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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) 22 May Frost 1 of 10 years · 20 years of data
Frost-free season 161 days 22 May – 30 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
18 Apr
5 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
27 Apr – 11 May
4-6 wk
8 Jun
3 wk after
18 May
1 wk before
Chili pepper
Capsicum annuum
Season too short
9 Apr – 7 May
8-12 wk
2 Jul
6 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
10 – 24 Mar
5-7 wk
28 Apr
4 wk before
14 May
2 wk before
Cucumber
Cucumis sativus
Greenhouse
4 – 11 Jun
3-4 wk
2 Jul
6 wk after
Florence Fennel
Foeniculum vulgare
Season too short
28 May – 4 Jun
4-5 wk
2 Jul
6 wk after
4 Jun
2 wk after
Butter bean
Phaseolus lunatus
Season too short
4 – 11 Jun
3-4 wk
2 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
27 Feb – 27 Mar
8-12 wk
22 May
Vid frost
4 Jun
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
4 Jun
2 wk after
Sweetcorn
Zea mays
Greenhouse
27 May – 3 Jun
3-4 wk
24 Jun
5 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
24 – 31 May
3-4 wk
21 Jun
5 wk after
4 Jun
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
14 May
2 wk before
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
10 – 24 Mar
5-7 wk
28 Apr
4 wk before
14 May
2 wk before
Potato
Solanum tuberosum
28 May – 11 Jun
4-6 wk
9 Jul
8 wk after
30 May
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
10 – 24 Mar
5-7 wk
28 Apr
4 wk before
18 May
1 wk before
Pumpkin
Cucurbita pepo
Greenhouse
4 – 11 Jun
3-4 wk
2 Jul
6 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
24 – 31 May
3-4 wk
21 Jun
5 wk after
4 Jun
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
27 Apr – 11 May
4-6 wk
8 Jun
3 wk after
Lettuce
Lactuca sativa
17 – 24 Apr
3-4 wk
15 May
1 wk before
18 May
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
3 – 17 Apr
4-6 wk
15 May
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
9 – 23 Apr
2-4 wk
7 May
3 wk before
14 May
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
18 May
1 wk before
Spinach
Spinacia oleracea
9 – 16 Apr
3-4 wk
7 May
3 wk before
9 May
3 wk before
Sweet potato
Ipomoea batatas
9 – 23 Jun
4-6 wk
21 Jul
11 wk after
Tomato
Solanum lycopersicum
Greenhouse
22 Apr – 6 May
6-8 wk
17 Jun
4 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
Fleece
4 – 18 Jun
2-4 wk
2 Jul
6 wk after
17 Jun
4 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
27 Apr – 11 May
4-6 wk
8 Jun
3 wk after
Pea
Pisum sativum
9 – 16 Apr
3-4 wk
7 May
3 wk before
18 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
Greenhouse
13 – 27 May
4-6 wk
24 Jun
5 wk after
Lemon balm
Melissa officinalis
13 – 27 Mar
8-10 wk
22 May
Vid frost
16 Jun
4 wk after
Dill
Anethum graveolens
18 May
1 wk before
Chives
Allium schoenoprasum
3 – 17 Mar
6-8 wk
28 Apr
4 wk before
18 May
1 wk before
Spearmint
Mentha spicata
12 Feb – 12 Mar
8-12 wk
7 May
3 wk before
16 Jun
4 wk after
Coriander
Coriandrum sativum
4 Jun
2 wk after
Sage
Salvia officinalis
Fleece
2 – 16 Apr
8-10 wk
11 Jun
3 wk after
Thyme
Thymus vulgaris
30 Mar – 13 Apr
8-10 wk
8 Jun
3 wk after
Oregano
Origanum vulgare
2 – 16 Apr
6-8 wk
28 May
1 wk after
16 Jun
4 wk after
Parsley
Petroselinum crispum
12 – 26 Mar
6-8 wk
7 May
3 wk before
18 May
1 wk before
Rosemary
Salvia rosmarinus
Fleece
5 Mar – 2 Apr
10-14 wk
11 Jun
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
19 – 26 Jun
3-4 wk
17 Jul
8 wk after
Cornflower
Centaurea cyanus
7 May
3 wk before
18 May
1 wk before
Statice
Limonium sinuatum
Greenhouse
8 – 22 Apr
8-10 wk
17 Jun
4 wk after
Sweet William
Dianthus barbatus
12 – 26 Mar
6-8 wk
7 May
3 wk before
30 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Greenhouse
22 Apr – 6 May
6-8 wk
17 Jun
4 wk after
24 Jun
5 wk after
Dahlia
Dahlia × pinnata
Greenhouse
16 – 30 Apr
6-8 wk
11 Jun
3 wk after
Dahlia (tubers)
Dahlia × pinnata
9 May – 6 Jun
4-8 wk
4 Jul
7 wk after
16 Jun
4 wk after
Foxglove
Digitalis purpurea
26 Feb – 12 Mar
8-10 wk
7 May
3 wk before
4 Jun
2 wk after
Busy lizzie
Impatiens walleriana
Fleece
24 Apr – 22 May
8-12 wk
17 Jul
8 wk after
Creeping zinnia
Sanvitalia procumbens
Fleece
7 – 21 May
6-8 wk
2 Jul
6 wk after
Hyacinth bean
Dolichos lablab
Season too short
5 – 19 Jun
4-6 wk
17 Jul
8 wk after
Chinese lantern
Physalis alkekengi
Fleece
2 – 16 Apr
8-10 wk
11 Jun
3 wk after
Love in a mist
Nigella damascena
18 May
1 wk before
Strawflower
Xerochrysum bracteatum
Greenhouse
22 Apr – 6 May
6-8 wk
17 Jun
4 wk after
24 Jun
5 wk after
Tall verbena
Verbena bonariensis
Fleece
19 Mar – 16 Apr
8-12 wk
11 Jun
3 wk after
Cardoon
Cynara cardunculus
Season too short
25 Mar – 22 Apr
8-12 wk
17 Jun
4 wk after
Regal-foxtail
Ptilotus nobilis
Season too short
9 Apr – 7 May
8-12 wk
2 Jul
6 wk after
Globe amaranth
Gomphrena globosa
Season too short
7 – 21 May
6-8 wk
2 Jul
6 wk after
Corn poppy
Papaver rhoeas
18 May
1 wk before
Snapdragon
Antirrhinum majus
20 Feb – 20 Mar
8-12 wk
15 May
1 wk before
30 May
1 wk after
Flossflower
Ageratum houstonianum
Season too short
23 Apr – 7 May
8-10 wk
2 Jul
6 wk after
Sweet pea
Lathyrus odoratus
12 Mar – 2 Apr
5-8 wk
7 May
3 wk before
Stock
Matthiola incana
20 Mar – 3 Apr
6-8 wk
15 May
1 wk before
4 Jun
2 wk after
Wormwood
Artemisia absinthium
12 – 26 Mar
6-8 wk
7 May
3 wk before
4 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
21 May – 4 Jun
4-6 wk
2 Jul
6 wk after
Pansy
Viola × wittrockiana
17 Feb – 3 Mar
8-10 wk
28 Apr
4 wk before
30 May
1 wk after
Petunia
Petunia
Greenhouse
25 Mar – 22 Apr
8-12 wk
17 Jun
4 wk after
Scabious
Scabiosa atropurpurea
Fleece
16 – 30 Apr
6-8 wk
11 Jun
3 wk after
17 Jun
4 wk after
Zinnia
Zinnia elegans
Greenhouse
6 – 20 May
4-6 wk
17 Jun
4 wk after
Common morning glory
Ipomoea purpurea
Greenhouse
28 May – 11 Jun
3-5 wk
2 Jul
6 wk after
Cosmos
Cosmos bipinnatus
Greenhouse
6 – 20 May
4-6 wk
17 Jun
4 wk after
4 Jun
2 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
24 Apr – 22 May
8-12 wk
17 Jul
8 wk after
Bee balm
Monarda didyma
27 Feb – 27 Mar
8-12 wk
22 May
Vid frost
16 Jun
4 wk after
Yarrow
Achillea millefolium
12 – 26 Mar
6-8 wk
7 May
3 wk before
4 Jun
2 wk after
Safflower
Carthamus tinctorius
7 May
3 wk before
18 May
1 wk before
Iceland poppy
Papaver nudicaule
3 – 17 Mar
6-8 wk
28 Apr
4 wk before
14 May
2 wk before
Bishop's flower
Ammi majus
21 Apr – 5 May
4-6 wk
2 Jun
2 wk after
4 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Season too short
9 – 23 Apr
10-12 wk
2 Jul
6 wk after
Sunflower
Helianthus annuus
Greenhouse
20 – 27 May
3-4 wk
17 Jun
4 wk after
21 May
China aster
Callistephus chinensis
Greenhouse
22 Apr – 6 May
6-8 wk
17 Jun
4 wk after
4 Jun
2 wk after
Annual phlox
Phlox drummondii
2 – 16 May
6-8 wk
27 Jun
6 wk after
2 Jul
6 wk after
Hollyhock
Alcea rosea
12 – 26 Mar
6-8 wk
7 May
3 wk before
4 Jun
2 wk after
Delphinium
Delphinium elatum
16 Mar – 13 Apr
8-12 wk
8 Jun
3 wk after
16 Jun
4 wk after
African marigold
Tagetes erecta
Greenhouse
22 Apr – 6 May
6-8 wk
17 Jun
4 wk after
Black-eyed Susan
Rudbeckia hirta
Fleece
16 – 30 Apr
6-8 wk
11 Jun
3 wk after
17 Jun
4 wk after
Woodland sage
Salvia nemorosa
19 Mar – 2 Apr
8-10 wk
28 May
1 wk after
16 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
Season too short
23 Apr – 21 May
6-10 wk
2 Jul
6 wk after
California goldenpoppy
Eschscholzia californica
18 May
1 wk before
Painted tongue
Salpiglossis sinuata
Greenhouse
8 – 22 Apr
8-10 wk
17 Jun
4 wk after
Water forget-me-not
Myosotis scorpioides
12 – 26 Mar
6-8 wk
7 May
3 wk before
4 Jun
2 wk after
Current date Soon Date passed