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-0.8°
Slight frost tomorrow morning at 07:00. Frost temperatures between tomorrow 04:00 – 07:00. Bring in or cover sensitive plants
0.0°
Last 24h: Near frost recorded this morning at 06:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 26 Apr Frost 9 of 10 years · 20 years of data
Frost-free season 147 days 26 Apr – 20 Sep
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)
Season too short
17 – 31 Mar
5-7 wk
5 May
1 wk after
23 Mar
5 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
1 – 15 Apr
4-6 wk
13 May
3 wk after
22 Apr
1 wk before
Chili pepper
Capsicum annuum
Season too short
14 Mar – 11 Apr
8-12 wk
6 Jun
6 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
12 – 26 Feb
5-7 wk
2 Apr
4 wk before
18 Apr
2 wk before
Cucumber
Cucumis sativus
Season too short
9 – 16 May
3-4 wk
6 Jun
6 wk after
Florence Fennel
Foeniculum vulgare
Season too short
2 – 9 May
4-5 wk
6 Jun
6 wk after
9 May
2 wk after
Butter bean
Phaseolus lunatus
Season too short
9 – 16 May
3-4 wk
6 Jun
6 wk after
Onion
Allium cepa (Cepa-gruppen)
1 Feb – 1 Mar
8-12 wk
26 Apr
Vid frost
9 May
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
9 May
2 wk after
Sweetcorn
Zea mays
Greenhouse
1 – 8 May
3-4 wk
29 May
5 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
28 Apr – 5 May
3-4 wk
26 May
5 wk after
9 May
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
18 Apr
2 wk before
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
12 – 26 Feb
5-7 wk
2 Apr
4 wk before
18 Apr
2 wk before
Potato
Solanum tuberosum
2 – 16 May
4-6 wk
13 Jun
8 wk after
4 May
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
12 – 26 Feb
5-7 wk
2 Apr
4 wk before
22 Apr
1 wk before
Pumpkin
Cucurbita pepo
Season too short
9 – 16 May
3-4 wk
6 Jun
6 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
28 Apr – 5 May
3-4 wk
26 May
5 wk after
9 May
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
1 – 15 Apr
4-6 wk
13 May
3 wk after
Lettuce
Lactuca sativa
22 – 29 Mar
3-4 wk
19 Apr
1 wk before
22 Apr
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
8 – 22 Mar
4-6 wk
19 Apr
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
14 – 28 Mar
2-4 wk
11 Apr
3 wk before
18 Apr
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
22 Apr
1 wk before
Spinach
Spinacia oleracea
14 – 21 Mar
3-4 wk
11 Apr
3 wk before
13 Apr
3 wk before
Sweet potato
Ipomoea batatas
14 – 28 May
4-6 wk
25 Jun
11 wk after
Tomato
Solanum lycopersicum
Greenhouse
27 Mar – 10 Apr
6-8 wk
22 May
4 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
Greenhouse
24 Apr – 8 May
2-4 wk
22 May
4 wk after
9 May
2 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
1 – 15 Apr
4-6 wk
13 May
3 wk after
Pea
Pisum sativum
14 – 21 Mar
3-4 wk
11 Apr
3 wk before
22 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
30 Apr – 14 May
4-6 wk
11 Jun
7 wk after
Lemon balm
Melissa officinalis
15 Feb – 1 Mar
8-10 wk
26 Apr
Vid frost
21 May
4 wk after
Dill
Anethum graveolens
22 Apr
1 wk before
Chives
Allium schoenoprasum
5 – 19 Feb
6-8 wk
2 Apr
4 wk before
22 Apr
1 wk before
Spearmint
Mentha spicata
17 Jan – 14 Feb
8-12 wk
11 Apr
3 wk before
21 May
4 wk after
Coriander
Coriandrum sativum
9 May
2 wk after
Sage
Salvia officinalis
Fleece
7 – 21 Mar
8-10 wk
16 May
3 wk after
Thyme
Thymus vulgaris
4 – 18 Mar
8-10 wk
13 May
3 wk after
Oregano
Origanum vulgare
7 – 21 Mar
6-8 wk
2 May
1 wk after
21 May
4 wk after
Parsley
Petroselinum crispum
14 – 28 Feb
6-8 wk
11 Apr
3 wk before
22 Apr
1 wk before
Rosemary
Salvia rosmarinus
Fleece
7 Feb – 7 Mar
10-14 wk
16 May
3 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
24 – 31 May
3-4 wk
21 Jun
8 wk after
Cornflower
Centaurea cyanus
11 Apr
3 wk before
22 Apr
1 wk before
Statice
Limonium sinuatum
Greenhouse
13 – 27 Mar
8-10 wk
22 May
4 wk after
Sweet William
Dianthus barbatus
14 – 28 Feb
6-8 wk
11 Apr
3 wk before
4 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Greenhouse
27 Mar – 10 Apr
6-8 wk
22 May
4 wk after
29 May
5 wk after
Dahlia
Dahlia × pinnata
Greenhouse
21 Mar – 4 Apr
6-8 wk
16 May
3 wk after
Dahlia (tubers)
Dahlia × pinnata
13 Apr – 11 May
4-8 wk
8 Jun
7 wk after
21 May
4 wk after
Foxglove
Digitalis purpurea
31 Jan – 14 Feb
8-10 wk
11 Apr
3 wk before
9 May
2 wk after
Busy lizzie
Impatiens walleriana
Greenhouse
14 Mar – 11 Apr
8-12 wk
6 Jun
6 wk after
Creeping zinnia
Sanvitalia procumbens
Greenhouse
27 Mar – 10 Apr
6-8 wk
22 May
4 wk after
Hyacinth bean
Dolichos lablab
Season too short
10 – 24 May
4-6 wk
21 Jun
8 wk after
Chinese lantern
Physalis alkekengi
Fleece
7 – 21 Mar
8-10 wk
16 May
3 wk after
Love in a mist
Nigella damascena
22 Apr
1 wk before
Strawflower
Xerochrysum bracteatum
Greenhouse
27 Mar – 10 Apr
6-8 wk
22 May
4 wk after
29 May
5 wk after
Tall verbena
Verbena bonariensis
Fleece
21 Feb – 21 Mar
8-12 wk
16 May
3 wk after
Cardoon
Cynara cardunculus
Season too short
27 Feb – 27 Mar
8-12 wk
22 May
4 wk after
Regal-foxtail
Ptilotus nobilis
Season too short
14 Mar – 11 Apr
8-12 wk
6 Jun
6 wk after
Globe amaranth
Gomphrena globosa
Season too short
11 – 25 Apr
6-8 wk
6 Jun
6 wk after
Corn poppy
Papaver rhoeas
22 Apr
1 wk before
Snapdragon
Antirrhinum majus
25 Jan – 22 Feb
8-12 wk
19 Apr
1 wk before
4 May
1 wk after
Flossflower
Ageratum houstonianum
Season too short
28 Mar – 11 Apr
8-10 wk
6 Jun
6 wk after
Sweet pea
Lathyrus odoratus
14 Feb – 7 Mar
5-8 wk
11 Apr
3 wk before
Stock
Matthiola incana
22 Feb – 8 Mar
6-8 wk
19 Apr
1 wk before
9 May
2 wk after
Wormwood
Artemisia absinthium
14 – 28 Feb
6-8 wk
11 Apr
3 wk before
9 May
2 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
25 Apr – 9 May
4-6 wk
6 Jun
6 wk after
Pansy
Viola × wittrockiana
22 Jan – 5 Feb
8-10 wk
2 Apr
4 wk before
4 May
1 wk after
Petunia
Petunia
Greenhouse
27 Feb – 27 Mar
8-12 wk
22 May
4 wk after
Scabious
Scabiosa atropurpurea
Fleece
21 Mar – 4 Apr
6-8 wk
16 May
3 wk after
22 May
4 wk after
Zinnia
Zinnia elegans
Greenhouse
10 – 24 Apr
4-6 wk
22 May
4 wk after
Common morning glory
Ipomoea purpurea
Season too short
2 – 16 May
3-5 wk
6 Jun
6 wk after
Cosmos
Cosmos bipinnatus
Greenhouse
10 – 24 Apr
4-6 wk
22 May
4 wk after
9 May
2 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
29 Mar – 26 Apr
8-12 wk
21 Jun
8 wk after
Bee balm
Monarda didyma
1 Feb – 1 Mar
8-12 wk
26 Apr
Vid frost
21 May
4 wk after
Yarrow
Achillea millefolium
14 – 28 Feb
6-8 wk
11 Apr
3 wk before
9 May
2 wk after
Safflower
Carthamus tinctorius
11 Apr
3 wk before
22 Apr
1 wk before
Iceland poppy
Papaver nudicaule
5 – 19 Feb
6-8 wk
2 Apr
4 wk before
18 Apr
2 wk before
Bishop's flower
Ammi majus
26 Mar – 9 Apr
4-6 wk
7 May
2 wk after
9 May
2 wk after
Drumsticks
Pycnosorus globosus
Season too short
14 – 28 Mar
10-12 wk
6 Jun
6 wk after
Sunflower
Helianthus annuus
Greenhouse
24 Apr – 1 May
3-4 wk
22 May
4 wk after
25 Apr
China aster
Callistephus chinensis
Greenhouse
27 Mar – 10 Apr
6-8 wk
22 May
4 wk after
9 May
2 wk after
Annual phlox
Phlox drummondii
Fleece
27 Mar – 10 Apr
6-8 wk
22 May
4 wk after
22 May
4 wk after
Hollyhock
Alcea rosea
14 – 28 Feb
6-8 wk
11 Apr
3 wk before
9 May
2 wk after
Delphinium
Delphinium elatum
18 Feb – 18 Mar
8-12 wk
13 May
3 wk after
21 May
4 wk after
African marigold
Tagetes erecta
Greenhouse
27 Mar – 10 Apr
6-8 wk
22 May
4 wk after
Black-eyed Susan
Rudbeckia hirta
Fleece
21 Mar – 4 Apr
6-8 wk
16 May
3 wk after
22 May
4 wk after
Woodland sage
Salvia nemorosa
21 Feb – 7 Mar
8-10 wk
2 May
1 wk after
21 May
4 wk after
Black-eyed susan vine
Thunbergia alata
Season too short
28 Mar – 25 Apr
6-10 wk
6 Jun
6 wk after
California goldenpoppy
Eschscholzia californica
22 Apr
1 wk before
Painted tongue
Salpiglossis sinuata
Greenhouse
13 – 27 Mar
8-10 wk
22 May
4 wk after
Water forget-me-not
Myosotis scorpioides
14 – 28 Feb
6-8 wk
11 Apr
3 wk before
9 May
2 wk after
Current date Soon Date passed