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-2.8°
Slight frost tomorrow morning at 07:00. Frost temperatures between tomorrow 02:00 – 09:00. Bring in or cover sensitive plants
0.2°
Last 24h: Near frost recorded this morning at 07:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 11 May Frost 1 of 4 years · 20 years of data
Frost-free season 161 days 11 May – 19 Oct
Probability that frost is over

75% = 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)
Greenhouse
28 Mar – 11 Apr
5-7 wk
16 May
1 wk after
29 Apr
2 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
16 – 30 Apr
4-6 wk
28 May
3 wk after
7 May
1 wk after
Chili pepper
Capsicum annuum
Greenhouse
25 Mar – 22 Apr
8-12 wk
17 Jun
5 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
27 Feb – 13 Mar
5-7 wk
17 Apr
3 wk before
3 May
Vid frost
Cucumber
Cucumis sativus
Greenhouse
20 – 27 May
3-4 wk
17 Jun
5 wk after
Florence Fennel
Foeniculum vulgare
Greenhouse
13 – 20 May
4-5 wk
17 Jun
5 wk after
1 Jun
3 wk after
Butter bean
Phaseolus lunatus
Season too short
1 – 8 Jun
3-4 wk
29 Jun
7 wk after
Onion
Allium cepa (Cepa-gruppen)
16 Feb – 16 Mar
8-12 wk
11 May
Vid frost
24 May
3 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
24 May
3 wk after
Sweetcorn
Zea mays
Greenhouse
24 – 31 May
3-4 wk
21 Jun
6 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
13 – 20 May
3-4 wk
10 Jun
5 wk after
24 May
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
3 May
Vid frost
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
27 Feb – 13 Mar
5-7 wk
17 Apr
3 wk before
3 May
Vid frost
Potato
Solanum tuberosum
17 – 31 May
4-6 wk
28 Jun
7 wk after
19 May
2 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
27 Feb – 13 Mar
5-7 wk
17 Apr
3 wk before
7 May
1 wk after
Pumpkin
Cucurbita pepo
Fleece
29 May – 5 Jun
3-4 wk
26 Jun
7 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
13 – 20 May
3-4 wk
10 Jun
5 wk after
24 May
3 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
16 – 30 Apr
4-6 wk
28 May
3 wk after
Lettuce
Lactuca sativa
6 – 13 Apr
3-4 wk
4 May
1 wk before
7 May
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
23 Mar – 6 Apr
4-6 wk
4 May
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
29 Mar – 12 Apr
2-4 wk
26 Apr
2 wk before
3 May
Vid frost
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
7 May
1 wk after
Spinach
Spinacia oleracea
29 Mar – 5 Apr
3-4 wk
26 Apr
2 wk before
28 Apr
1 wk before
Sweet potato
Ipomoea batatas
29 May – 12 Jun
4-6 wk
10 Jul
8 wk after
Tomato
Solanum lycopersicum
Fleece
22 Apr – 6 May
6-8 wk
17 Jun
5 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
Fleece
20 May – 3 Jun
2-4 wk
17 Jun
5 wk after
15 Jun
5 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
16 – 30 Apr
4-6 wk
28 May
3 wk after
Pea
Pisum sativum
29 Mar – 5 Apr
3-4 wk
26 Apr
2 wk before
7 May
1 wk after
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
Greenhouse
10 – 24 May
4-6 wk
21 Jun
6 wk after
Lemon balm
Melissa officinalis
2 – 16 Mar
8-10 wk
11 May
Vid frost
5 Jun
5 wk after
Dill
Anethum graveolens
7 May
1 wk after
Chives
Allium schoenoprasum
20 Feb – 6 Mar
6-8 wk
17 Apr
3 wk before
7 May
1 wk after
Spearmint
Mentha spicata
1 Feb – 1 Mar
8-12 wk
26 Apr
2 wk before
5 Jun
5 wk after
Coriander
Coriandrum sativum
24 May
3 wk after
Sage
Salvia officinalis
1 – 15 Apr
8-10 wk
10 Jun
5 wk after
Thyme
Thymus vulgaris
19 Mar – 2 Apr
8-10 wk
28 May
3 wk after
Oregano
Origanum vulgare
22 Mar – 5 Apr
6-8 wk
17 May
1 wk after
5 Jun
5 wk after
Parsley
Petroselinum crispum
1 – 15 Mar
6-8 wk
26 Apr
2 wk before
7 May
1 wk after
Rosemary
Salvia rosmarinus
Fleece
21 Feb – 21 Mar
10-14 wk
30 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
29 May – 5 Jun
3-4 wk
26 Jun
7 wk after
Cornflower
Centaurea cyanus
26 Apr
2 wk before
7 May
1 wk after
Statice
Limonium sinuatum
Fleece
8 – 22 Apr
8-10 wk
17 Jun
5 wk after
Sweet William
Dianthus barbatus
1 – 15 Mar
6-8 wk
26 Apr
2 wk before
19 May
2 wk after
Snow-on-the-mountain
Euphorbia marginata
Fleece
22 Apr – 6 May
6-8 wk
17 Jun
5 wk after
9 Jul
8 wk after
Dahlia
Dahlia × pinnata
Fleece
17 Apr – 1 May
6-8 wk
12 Jun
5 wk after
Dahlia (tubers)
Dahlia × pinnata
28 Apr – 26 May
4-8 wk
23 Jun
6 wk after
5 Jun
5 wk after
Foxglove
Digitalis purpurea
15 Feb – 1 Mar
8-10 wk
26 Apr
2 wk before
24 May
3 wk after
Busy lizzie
Impatiens walleriana
Fleece
3 Apr – 1 May
8-12 wk
26 Jun
7 wk after
Creeping zinnia
Sanvitalia procumbens
Fleece
22 Apr – 6 May
6-8 wk
17 Jun
5 wk after
Hyacinth bean
Dolichos lablab
Season too short
15 – 29 May
4-6 wk
26 Jun
7 wk after
Chinese lantern
Physalis alkekengi
Fleece
21 Mar – 4 Apr
8-10 wk
30 May
3 wk after
Love in a mist
Nigella damascena
7 May
1 wk after
Strawflower
Xerochrysum bracteatum
Greenhouse
10 – 24 Apr
6-8 wk
5 Jun
4 wk after
21 Jun
6 wk after
Tall verbena
Verbena bonariensis
Fleece
7 Mar – 4 Apr
8-12 wk
30 May
3 wk after
Cardoon
Cynara cardunculus
Season too short
13 Mar – 10 Apr
8-12 wk
5 Jun
4 wk after
Regal-foxtail
Ptilotus nobilis
Season too short
25 Mar – 22 Apr
8-12 wk
17 Jun
5 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
22 Apr – 6 May
6-8 wk
17 Jun
5 wk after
Corn poppy
Papaver rhoeas
7 May
1 wk after
Snapdragon
Antirrhinum majus
9 Feb – 9 Mar
8-12 wk
4 May
1 wk before
19 May
2 wk after
Flossflower
Ageratum houstonianum
Greenhouse
8 – 22 Apr
8-10 wk
17 Jun
5 wk after
Sweet pea
Lathyrus odoratus
1 – 22 Mar
5-8 wk
26 Apr
2 wk before
Stock
Matthiola incana
9 – 23 Mar
6-8 wk
4 May
1 wk before
24 May
3 wk after
Wormwood
Artemisia absinthium
1 – 15 Mar
6-8 wk
26 Apr
2 wk before
24 May
3 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
6 – 20 May
4-6 wk
17 Jun
5 wk after
Pansy
Viola × wittrockiana
6 – 20 Feb
8-10 wk
17 Apr
3 wk before
19 May
2 wk after
Petunia
Petunia
Greenhouse
13 Mar – 10 Apr
8-12 wk
5 Jun
4 wk after
Scabious
Scabiosa atropurpurea
Fleece
4 – 18 Apr
6-8 wk
30 May
3 wk after
15 Jun
5 wk after
Zinnia
Zinnia elegans
Fleece
6 – 20 May
4-6 wk
17 Jun
5 wk after
Common morning glory
Ipomoea purpurea
Greenhouse
13 – 27 May
3-5 wk
17 Jun
5 wk after
Cosmos
Cosmos bipinnatus
Fleece
6 – 20 May
4-6 wk
17 Jun
5 wk after
15 Jun
5 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
3 Apr – 1 May
8-12 wk
26 Jun
7 wk after
Bee balm
Monarda didyma
16 Feb – 16 Mar
8-12 wk
11 May
Vid frost
5 Jun
5 wk after
Yarrow
Achillea millefolium
1 – 15 Mar
6-8 wk
26 Apr
2 wk before
24 May
3 wk after
Safflower
Carthamus tinctorius
26 Apr
2 wk before
7 May
1 wk after
Iceland poppy
Papaver nudicaule
20 Feb – 6 Mar
6-8 wk
17 Apr
3 wk before
3 May
Vid frost
Bishop's flower
Ammi majus
10 – 24 Apr
4-6 wk
22 May
1 wk after
24 May
3 wk after
Drumsticks
Pycnosorus globosus
Season too short
25 Mar – 8 Apr
10-12 wk
17 Jun
5 wk after
Sunflower
Helianthus annuus
Greenhouse
8 – 15 May
3-4 wk
5 Jun
4 wk after
21 May
1 wk after
China aster
Callistephus chinensis
Greenhouse
10 – 24 Apr
6-8 wk
5 Jun
4 wk after
1 Jun
3 wk after
Annual phlox
Phlox drummondii
21 Apr – 5 May
6-8 wk
16 Jun
5 wk after
21 Jun
7 wk after
Hollyhock
Alcea rosea
1 – 15 Mar
6-8 wk
26 Apr
2 wk before
24 May
3 wk after
Delphinium
Delphinium elatum
5 Mar – 2 Apr
8-12 wk
28 May
3 wk after
5 Jun
5 wk after
African marigold
Tagetes erecta
Fleece
22 Apr – 6 May
6-8 wk
17 Jun
5 wk after
Black-eyed Susan
Rudbeckia hirta
15 – 29 Apr
6-8 wk
10 Jun
5 wk after
21 Jun
7 wk after
Woodland sage
Salvia nemorosa
8 – 22 Mar
8-10 wk
17 May
1 wk after
5 Jun
5 wk after
Black-eyed susan vine
Thunbergia alata
Greenhouse
8 Apr – 6 May
6-10 wk
17 Jun
5 wk after
California goldenpoppy
Eschscholzia californica
7 May
1 wk after
Painted tongue
Salpiglossis sinuata
Fleece
8 – 22 Apr
8-10 wk
17 Jun
5 wk after
Water forget-me-not
Myosotis scorpioides
1 – 15 Mar
6-8 wk
26 Apr
2 wk before
24 May
3 wk after
Current date Soon Date passed