after
Common morning glory
Ipomoea purpurea
Fleece
11 – 25 Apr
3-5 wk
16 May
8 wk after
Cosmos
Cosmos bipinnatus
4 – 18 Apr
4-6 wk
16 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
16 Apr
4 wk after
Yarrow
Achillea millefolium
4 – 18 Jan
6-8 wk
1 Mar
3 wk before
3 Apr
2 wk after
Safflower
Carthamus tinctorius
1 Mar
3 wk before
15 Mar
1 wk before
Iceland poppy
Papaver nudicaule
25 Dec – 8 Jan
6-8 wk
19 Feb
4 wk before
8 Mar
2 wk before
Bishop's flower
Ammi majus
22 Feb – 8 Mar
4-6 wk
5 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
18 – 25 Apr
3-4 wk
16 May
8 wk after
16 Apr
4 wk after
China aster
Callistephus chinensis
21 Mar – 4 Apr
6-8 wk
16 May
8 wk after
1 May
6 wk after
Annual phlox
Phlox drummondii
6 – 20 Mar
6-8 wk
1 May
6 wk after
1 May
6 wk after
Hollyhock
Alcea rosea
4 – 18 Jan
6-8 wk
1 Mar
3 wk before
3 Apr
2 wk after
Delphinium
Delphinium elatum
16 Jan – 13 Feb
8-12 wk
10 Apr
3 wk after
16 Apr
4 wk after
African marigold
Tagetes erecta
21 Mar – 4 Apr
6-8 wk
16 May
8 wk after
Black-eyed Susan
Rudbeckia hirta
25 Feb – 11 Mar
6-8 wk
22 Apr
5 wk after
1 May
6 wk after
Woodland sage
Salvia nemorosa
19 Jan – 2 Feb
8-10 wk
30 Mar
1 wk after
16 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
15 Mar
1 wk before
Painted tongue
Salpiglossis sinuata
7 – 21 Mar
8-10 wk
16 May
8 wk after
Water forget-me-not
Myosotis scorpioides
4 – 18 Jan
6-8 wk
1 Mar
3 wk before
3 Apr
2 wk after
Current date Soon Date passed