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0.8°
Near frost tonight at 05:00. Bring in or cover sensitive plants
-0.3°
Last 24h: Slight frost recorded tonight at 05:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 30 May Frost 1 of 10 years · 20 years of data
Frost-free season 149 days 30 May – 26 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
Earliest Latest Growing time Earliest Latest Rel. frost Earliest Latest Rel. frost
Cauliflower
Brassica oleracea (Botrytis-gruppen)
11 – 25 Apr
21 Jun
5-7 wk
30 May
26 Jul
0 wk
24 May
16 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
18 Apr – 2 May
3 Jul
4-6 wk
30 May
31 Jul
0 wk
24 May
21 Jul
1 wk before
Chili pepper
Capsicum annuum
Season too short
25 Mar – 22 Apr
8-12 wk
17 Jun
3 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
11 – 25 Apr
16 Jun
5-7 wk
30 May
21 Jul
0 wk
17 May
11 Jul
2 wk before
Garden cucumber
Cucumis sativus
Fleece
29 May – 5 Jun
3-4 wk
26 Jun
4 wk after
Florence Fennel
Foeniculum vulgare
5 – 12 Jun
13 Jun
4-5 wk
10 Jul
11 Jul
6 wk after
10 Jul
6 wk after
Butter bean
Phaseolus lunatus
Season too short
22 – 29 Jun
3-4 wk
20 Jul
7 wk after
Onion
Allium cepa (Cepa-gruppen)
7 Mar – 4 Apr
6 Apr
8-12 wk
30 May
1 Jun
0 wk
12 Jun
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
24 May
21 Jun
1 wk before
24 May
11 Jun
1 wk before
Maize
Zea mays
Fleece
20 – 27 May
3-4 wk
17 Jun
3 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
2 – 9 May
10 Jul
3-4 wk
30 May
31 Jul
0 wk
12 Jun
21 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
30 May
11 Jul
0 wk
17 May
1 Jul
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
11 – 25 Apr
16 Jun
5-7 wk
30 May
21 Jul
0 wk
17 May
11 Jul
2 wk before
Potato
Solanum tuberosum
23 Apr – 7 May
13 Jun
4-6 wk
4 Jun
11 Jul
1 wk after
4 Jun
1 Jul
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
11 – 25 Apr
26 Jun
5-7 wk
30 May
31 Jul
0 wk
24 May
21 Jul
1 wk before
Pumpkin
Cucurbita pepo
12 – 19 Jun
3-4 wk
10 Jul
6 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
2 – 9 May
5 Jul
3-4 wk
30 May
26 Jul
0 wk
12 Jun
16 Jul
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
18 Apr – 2 May
28 Jun
4-6 wk
30 May
26 Jul
0 wk
Lettuce
Lactuca sativa
2 – 9 May
15 Jul
3-4 wk
30 May
5 Aug
0 wk
24 May
26 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
18 Apr – 2 May
28 Jun
4-6 wk
30 May
26 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
19 Apr – 3 May
7 Jun
2-4 wk
17 May
21 Jun
2 wk before
17 May
11 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
24 May
21 Jun
1 wk before
24 May
11 Jun
1 wk before
Spinach
Spinacia oleracea
2 – 9 May
30 Jul
3-4 wk
30 May
20 Aug
0 wk
10 May
10 Aug
3 wk before
Sweet potato
Ipomoea batatas
1 – 15 Jul
4-6 wk
12 Aug
11 wk after
Garden tomato
Solanum lycopersicum
Fleece
22 Apr – 6 May
6-8 wk
17 Jun
3 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
29 May – 12 Jun
2-4 wk
26 Jun
4 wk after
10 Jul
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
18 Apr – 2 May
28 Jun
4-6 wk
30 May
26 Jul
0 wk
Garden pea
Pisum sativum
2 – 9 May
30 Jun
3-4 wk
30 May
21 Jul
0 wk
24 May
11 Jul
1 wk before

Herbs

Plant Sow indoors Transplant Direct sow
Earliest Latest Growing time Earliest Latest Rel. frost Earliest Latest Rel. frost
Basil
Ocimum basilicum
Fleece
15 – 29 May
4-6 wk
26 Jun
4 wk after
Lemon balm
Melissa officinalis
21 Mar – 4 Apr
26 May
8-10 wk
30 May
21 Jul
0 wk
25 Jun
11 Jul
4 wk after
Dill
Anethum graveolens
24 May
31 Jul
1 wk before
Wild chives
Allium schoenoprasum
4 – 18 Apr
9 Jun
6-8 wk
30 May
21 Jul
0 wk
24 May
11 Jul
1 wk before
Spearmint
Mentha spicata
7 Mar – 4 Apr
26 May
8-12 wk
30 May
21 Jul
0 wk
25 Jun
11 Jul
4 wk after
Coriander
Coriandrum sativum
30 May
20 Aug
0 wk
12 Jun
10 Aug
2 wk after
Garden sage
Salvia officinalis
21 Mar – 4 Apr
11 May
8-10 wk
30 May
6 Jul
0 wk
Common thyme
Thymus vulgaris
21 Mar – 4 Apr
16 May
8-10 wk
30 May
11 Jul
0 wk
Oregano
Origanum vulgare
4 – 18 Apr
30 May
6-8 wk
30 May
11 Jul
0 wk
25 Jun
1 Jul
4 wk after
Parsley
Petroselinum crispum
4 – 18 Apr
30 May
6-8 wk
30 May
11 Jul
0 wk
24 May
1 Jul
1 wk before
Rosemary
Salvia rosmarinus
21 Feb – 21 Mar
12 Apr
10-14 wk
30 May
21 Jun
0 wk

Annual flowers

Plant Sow indoors Transplant Direct sow
Earliest Latest Growing time Earliest Latest Rel. frost Earliest Latest Rel. frost
Morning glory
Ipomoea tricolor
Fleece
29 May – 5 Jun
3-4 wk
26 Jun
4 wk after
Cornflower
Centaurea cyanus
30 May
21 Jul
0 wk
24 May
11 Jul
1 wk before
Statice
Limonium sinuatum
17 Apr – 1 May
8-10 wk
26 Jun
4 wk after
Sweet William
Dianthus barbatus
4 – 18 Apr
6-8 wk
30 May
0 wk
4 Jun
1 wk after
Snow-on-the-mountain
Euphorbia marginata
1 – 15 May
6-8 wk
26 Jun
4 wk after
12 Aug
11 wk after
Pinnate dahlia
Dahlia × pinnata
26 Apr – 10 May
30 Apr
6-8 wk
21 Jun
3 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
30 Apr – 28 May
14 May
4-8 wk
25 Jun
4 wk after
25 Jun
4 wk after
Foxglove
Digitalis purpurea
21 Mar – 4 Apr
8-10 wk
30 May
0 wk
12 Jun
2 wk after
Busy lizzie
Impatiens walleriana
17 Apr – 15 May
22 May
8-12 wk
10 Jul
17 Jul
6 wk after
Creeping zinnia
Sanvitalia procumbens
1 – 15 May
9 May
6-8 wk
26 Jun
4 wk after
Hyacinth bean
Dolichos lablab
Season too short
15 – 29 May
4-6 wk
26 Jun
4 wk after
Chinese lantern
Physalis alkekengi
21 Mar – 4 Apr
26 Apr
8-10 wk
30 May
21 Jun
0 wk
Love in a mist
Nigella damascena
30 May
6 Jul
0 wk
24 May
26 Jun
1 wk before
Strawflower
Xerochrysum bracteatum
1 – 15 May
6-8 wk
26 Jun
4 wk after
12 Aug
11 wk after
Purple-top vervain
Verbena bonariensis
7 Mar – 4 Apr
26 Apr
8-12 wk
30 May
21 Jun
0 wk
Cardoon
Cynara cardunculus
3 Apr – 1 May
8-12 wk
26 Jun
4 wk after
Regal-foxtail
Ptilotus nobilis
Fleece
3 Apr – 1 May
8-12 wk
26 Jun
4 wk after
Globe amaranth
Gomphrena globosa
Fleece
1 – 15 May
6-8 wk
26 Jun
4 wk after
Corn poppy
Papaver rhoeas
30 May
21 Jul
0 wk
24 May
11 Jul
1 wk before
Snapdragon
Antirrhinum majus
7 Mar – 4 Apr
16 May
8-12 wk
30 May
11 Jul
0 wk
4 Jun
1 Jul
1 wk after
Flossflower
Ageratum houstonianum
1 – 15 May
8-10 wk
10 Jul
6 wk after
Sweet pea
Lathyrus odoratus
4 – 25 Apr
6 Jun
5-8 wk
30 May
11 Jul
0 wk
Stock
Matthiola incana
4 – 18 Apr
9 Jun
6-8 wk
30 May
21 Jul
0 wk
12 Jun
11 Jul
2 wk after
Wormwood
Artemisia absinthium
4 – 18 Apr
10 May
6-8 wk
30 May
21 Jun
0 wk
12 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
6 – 20 May
9 May
4-6 wk
17 Jun
3 wk after
Garden pansy
Viola × wittrockiana
21 Mar – 4 Apr
26 May
8-10 wk
30 May
21 Jul
0 wk
4 Jun
11 Jul
1 wk after
Petunia
Petunia
3 Apr – 1 May
15 Apr
8-12 wk
26 Jun
4 wk after
Sweet Scabious
Scabiosa atropurpurea
4 – 18 Apr
10 May
6-8 wk
30 May
21 Jun
0 wk
10 Jul
6 wk after
Common zinnia
Zinnia elegans
15 – 29 May
4-6 wk
26 Jun
4 wk after
Common morning glory
Ipomoea purpurea
Fleece
22 May – 5 Jun
3-5 wk
26 Jun
4 wk after
Garden cosmos
Cosmos bipinnatus
15 – 29 May
4-6 wk
26 Jun
4 wk after
10 Jul
6 wk after
Scarlet milkweed
Asclepias curassavica
Fleece
17 Apr – 15 May
26 Apr
8-12 wk
10 Jul
6 wk after
Bee balm
Monarda didyma
7 Mar – 4 Apr
26 Apr
8-12 wk
30 May
21 Jun
0 wk
25 Jun
4 wk after
Yarrow
Achillea millefolium
4 – 18 Apr
10 Apr
6-8 wk
30 May
0 wk
12 Jun
2 wk after
Safflower
Carthamus tinctorius
30 May
21 Jun
0 wk
24 May
11 Jun
1 wk before
Iceland poppy
Papaver nudicaule
Season too short
4 – 18 Apr
30 May
6-8 wk
30 May
11 Jul
0 wk
14 Apr
1 Jul
7 wk before
Bishop's flower
Ammi majus
18 Apr – 2 May
13 Jun
4-6 wk
30 May
11 Jul
0 wk
12 Jun
1 Jul
2 wk after
Drumsticks
Pycnosorus globosus
Fleece
3 – 17 Apr
10-12 wk
26 Jun
4 wk after
Sunflower
Helianthus annuus
29 May – 5 Jun
20 Jun
3-4 wk
26 Jun
11 Jul
4 wk after
25 Jun
1 Jul
4 wk after
China aster
Callistephus chinensis
1 – 15 May
9 Jun
6-8 wk
26 Jun
21 Jul
4 wk after
10 Jul
11 Jul
6 wk after
Annual phlox
Phlox drummondii
22 Apr – 6 May
9 May
6-8 wk
17 Jun
20 Jun
3 wk after
10 Jul
6 wk after
Hollyhock
Alcea rosea
4 – 18 Apr
6-8 wk
30 May
0 wk
12 Jun
2 wk after
Alpine delphinium
Delphinium elatum
7 Mar – 4 Apr
26 Apr
8-12 wk
30 May
21 Jun
0 wk
25 Jun
4 wk after
African marigold
Tagetes erecta
1 – 15 May
9 May
6-8 wk
26 Jun
4 wk after
Black-eyed Susan
Rudbeckia hirta
4 – 18 Apr
30 May
6-8 wk
30 May
11 Jul
0 wk
10 Jul
6 wk after
Wood sage
Salvia nemorosa
21 Mar – 4 Apr
16 Apr
8-10 wk
30 May
11 Jun
0 wk
25 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
17 Apr – 15 May
20 Apr
6-10 wk
26 Jun
4 wk after
California goldenpoppy
Eschscholzia californica
30 May
21 Jul
0 wk
24 May
11 Jul
1 wk before
Painted tongue
Salpiglossis sinuata
17 Apr – 1 May
16 May
8-10 wk
26 Jun
11 Jul
4 wk after
Water forget-me-not
Myosotis scorpioides
4 – 18 Apr
10 May
6-8 wk
30 May
21 Jun
0 wk
12 Jun
2 wk after