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-0.7°
Slight frost tomorrow morning at 06:00. 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) 3 May Frost 3 of 4 years · 20 years of data
Frost-free season 153 days 3 May – 3 Oct
Probability that frost is over

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