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-2.9°
Last 24h: Slight frost recorded tonight at 05:00. Inspect for frost damage
No frost in sight Last frost normally in 3 days (12 May), but frost-free in the forecast.
Method
Rel. frost
Last spring frost (0°C) 12 May Frost 1 of 4 years · 20 years of data
Frost-free season 151 days 12 May – 10 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
Earliest Latest Growing time Earliest Latest Rel. frost Earliest Latest Rel. frost
Cauliflower
Brassica oleracea (Botrytis-gruppen)
24 Mar – 7 Apr
21 Jun
5-7 wk
12 May
26 Jul
0 wk
6 May
16 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
31 Mar – 14 Apr
3 Jul
4-6 wk
12 May
31 Jul
0 wk
6 May
21 Jul
1 wk before
Chili pepper
Capsicum annuum
Fleece
16 Mar – 13 Apr
19 Apr
8-12 wk
8 Jun
14 Jun
4 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
24 Mar – 7 Apr
16 Jun
5-7 wk
12 May
21 Jul
0 wk
29 Apr
11 Jul
2 wk before
Garden cucumber
Cucumis sativus
25 May – 1 Jun
13 Jun
3-4 wk
22 Jun
4 Jul
6 wk after
Florence Fennel
Foeniculum vulgare
18 – 25 May
13 Jun
4-5 wk
22 Jun
11 Jul
6 wk after
22 Jun
1 Jul
6 wk after
Butter bean
Phaseolus lunatus
Greenhouse
4 – 11 Jun
5 Jun
3-4 wk
2 Jul
7 wk after
Onion
Allium cepa (Cepa-gruppen)
17 Feb – 17 Mar
6 Apr
8-12 wk
12 May
1 Jun
0 wk
25 May
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
6 May
21 Jun
1 wk before
6 May
11 Jun
1 wk before
Maize
Zea mays
11 – 18 May
3 Jun
3-4 wk
8 Jun
24 Jun
4 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
14 – 21 Apr
10 Jul
3-4 wk
12 May
31 Jul
0 wk
25 May
21 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
12 May
11 Jul
0 wk
29 Apr
1 Jul
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
24 Mar – 7 Apr
16 Jun
5-7 wk
12 May
21 Jul
0 wk
29 Apr
11 Jul
2 wk before
Potato
Solanum tuberosum
5 – 19 Apr
13 Jun
4-6 wk
17 May
11 Jul
1 wk after
17 May
1 Jul
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
24 Mar – 7 Apr
26 Jun
5-7 wk
12 May
31 Jul
0 wk
6 May
21 Jul
1 wk before
Pumpkin
Cucurbita pepo
25 May – 1 Jun
3 Jul
3-4 wk
22 Jun
24 Jul
6 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
14 – 21 Apr
30 Jun
3-4 wk
12 May
21 Jul
0 wk
25 May
11 Jul
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
31 Mar – 14 Apr
28 Jun
4-6 wk
12 May
26 Jul
0 wk
Lettuce
Lactuca sativa
14 – 21 Apr
15 Jul
3-4 wk
12 May
5 Aug
0 wk
6 May
26 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
31 Mar – 14 Apr
28 Jun
4-6 wk
12 May
26 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
1 – 15 Apr
7 Jun
2-4 wk
29 Apr
21 Jun
2 wk before
29 Apr
11 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
6 May
21 Jun
1 wk before
6 May
11 Jun
1 wk before
Spinach
Spinacia oleracea
14 – 21 Apr
30 Jul
3-4 wk
12 May
20 Aug
0 wk
22 Apr
10 Aug
3 wk before
Sweet potato
Ipomoea batatas
13 – 27 Jun
4-6 wk
25 Jul
11 wk after
Garden tomato
Solanum lycopersicum
13 – 27 Apr
13 May
6-8 wk
8 Jun
24 Jun
4 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
11 – 25 May
5 Jul
2-4 wk
8 Jun
19 Jul
4 wk after
22 Jun
9 Jul
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
31 Mar – 14 Apr
28 Jun
4-6 wk
12 May
26 Jul
0 wk
Garden pea
Pisum sativum
14 – 21 Apr
30 Jun
3-4 wk
12 May
21 Jul
0 wk
6 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
11 – 25 May
11 Jun
4-6 wk
22 Jun
9 Jul
6 wk after
Lemon balm
Melissa officinalis
3 – 17 Mar
26 May
8-10 wk
12 May
21 Jul
0 wk
7 Jun
11 Jul
4 wk after
Dill
Anethum graveolens
6 May
31 Jul
1 wk before
Wild chives
Allium schoenoprasum
17 – 31 Mar
9 Jun
6-8 wk
12 May
21 Jul
0 wk
6 May
11 Jul
1 wk before
Spearmint
Mentha spicata
17 Feb – 17 Mar
26 May
8-12 wk
12 May
21 Jul
0 wk
7 Jun
11 Jul
4 wk after
Coriander
Coriandrum sativum
12 May
20 Aug
0 wk
25 May
10 Aug
2 wk after
Garden sage
Salvia officinalis
3 – 17 Mar
11 May
8-10 wk
12 May
6 Jul
0 wk
Common thyme
Thymus vulgaris
3 – 17 Mar
16 May
8-10 wk
12 May
11 Jul
0 wk
Oregano
Origanum vulgare
17 – 31 Mar
30 May
6-8 wk
12 May
11 Jul
0 wk
7 Jun
1 Jul
4 wk after
Parsley
Petroselinum crispum
17 – 31 Mar
30 May
6-8 wk
12 May
11 Jul
0 wk
6 May
1 Jul
1 wk before
Rosemary
Salvia rosmarinus
3 Feb – 3 Mar
12 Apr
10-14 wk
12 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
25 May – 1 Jun
18 Jun
3-4 wk
22 Jun
9 Jul
6 wk after
Cornflower
Centaurea cyanus
12 May
21 Jul
0 wk
6 May
11 Jul
1 wk before
Statice
Limonium sinuatum
30 Mar – 13 Apr
16 May
8-10 wk
8 Jun
11 Jul
4 wk after
Sweet William
Dianthus barbatus
17 – 31 Mar
6-8 wk
12 May
0 wk
17 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
13 – 27 Apr
30 May
6-8 wk
8 Jun
11 Jul
4 wk after
25 Jul
11 wk after
Pinnate dahlia
Dahlia × pinnata
8 – 22 Apr
30 May
6-8 wk
3 Jun
11 Jul
3 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
12 Apr – 10 May
13 Jun
4-8 wk
7 Jun
11 Jul
4 wk after
7 Jun
1 Jul
4 wk after
Foxglove
Digitalis purpurea
3 – 17 Mar
8-10 wk
12 May
0 wk
25 May
2 wk after
Busy lizzie
Impatiens walleriana
30 Mar – 27 Apr
6 Jul
8-12 wk
22 Jun
31 Aug
6 wk after
Creeping zinnia
Sanvitalia procumbens
13 – 27 Apr
9 Jun
6-8 wk
8 Jun
21 Jul
4 wk after
Hyacinth bean
Dolichos lablab
Fleece
11 – 25 May
12 May
4-6 wk
22 Jun
6 wk after
Chinese lantern
Physalis alkekengi
3 – 17 Mar
26 Apr
8-10 wk
12 May
21 Jun
0 wk
Love in a mist
Nigella damascena
12 May
6 Jul
0 wk
6 May
26 Jun
1 wk before
Strawflower
Xerochrysum bracteatum
13 – 27 Apr
20 May
6-8 wk
8 Jun
1 Jul
4 wk after
25 Jul
11 wk after
Purple-top vervain
Verbena bonariensis
17 Feb – 17 Mar
26 Apr
8-12 wk
12 May
21 Jun
0 wk
Cardoon
Cynara cardunculus
16 Mar – 13 Apr
27 Mar
8-12 wk
8 Jun
4 wk after
Regal-foxtail
Ptilotus nobilis
30 Mar – 27 Apr
4 May
8-12 wk
22 Jun
29 Jun
6 wk after
Globe amaranth
Gomphrena globosa
27 Apr – 11 May
18 May
6-8 wk
22 Jun
29 Jun
6 wk after
Corn poppy
Papaver rhoeas
12 May
21 Jul
0 wk
6 May
11 Jul
1 wk before
Snapdragon
Antirrhinum majus
17 Feb – 17 Mar
16 May
8-12 wk
12 May
11 Jul
0 wk
17 May
1 Jul
1 wk after
Flossflower
Ageratum houstonianum
13 – 27 Apr
26 May
8-10 wk
22 Jun
21 Jul
6 wk after
Sweet pea
Lathyrus odoratus
17 Mar – 7 Apr
6 Jun
5-8 wk
12 May
11 Jul
0 wk
Stock
Matthiola incana
17 – 31 Mar
9 Jun
6-8 wk
12 May
21 Jul
0 wk
25 May
11 Jul
2 wk after
Wormwood
Artemisia absinthium
17 – 31 Mar
10 May
6-8 wk
12 May
21 Jun
0 wk
25 May
11 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
11 – 25 May
27 May
4-6 wk
22 Jun
24 Jun
6 wk after
Garden pansy
Viola × wittrockiana
3 – 17 Mar
26 May
8-10 wk
12 May
21 Jul
0 wk
17 May
11 Jul
1 wk after
Petunia
Petunia
16 Mar – 13 Apr
16 May
8-12 wk
8 Jun
11 Jul
4 wk after
Sweet Scabious
Scabiosa atropurpurea
17 – 31 Mar
10 May
6-8 wk
12 May
21 Jun
0 wk
22 Jun
6 wk after
Common zinnia
Zinnia elegans
27 Apr – 11 May
18 Jun
4-6 wk
8 Jun
16 Jul
4 wk after
Common morning glory
Ipomoea purpurea
18 May – 1 Jun
18 Jun
3-5 wk
22 Jun
9 Jul
6 wk after
Garden cosmos
Cosmos bipinnatus
27 Apr – 11 May
13 Jun
4-6 wk
8 Jun
11 Jul
4 wk after
22 Jun
1 Jul
6 wk after
Scarlet milkweed
Asclepias curassavica
17 Apr – 15 May
3 Jun
8-12 wk
10 Jul
29 Jul
8 wk after
Bee balm
Monarda didyma
17 Feb – 17 Mar
26 Apr
8-12 wk
12 May
21 Jun
0 wk
7 Jun
11 Jun
4 wk after
Yarrow
Achillea millefolium
17 – 31 Mar
10 Apr
6-8 wk
12 May
22 May
0 wk
25 May
2 wk after
Safflower
Carthamus tinctorius
12 May
21 Jun
0 wk
6 May
11 Jun
1 wk before
Iceland poppy
Papaver nudicaule
Season too short
17 – 31 Mar
30 May
6-8 wk
12 May
11 Jul
0 wk
27 Mar
1 Jul
7 wk before
Bishop's flower
Ammi majus
31 Mar – 14 Apr
13 Jun
4-6 wk
12 May
11 Jul
0 wk
25 May
1 Jul
2 wk after
Drumsticks
Pycnosorus globosus
30 Mar – 13 Apr
7 Apr
10-12 wk
22 Jun
6 wk after
Sunflower
Helianthus annuus
11 – 18 May
20 Jun
3-4 wk
8 Jun
11 Jul
4 wk after
7 Jun
1 Jul
4 wk after
China aster
Callistephus chinensis
13 – 27 Apr
9 Jun
6-8 wk
8 Jun
21 Jul
4 wk after
22 Jun
11 Jul
6 wk after
Annual phlox
Phlox drummondii
4 – 18 Apr
9 Jun
6-8 wk
30 May
21 Jul
3 wk after
22 Jun
11 Jul
6 wk after
Hollyhock
Alcea rosea
17 – 31 Mar
6-8 wk
12 May
0 wk
25 May
2 wk after
Alpine delphinium
Delphinium elatum
17 Feb – 17 Mar
26 Apr
8-12 wk
12 May
21 Jun
0 wk
7 Jun
11 Jun
4 wk after
African marigold
Tagetes erecta
13 – 27 Apr
9 Jun
6-8 wk
8 Jun
21 Jul
4 wk after
Black-eyed Susan
Rudbeckia hirta
17 – 31 Mar
30 May
6-8 wk
12 May
11 Jul
0 wk
22 Jun
1 Jul
6 wk after
Wood sage
Salvia nemorosa
3 – 17 Mar
16 Apr
8-10 wk
12 May
11 Jun
0 wk
7 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
13 Apr – 11 May
28 May
6-10 wk
22 Jun
9 Jul
6 wk after
California goldenpoppy
Eschscholzia californica
12 May
21 Jul
0 wk
6 May
11 Jul
1 wk before
Painted tongue
Salpiglossis sinuata
30 Mar – 13 Apr
16 May
8-10 wk
8 Jun
11 Jul
4 wk after
Water forget-me-not
Myosotis scorpioides
17 – 31 Mar
10 May
6-8 wk
12 May
21 Jun
0 wk
25 May
11 Jun
2 wk after