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-0.3°
Last 24h: Slight frost recorded tonight at 04:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 7 Mar Frost 9 of 10 years · 20 years of data
Frost-free season 231 days 7 Mar – 24 Oct
Probability that frost is over

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