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-0.3°
Last 24h: Slight frost recorded tonight at 05:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 12 Mar Frost 9 of 10 years · 20 years of data
Frost-free season 240 days 12 Mar – 7 Nov
Probability that frost is over

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