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-0.6°
Last 24h: Slight frost recorded tonight at 05:00. Inspect for frost damage
No frost in sight Last frost normally in 7 days (16 May), but frost-free in the forecast.
Method
Rel. frost
Last spring frost (0°C) 16 May Frost 1 of 10 years · 20 years of data
Frost-free season 154 days 16 May – 17 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)
28 Mar – 11 Apr
19 Jun
5-7 wk
16 May
24 Jul
0 wk
9 May
14 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
4 – 18 Apr
1 Jul
4-6 wk
16 May
29 Jul
0 wk
9 May
19 Jul
1 wk before
Chili pepper
Capsicum annuum
Greenhouse
4 Mar – 1 Apr
19 Mar
8-12 wk
27 May
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
28 Mar – 11 Apr
14 Jun
5-7 wk
16 May
19 Jul
0 wk
4 May
9 Jul
2 wk before
Garden cucumber
Cucumis sativus
Fleece
7 – 14 May
13 May
3-4 wk
4 Jun
3 wk after
Florence Fennel
Foeniculum vulgare
17 – 24 May
11 Jun
4-5 wk
21 Jun
9 Jul
5 wk after
21 Jun
29 Jun
5 wk after
Butter bean
Phaseolus lunatus
Season too short
31 May – 7 Jun
3-4 wk
28 Jun
6 wk after
Onion
Allium cepa (Cepa-gruppen)
21 Feb – 21 Mar
4 Apr
8-12 wk
16 May
30 May
0 wk
26 May
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
9 May
19 Jun
1 wk before
9 May
9 Jun
1 wk before
Maize
Zea mays
Fleece
29 Apr – 6 May
3 May
3-4 wk
27 May
2 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
24 Apr – 1 May
8 Jul
3-4 wk
22 May
29 Jul
1 wk after
26 May
19 Jul
1 wk after
Carrot
Daucus carota subsp. sativus var. sativus
16 May
9 Jul
0 wk
4 May
29 Jun
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
28 Mar – 11 Apr
14 Jun
5-7 wk
16 May
19 Jul
0 wk
4 May
9 Jul
2 wk before
Potato
Solanum tuberosum
9 – 23 Apr
11 Jun
4-6 wk
21 May
9 Jul
1 wk after
21 May
29 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
28 Mar – 11 Apr
24 Jun
5-7 wk
16 May
29 Jul
0 wk
9 May
19 Jul
1 wk before
Pumpkin
Cucurbita pepo
24 – 31 May
3-4 wk
21 Jun
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
24 Apr – 1 May
30 Jun
3-4 wk
22 May
21 Jul
1 wk after
26 May
11 Jul
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
4 – 18 Apr
26 Jun
4-6 wk
16 May
24 Jul
0 wk
Lettuce
Lactuca sativa
18 – 25 Apr
13 Jul
3-4 wk
16 May
3 Aug
0 wk
9 May
24 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
4 – 18 Apr
26 Jun
4-6 wk
16 May
24 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
6 – 20 Apr
5 Jun
2-4 wk
4 May
19 Jun
2 wk before
4 May
9 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
9 May
19 Jun
1 wk before
9 May
9 Jun
1 wk before
Spinach
Spinacia oleracea
18 – 25 Apr
28 Jul
3-4 wk
16 May
18 Aug
0 wk
28 Apr
8 Aug
3 wk before
Sweet potato
Ipomoea batatas
12 – 26 Jun
4-6 wk
24 Jul
10 wk after
Garden tomato
Solanum lycopersicum
Fleece
1 – 15 Apr
12 Apr
6-8 wk
27 May
2 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
7 – 21 May
20 May
2-4 wk
4 Jun
3 wk after
21 Jun
5 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
4 – 18 Apr
26 Jun
4-6 wk
16 May
24 Jul
0 wk
Garden pea
Pisum sativum
18 – 25 Apr
28 Jun
3-4 wk
16 May
19 Jul
0 wk
9 May
9 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
23 Apr – 7 May
20 May
4-6 wk
4 Jun
17 Jun
3 wk after
Lemon balm
Melissa officinalis
7 – 21 Mar
24 May
8-10 wk
16 May
19 Jul
0 wk
6 Jun
9 Jul
3 wk after
Dill
Anethum graveolens
9 May
29 Jul
1 wk before
Wild chives
Allium schoenoprasum
21 Mar – 4 Apr
7 Jun
6-8 wk
16 May
19 Jul
0 wk
9 May
9 Jul
1 wk before
Spearmint
Mentha spicata
21 Feb – 21 Mar
24 May
8-12 wk
16 May
19 Jul
0 wk
6 Jun
9 Jul
3 wk after
Coriander
Coriandrum sativum
16 May
18 Aug
0 wk
26 May
8 Aug
1 wk after
Garden sage
Salvia officinalis
13 – 27 Mar
9 May
8-10 wk
22 May
4 Jul
1 wk after
Common thyme
Thymus vulgaris
7 – 21 Mar
14 May
8-10 wk
16 May
9 Jul
0 wk
Oregano
Origanum vulgare
21 Mar – 4 Apr
28 May
6-8 wk
16 May
9 Jul
0 wk
6 Jun
29 Jun
3 wk after
Parsley
Petroselinum crispum
21 Mar – 4 Apr
28 May
6-8 wk
16 May
9 Jul
0 wk
9 May
29 Jun
1 wk before
Rosemary
Salvia rosmarinus
13 Feb – 13 Mar
10 Apr
10-14 wk
22 May
19 Jun
1 wk after

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
7 – 14 May
27 May
3-4 wk
4 Jun
17 Jun
3 wk after
Cornflower
Centaurea cyanus
16 May
19 Jul
0 wk
9 May
9 Jul
1 wk before
Statice
Limonium sinuatum
26 Mar – 9 Apr
25 Apr
8-10 wk
4 Jun
20 Jun
3 wk after
Sweet William
Dianthus barbatus
21 Mar – 4 Apr
6-8 wk
16 May
0 wk
21 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
9 – 23 Apr
9 May
6-8 wk
4 Jun
20 Jun
3 wk after
24 Jul
10 wk after
Pinnate dahlia
Dahlia × pinnata
4 – 18 Apr
18 May
6-8 wk
30 May
29 Jun
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
11 Apr – 9 May
1 Jun
4-8 wk
6 Jun
29 Jun
3 wk after
6 Jun
19 Jun
3 wk after
Foxglove
Digitalis purpurea
7 – 21 Mar
8-10 wk
16 May
0 wk
26 May
1 wk after
Busy lizzie
Impatiens walleriana
29 Mar – 26 Apr
7 Jun
8-12 wk
21 Jun
2 Aug
5 wk after
Creeping zinnia
Sanvitalia procumbens
9 – 23 Apr
19 May
6-8 wk
4 Jun
30 Jun
3 wk after
Hyacinth bean
Dolichos lablab
Season too short
23 Apr – 7 May
4-6 wk
4 Jun
3 wk after
Chinese lantern
Physalis alkekengi
13 – 27 Mar
24 Apr
8-10 wk
22 May
19 Jun
1 wk after
Love in a mist
Nigella damascena
16 May
4 Jul
0 wk
9 May
24 Jun
1 wk before
Strawflower
Xerochrysum bracteatum
9 – 23 Apr
29 Apr
6-8 wk
4 Jun
10 Jun
3 wk after
24 Jul
10 wk after
Purple-top vervain
Verbena bonariensis
27 Feb – 27 Mar
24 Apr
8-12 wk
22 May
19 Jun
1 wk after
Cardoon
Cynara cardunculus
12 Mar – 9 Apr
25 Mar
8-12 wk
4 Jun
3 wk after
Regal-foxtail
Ptilotus nobilis
Fleece
12 Mar – 9 Apr
12 Apr
8-12 wk
4 Jun
7 Jun
3 wk after
Globe amaranth
Gomphrena globosa
Fleece
9 – 23 Apr
26 Apr
6-8 wk
4 Jun
7 Jun
3 wk after
Corn poppy
Papaver rhoeas
16 May
19 Jul
0 wk
9 May
9 Jul
1 wk before
Snapdragon
Antirrhinum majus
21 Feb – 21 Mar
14 May
8-12 wk
16 May
9 Jul
0 wk
21 May
29 Jun
1 wk after
Flossflower
Ageratum houstonianum
12 – 26 Apr
5 May
8-10 wk
21 Jun
30 Jun
5 wk after
Sweet pea
Lathyrus odoratus
21 Mar – 11 Apr
4 Jun
5-8 wk
16 May
9 Jul
0 wk
Stock
Matthiola incana
21 Mar – 4 Apr
7 Jun
6-8 wk
16 May
19 Jul
0 wk
26 May
9 Jul
1 wk after
Wormwood
Artemisia absinthium
21 Mar – 4 Apr
8 May
6-8 wk
16 May
19 Jun
0 wk
26 May
9 Jun
1 wk after
Mexican sunflower
Tithonia rotundifolia
Fleece
23 Apr – 7 May
5 May
4-6 wk
4 Jun
3 wk after
Garden pansy
Viola × wittrockiana
7 – 21 Mar
24 May
8-10 wk
16 May
19 Jul
0 wk
21 May
9 Jul
1 wk after
Petunia
Petunia
12 Mar – 9 Apr
25 Apr
8-12 wk
4 Jun
20 Jun
3 wk after
Sweet Scabious
Scabiosa atropurpurea
27 Mar – 10 Apr
8 May
6-8 wk
22 May
19 Jun
1 wk after
21 Jun
5 wk after
Common zinnia
Zinnia elegans
23 Apr – 7 May
20 May
4-6 wk
4 Jun
17 Jun
3 wk after
Common morning glory
Ipomoea purpurea
Fleece
30 Apr – 14 May
27 May
3-5 wk
4 Jun
17 Jun
3 wk after
Garden cosmos
Cosmos bipinnatus
23 Apr – 7 May
1 Jun
4-6 wk
4 Jun
29 Jun
3 wk after
21 Jun
5 wk after
Scarlet milkweed
Asclepias curassavica
10 Apr – 8 May
18 Apr
8-12 wk
3 Jul
7 wk after
Bee balm
Monarda didyma
21 Feb – 21 Mar
24 Apr
8-12 wk
16 May
19 Jun
0 wk
6 Jun
9 Jun
3 wk after
Yarrow
Achillea millefolium
21 Mar – 4 Apr
8 Apr
6-8 wk
16 May
20 May
0 wk
26 May
1 wk after
Safflower
Carthamus tinctorius
16 May
19 Jun
0 wk
9 May
9 Jun
1 wk before
Iceland poppy
Papaver nudicaule
Season too short
21 Mar – 4 Apr
28 May
6-8 wk
16 May
9 Jul
0 wk
7 Apr
29 Jun
6 wk before
Bishop's flower
Ammi majus
4 – 18 Apr
11 Jun
4-6 wk
16 May
9 Jul
0 wk
26 May
29 Jun
1 wk after
Drumsticks
Pycnosorus globosus
Fleece
12 – 26 Mar
31 Mar
10-12 wk
4 Jun
9 Jun
3 wk after
Sunflower
Helianthus annuus
7 – 14 May
18 Jun
3-4 wk
4 Jun
9 Jul
3 wk after
6 Jun
29 Jun
3 wk after
China aster
Callistephus chinensis
9 – 23 Apr
7 Jun
6-8 wk
4 Jun
19 Jul
3 wk after
21 Jun
9 Jul
5 wk after
Annual phlox
Phlox drummondii
1 – 15 Apr
19 May
6-8 wk
27 May
30 Jun
2 wk after
21 Jun
5 wk after
Hollyhock
Alcea rosea
21 Mar – 4 Apr
6-8 wk
16 May
0 wk
26 May
1 wk after
Alpine delphinium
Delphinium elatum
21 Feb – 21 Mar
24 Apr
8-12 wk
16 May
19 Jun
0 wk
6 Jun
9 Jun
3 wk after
African marigold
Tagetes erecta
9 – 23 Apr
19 May
6-8 wk
4 Jun
30 Jun
3 wk after
Black-eyed Susan
Rudbeckia hirta
27 Mar – 10 Apr
28 May
6-8 wk
22 May
9 Jul
1 wk after
21 Jun
29 Jun
5 wk after
Wood sage
Salvia nemorosa
7 – 21 Mar
14 Apr
8-10 wk
16 May
9 Jun
0 wk
6 Jun
3 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
26 Mar – 23 Apr
6 May
6-10 wk
4 Jun
17 Jun
3 wk after
California goldenpoppy
Eschscholzia californica
16 May
19 Jul
0 wk
9 May
9 Jul
1 wk before
Painted tongue
Salpiglossis sinuata
26 Mar – 9 Apr
14 May
8-10 wk
4 Jun
9 Jul
3 wk after
Water forget-me-not
Myosotis scorpioides
21 Mar – 4 Apr
8 May
6-8 wk
16 May
19 Jun
0 wk
26 May
9 Jun
1 wk after