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-1.4°
Slight frost tomorrow morning at 07:00. Frost temperatures between tomorrow 03:00 – 09:00. Bring in or cover sensitive plants
1.0°
Last 24h: Near frost recorded this morning at 06:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 25 May Frost 1 of 10 years · 20 years of data
Frost-free season 149 days 25 May – 21 Oct
Probability that frost is over

90% = 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
12 – 26 Apr
5-7 wk
31 May
1 wk after
26 Apr
4 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
30 Apr – 14 May
4-6 wk
11 Jun
2 wk after
21 May
1 wk before
Chili pepper
Capsicum annuum
Greenhouse
6 Apr – 4 May
8-12 wk
29 Jun
5 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
13 – 27 Mar
5-7 wk
1 May
4 wk before
17 May
2 wk before
Cucumber
Cucumis sativus
Greenhouse
1 – 8 Jun
3-4 wk
29 Jun
5 wk after
Florence Fennel
Foeniculum vulgare
Greenhouse
25 May – 1 Jun
4-5 wk
29 Jun
5 wk after
4 Jun
1 wk after
Butter bean
Phaseolus lunatus
Greenhouse
2 – 9 Jun
3-4 wk
30 Jun
5 wk after
Onion
Allium cepa (Cepa-gruppen)
2 – 30 Mar
8-12 wk
25 May
Vid frost
7 Jun
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
7 Jun
1 wk after
Sweetcorn
Zea mays
Fleece
12 – 19 Jun
3-4 wk
10 Jul
7 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
27 May – 3 Jun
3-4 wk
24 Jun
4 wk after
7 Jun
1 wk after
Carrot
Daucus carota subsp. sativus var. sativus
17 May
2 wk before
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
13 – 27 Mar
5-7 wk
1 May
4 wk before
17 May
2 wk before
Potato
Solanum tuberosum
31 May – 14 Jun
4-6 wk
12 Jul
7 wk after
2 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
13 – 27 Mar
5-7 wk
1 May
4 wk before
21 May
1 wk before
Pumpkin
Cucurbita pepo
Fleece
13 – 20 Jun
3-4 wk
11 Jul
7 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
27 May – 3 Jun
3-4 wk
24 Jun
4 wk after
7 Jun
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
30 Apr – 14 May
4-6 wk
11 Jun
2 wk after
Lettuce
Lactuca sativa
20 – 27 Apr
3-4 wk
18 May
1 wk before
21 May
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
6 – 20 Apr
4-6 wk
18 May
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
12 – 26 Apr
2-4 wk
10 May
2 wk before
17 May
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
21 May
1 wk before
Spinach
Spinacia oleracea
12 – 19 Apr
3-4 wk
10 May
2 wk before
12 May
3 wk before
Sweet potato
Ipomoea batatas
12 – 26 Jun
4-6 wk
24 Jul
8 wk after
Tomato
Solanum lycopersicum
Fleece
4 – 18 May
6-8 wk
29 Jun
5 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
Fleece
1 – 15 Jun
2-4 wk
29 Jun
5 wk after
15 Jun
3 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
30 Apr – 14 May
4-6 wk
11 Jun
2 wk after
Pea
Pisum sativum
12 – 19 Apr
3-4 wk
10 May
2 wk before
21 May
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
29 May – 12 Jun
4-6 wk
10 Jul
7 wk after
Lemon balm
Melissa officinalis
16 – 30 Mar
8-10 wk
25 May
Vid frost
19 Jun
3 wk after
Dill
Anethum graveolens
21 May
1 wk before
Chives
Allium schoenoprasum
6 – 20 Mar
6-8 wk
1 May
4 wk before
21 May
1 wk before
Spearmint
Mentha spicata
15 Feb – 15 Mar
8-12 wk
10 May
2 wk before
19 Jun
3 wk after
Coriander
Coriandrum sativum
7 Jun
1 wk after
Sage
Salvia officinalis
15 – 29 Apr
8-10 wk
24 Jun
4 wk after
Thyme
Thymus vulgaris
2 – 16 Apr
8-10 wk
11 Jun
2 wk after
Oregano
Origanum vulgare
5 – 19 Apr
6-8 wk
31 May
1 wk after
19 Jun
3 wk after
Parsley
Petroselinum crispum
15 – 29 Mar
6-8 wk
10 May
2 wk before
21 May
1 wk before
Rosemary
Salvia rosmarinus
Fleece
2 – 30 Mar
10-14 wk
8 Jun
2 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
13 – 20 Jun
3-4 wk
11 Jul
7 wk after
Cornflower
Centaurea cyanus
10 May
2 wk before
21 May
1 wk before
Statice
Limonium sinuatum
Fleece
20 Apr – 4 May
8-10 wk
29 Jun
5 wk after
Sweet William
Dianthus barbatus
15 – 29 Mar
6-8 wk
10 May
2 wk before
2 Jun
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Fleece
4 – 18 May
6-8 wk
29 Jun
5 wk after
10 Jul
7 wk after
Dahlia
Dahlia × pinnata
Fleece
28 Apr – 12 May
6-8 wk
23 Jun
4 wk after
Dahlia (tubers)
Dahlia × pinnata
12 May – 9 Jun
4-8 wk
7 Jul
6 wk after
19 Jun
3 wk after
Foxglove
Digitalis purpurea
1 – 15 Mar
8-10 wk
10 May
2 wk before
7 Jun
1 wk after
Busy lizzie
Impatiens walleriana
27 Apr – 25 May
8-12 wk
20 Jul
8 wk after
Creeping zinnia
Sanvitalia procumbens
Fleece
4 – 18 May
6-8 wk
29 Jun
5 wk after
Hyacinth bean
Dolichos lablab
Season too short
30 May – 13 Jun
4-6 wk
11 Jul
7 wk after
Chinese lantern
Physalis alkekengi
Fleece
30 Mar – 13 Apr
8-10 wk
8 Jun
2 wk after
Love in a mist
Nigella damascena
21 May
1 wk before
Strawflower
Xerochrysum bracteatum
Greenhouse
21 Apr – 5 May
6-8 wk
16 Jun
3 wk after
22 Jun
4 wk after
Tall verbena
Verbena bonariensis
Fleece
16 Mar – 13 Apr
8-12 wk
8 Jun
2 wk after
Cardoon
Cynara cardunculus
Season too short
24 Mar – 21 Apr
8-12 wk
16 Jun
3 wk after
Regal-foxtail
Ptilotus nobilis
Greenhouse
6 Apr – 4 May
8-12 wk
29 Jun
5 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
4 – 18 May
6-8 wk
29 Jun
5 wk after
Corn poppy
Papaver rhoeas
21 May
1 wk before
Snapdragon
Antirrhinum majus
23 Feb – 23 Mar
8-12 wk
18 May
1 wk before
2 Jun
1 wk after
Flossflower
Ageratum houstonianum
Greenhouse
20 Apr – 4 May
8-10 wk
29 Jun
5 wk after
Sweet pea
Lathyrus odoratus
15 Mar – 5 Apr
5-8 wk
10 May
2 wk before
Stock
Matthiola incana
23 Mar – 6 Apr
6-8 wk
18 May
1 wk before
7 Jun
1 wk after
Wormwood
Artemisia absinthium
15 – 29 Mar
6-8 wk
10 May
2 wk before
7 Jun
1 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
18 May – 1 Jun
4-6 wk
29 Jun
5 wk after
Pansy
Viola × wittrockiana
20 Feb – 6 Mar
8-10 wk
1 May
4 wk before
2 Jun
1 wk after
Petunia
Petunia
Fleece
6 Apr – 4 May
8-12 wk
29 Jun
5 wk after
Scabious
Scabiosa atropurpurea
Fleece
13 – 27 Apr
6-8 wk
8 Jun
2 wk after
15 Jun
3 wk after
Zinnia
Zinnia elegans
Fleece
18 May – 1 Jun
4-6 wk
29 Jun
5 wk after
Common morning glory
Ipomoea purpurea
Greenhouse
25 May – 8 Jun
3-5 wk
29 Jun
5 wk after
Cosmos
Cosmos bipinnatus
Fleece
18 May – 1 Jun
4-6 wk
29 Jun
5 wk after
15 Jun
3 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
18 Apr – 16 May
8-12 wk
11 Jul
7 wk after
Bee balm
Monarda didyma
2 – 30 Mar
8-12 wk
25 May
Vid frost
19 Jun
3 wk after
Yarrow
Achillea millefolium
15 – 29 Mar
6-8 wk
10 May
2 wk before
7 Jun
1 wk after
Safflower
Carthamus tinctorius
10 May
2 wk before
21 May
1 wk before
Iceland poppy
Papaver nudicaule
6 – 20 Mar
6-8 wk
1 May
4 wk before
17 May
2 wk before
Bishop's flower
Ammi majus
24 Apr – 8 May
4-6 wk
5 Jun
1 wk after
7 Jun
1 wk after
Drumsticks
Pycnosorus globosus
Season too short
6 – 20 Apr
10-12 wk
29 Jun
5 wk after
Sunflower
Helianthus annuus
Fleece
1 – 8 Jun
3-4 wk
29 Jun
5 wk after
4 Jun
1 wk after
China aster
Callistephus chinensis
Greenhouse
21 Apr – 5 May
6-8 wk
16 Jun
3 wk after
4 Jun
1 wk after
Annual phlox
Phlox drummondii
5 – 19 May
6-8 wk
30 Jun
5 wk after
5 Jul
5 wk after
Hollyhock
Alcea rosea
15 – 29 Mar
6-8 wk
10 May
2 wk before
7 Jun
1 wk after
Delphinium
Delphinium elatum
19 Mar – 16 Apr
8-12 wk
11 Jun
2 wk after
19 Jun
3 wk after
African marigold
Tagetes erecta
Fleece
4 – 18 May
6-8 wk
29 Jun
5 wk after
Black-eyed Susan
Rudbeckia hirta
29 Apr – 13 May
6-8 wk
24 Jun
4 wk after
5 Jul
5 wk after
Woodland sage
Salvia nemorosa
22 Mar – 5 Apr
8-10 wk
31 May
1 wk after
19 Jun
3 wk after
Black-eyed susan vine
Thunbergia alata
Greenhouse
20 Apr – 18 May
6-10 wk
29 Jun
5 wk after
California goldenpoppy
Eschscholzia californica
21 May
1 wk before
Painted tongue
Salpiglossis sinuata
Fleece
20 Apr – 4 May
8-10 wk
29 Jun
5 wk after
Water forget-me-not
Myosotis scorpioides
15 – 29 Mar
6-8 wk
10 May
2 wk before
7 Jun
1 wk after
Current date Soon Date passed