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-1.2°
Last 24h: Slight frost recorded tonight at 04:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 13 Apr Frost 9 of 10 years · 20 years of data
Frost-free season 182 days 13 Apr – 12 Oct
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)
23 Feb – 9 Mar
20 Jun
5-7 wk
13 Apr
25 Jul
0 wk
7 Apr
15 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
2 – 16 Mar
2 Jul
4-6 wk
13 Apr
30 Jul
0 wk
7 Apr
20 Jul
1 wk before
Chili pepper
Capsicum annuum
Season too short
6 Feb – 6 Mar
6 Feb
8-12 wk
1 May
3 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
23 Feb – 9 Mar
15 Jun
5-7 wk
13 Apr
20 Jul
0 wk
31 Mar
10 Jul
2 wk before
Garden cucumber
Cucumis sativus
Greenhouse
3 – 10 Apr
16 May
3-4 wk
1 May
6 Jun
3 wk after
Florence Fennel
Foeniculum vulgare
19 – 26 Apr
9 Jun
4-5 wk
24 May
7 Jul
6 wk after
24 May
27 Jun
6 wk after
Butter bean
Phaseolus lunatus
Season too short
6 – 13 May
3-4 wk
3 Jun
7 wk after
Onion
Allium cepa (Cepa-gruppen)
19 Jan – 16 Feb
4 Apr
8-12 wk
13 Apr
30 May
0 wk
26 Apr
20 May
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
7 Apr
19 Jun
1 wk before
7 Apr
9 Jun
1 wk before
Maize
Zea mays
Greenhouse
16 – 23 Mar
6 May
3-4 wk
13 Apr
27 May
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
16 – 23 Mar
9 Jul
3-4 wk
13 Apr
30 Jul
0 wk
26 Apr
20 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
13 Apr
10 Jul
0 wk
31 Mar
30 Jun
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
23 Feb – 9 Mar
15 Jun
5-7 wk
13 Apr
20 Jul
0 wk
31 Mar
10 Jul
2 wk before
Potato
Solanum tuberosum
7 – 21 Mar
8 Jun
4-6 wk
18 Apr
6 Jul
1 wk after
18 Apr
26 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
23 Feb – 9 Mar
25 Jun
5-7 wk
13 Apr
30 Jul
0 wk
7 Apr
20 Jul
1 wk before
Pumpkin
Cucurbita pepo
Fleece
12 – 19 Apr
21 May
3-4 wk
10 May
11 Jun
4 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
16 – 23 Mar
17 Jun
3-4 wk
13 Apr
8 Jul
0 wk
26 Apr
28 Jun
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
2 – 16 Mar
27 Jun
4-6 wk
13 Apr
25 Jul
0 wk
Lettuce
Lactuca sativa
16 – 23 Mar
14 Jul
3-4 wk
13 Apr
4 Aug
0 wk
7 Apr
25 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
2 – 16 Mar
27 Jun
4-6 wk
13 Apr
25 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
3 – 17 Mar
6 Jun
2-4 wk
31 Mar
20 Jun
2 wk before
31 Mar
10 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
7 Apr
19 Jun
1 wk before
7 Apr
9 Jun
1 wk before
Spinach
Spinacia oleracea
16 – 23 Mar
29 Jul
3-4 wk
13 Apr
19 Aug
0 wk
24 Mar
9 Aug
3 wk before
Sweet potato
Ipomoea batatas
15 – 29 May
4-6 wk
26 Jun
11 wk after
Garden tomato
Solanum lycopersicum
Greenhouse
16 Feb – 2 Mar
15 Apr
6-8 wk
13 Apr
27 May
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Fleece
3 – 17 Apr
23 May
2-4 wk
1 May
6 Jun
3 wk after
9 May
27 May
4 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
2 – 16 Mar
27 Jun
4-6 wk
13 Apr
25 Jul
0 wk
Garden pea
Pisum sativum
16 – 23 Mar
29 Jun
3-4 wk
13 Apr
20 Jul
0 wk
7 Apr
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
Fleece
29 Mar – 12 Apr
29 Apr
4-6 wk
10 May
27 May
4 wk after
Lemon balm
Melissa officinalis
2 – 16 Feb
25 May
8-10 wk
13 Apr
20 Jul
0 wk
9 May
10 Jul
4 wk after
Dill
Anethum graveolens
7 Apr
30 Jul
1 wk before
Wild chives
Allium schoenoprasum
16 Feb – 2 Mar
8 Jun
6-8 wk
13 Apr
20 Jul
0 wk
7 Apr
10 Jul
1 wk before
Spearmint
Mentha spicata
19 Jan – 16 Feb
25 May
8-12 wk
13 Apr
20 Jul
0 wk
9 May
10 Jul
4 wk after
Coriander
Coriandrum sativum
13 Apr
19 Aug
0 wk
26 Apr
9 Aug
2 wk after
Garden sage
Salvia officinalis
2 – 16 Feb
10 May
8-10 wk
13 Apr
5 Jul
0 wk
Common thyme
Thymus vulgaris
2 – 16 Feb
15 May
8-10 wk
13 Apr
10 Jul
0 wk
Oregano
Origanum vulgare
16 Feb – 2 Mar
29 May
6-8 wk
13 Apr
10 Jul
0 wk
9 May
30 Jun
4 wk after
Parsley
Petroselinum crispum
16 Feb – 2 Mar
29 May
6-8 wk
13 Apr
10 Jul
0 wk
7 Apr
30 Jun
1 wk before
Rosemary
Salvia rosmarinus
5 Jan – 2 Feb
10 Apr
10-14 wk
13 Apr
19 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
12 – 19 Apr
6 May
3-4 wk
10 May
27 May
4 wk after
Cornflower
Centaurea cyanus
13 Apr
20 Jul
0 wk
7 Apr
10 Jul
1 wk before
Statice
Limonium sinuatum
1 – 15 Mar
1 Apr
8-10 wk
10 May
27 May
4 wk after
Sweet William
Dianthus barbatus
16 Feb – 2 Mar
6-8 wk
13 Apr
0 wk
18 Apr
1 wk after
Snow-on-the-mountain
Euphorbia marginata
15 – 29 Mar
15 Apr
6-8 wk
10 May
27 May
4 wk after
26 Jun
11 wk after
Pinnate dahlia
Dahlia × pinnata
10 – 24 Mar
20 Apr
6-8 wk
5 May
1 Jun
3 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
14 Mar – 11 Apr
4 May
4-8 wk
9 May
1 Jun
4 wk after
9 May
22 May
4 wk after
Foxglove
Digitalis purpurea
2 – 16 Feb
8-10 wk
13 Apr
0 wk
26 Apr
2 wk after
Busy lizzie
Impatiens walleriana
1 – 29 Mar
17 May
8-12 wk
24 May
12 Jul
6 wk after
Creeping zinnia
Sanvitalia procumbens
15 – 29 Mar
25 Apr
6-8 wk
10 May
6 Jun
4 wk after
Hyacinth bean
Dolichos lablab
Season too short
29 Mar – 12 Apr
30 Mar
4-6 wk
10 May
4 wk after
Chinese lantern
Physalis alkekengi
2 – 16 Feb
25 Apr
8-10 wk
13 Apr
20 Jun
0 wk
Love in a mist
Nigella damascena
13 Apr
5 Jul
0 wk
7 Apr
25 Jun
1 wk before
Strawflower
Xerochrysum bracteatum
15 – 29 Mar
5 Apr
6-8 wk
10 May
17 May
4 wk after
26 Jun
11 wk after
Purple-top vervain
Verbena bonariensis
19 Jan – 16 Feb
25 Apr
8-12 wk
13 Apr
20 Jun
0 wk
Cardoon
Cynara cardunculus
15 Feb – 15 Mar
26 Mar
8-12 wk
10 May
21 May
4 wk after
Regal-foxtail
Ptilotus nobilis
Fleece
15 Feb – 15 Mar
22 Mar
8-12 wk
10 May
17 May
4 wk after
Globe amaranth
Gomphrena globosa
Fleece
15 – 29 Mar
5 Apr
6-8 wk
10 May
17 May
4 wk after
Corn poppy
Papaver rhoeas
13 Apr
20 Jul
0 wk
7 Apr
10 Jul
1 wk before
Snapdragon
Antirrhinum majus
19 Jan – 16 Feb
15 May
8-12 wk
13 Apr
10 Jul
0 wk
18 Apr
30 Jun
1 wk after
Flossflower
Ageratum houstonianum
15 – 29 Mar
11 Apr
8-10 wk
24 May
6 Jun
6 wk after
Sweet pea
Lathyrus odoratus
16 Feb – 9 Mar
5 Jun
5-8 wk
13 Apr
10 Jul
0 wk
Stock
Matthiola incana
16 Feb – 2 Mar
8 Jun
6-8 wk
13 Apr
20 Jul
0 wk
26 Apr
10 Jul
2 wk after
Wormwood
Artemisia absinthium
16 Feb – 2 Mar
9 May
6-8 wk
13 Apr
20 Jun
0 wk
26 Apr
10 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Fleece
29 Mar – 12 Apr
14 Apr
4-6 wk
10 May
12 May
4 wk after
Garden pansy
Viola × wittrockiana
2 – 16 Feb
25 May
8-10 wk
13 Apr
20 Jul
0 wk
18 Apr
10 Jul
1 wk after
Petunia
Petunia
15 Feb – 15 Mar
1 Apr
8-12 wk
10 May
27 May
4 wk after
Sweet Scabious
Scabiosa atropurpurea
16 Feb – 2 Mar
9 May
6-8 wk
13 Apr
20 Jun
0 wk
24 May
10 Jun
6 wk after
Common zinnia
Zinnia elegans
29 Mar – 12 Apr
29 Apr
4-6 wk
10 May
27 May
4 wk after
Common morning glory
Ipomoea purpurea
Fleece
5 – 19 Apr
6 May
3-5 wk
10 May
27 May
4 wk after
Garden cosmos
Cosmos bipinnatus
29 Mar – 12 Apr
4 May
4-6 wk
10 May
1 Jun
4 wk after
24 May
6 wk after
Scarlet milkweed
Asclepias curassavica
Fleece
1 – 29 Mar
21 Apr
8-12 wk
24 May
16 Jun
6 wk after
Bee balm
Monarda didyma
19 Jan – 16 Feb
25 Apr
8-12 wk
13 Apr
20 Jun
0 wk
9 May
10 Jun
4 wk after
Yarrow
Achillea millefolium
16 Feb – 2 Mar
9 Apr
6-8 wk
13 Apr
21 May
0 wk
26 Apr
11 May
2 wk after
Safflower
Carthamus tinctorius
13 Apr
20 Jun
0 wk
7 Apr
10 Jun
1 wk before
Iceland poppy
Papaver nudicaule
Season too short
16 Feb – 2 Mar
29 May
6-8 wk
13 Apr
10 Jul
0 wk
26 Feb
30 Jun
7 wk before
Bishop's flower
Ammi majus
2 – 16 Mar
12 Jun
4-6 wk
13 Apr
10 Jul
0 wk
26 Apr
30 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Fleece
15 Feb – 1 Mar
3 Mar
10-12 wk
10 May
12 May
4 wk after
Sunflower
Helianthus annuus
12 – 19 Apr
18 Jun
3-4 wk
10 May
9 Jul
4 wk after
9 May
29 Jun
4 wk after
China aster
Callistephus chinensis
15 – 29 Mar
7 Jun
6-8 wk
10 May
19 Jul
4 wk after
24 May
9 Jul
6 wk after
Annual phlox
Phlox drummondii
6 – 20 Mar
25 Apr
6-8 wk
1 May
6 Jun
3 wk after
24 May
27 May
6 wk after
Hollyhock
Alcea rosea
16 Feb – 2 Mar
6-8 wk
13 Apr
0 wk
26 Apr
2 wk after
Alpine delphinium
Delphinium elatum
19 Jan – 16 Feb
25 Apr
8-12 wk
13 Apr
20 Jun
0 wk
9 May
10 Jun
4 wk after
African marigold
Tagetes erecta
15 – 29 Mar
25 Apr
6-8 wk
10 May
6 Jun
4 wk after
Black-eyed Susan
Rudbeckia hirta
16 Feb – 2 Mar
28 May
6-8 wk
13 Apr
9 Jul
0 wk
24 May
29 Jun
6 wk after
Wood sage
Salvia nemorosa
2 – 16 Feb
15 Apr
8-10 wk
13 Apr
10 Jun
0 wk
9 May
31 May
4 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
1 – 29 Mar
15 Apr
6-10 wk
10 May
27 May
4 wk after
California goldenpoppy
Eschscholzia californica
13 Apr
20 Jul
0 wk
7 Apr
10 Jul
1 wk before
Painted tongue
Salpiglossis sinuata
1 – 15 Mar
12 May
8-10 wk
10 May
7 Jul
4 wk after
Water forget-me-not
Myosotis scorpioides
16 Feb – 2 Mar
9 May
6-8 wk
13 Apr
20 Jun
0 wk
26 Apr
10 Jun
2 wk after