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-0.9°
Last 24h: Slight frost recorded tonight at 05:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 1 May Frost 1 of 4 years · 20 years of data
Frost-free season 199 days 1 May – 16 Nov
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)
13 – 27 Mar
21 Jun
5-7 wk
1 May
26 Jul
0 wk
25 Apr
16 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
20 Mar – 3 Apr
3 Jul
4-6 wk
1 May
31 Jul
0 wk
25 Apr
21 Jul
1 wk before
Chili pepper
Capsicum annuum
19 Mar – 16 Apr
17 Apr
8-12 wk
11 Jun
12 Jun
6 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
13 – 27 Mar
16 Jun
5-7 wk
1 May
21 Jul
0 wk
18 Apr
11 Jul
2 wk before
Garden cucumber
Cucumis sativus
14 – 21 May
27 Jun
3-4 wk
11 Jun
18 Jul
6 wk after
Florence Fennel
Foeniculum vulgare
7 – 14 May
13 Jun
4-5 wk
11 Jun
11 Jul
6 wk after
11 Jun
1 Jul
6 wk after
Butter bean
Phaseolus lunatus
Fleece
9 – 16 Jun
3-4 wk
7 Jul
10 wk after
Onion
Allium cepa (Cepa-gruppen)
6 Feb – 6 Mar
6 Apr
8-12 wk
1 May
1 Jun
0 wk
14 May
22 May
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
25 Apr
21 Jun
1 wk before
25 Apr
11 Jun
1 wk before
Maize
Zea mays
30 Apr – 7 May
17 Jun
3-4 wk
28 May
8 Jul
4 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
3 – 10 Apr
10 Jul
3-4 wk
1 May
31 Jul
0 wk
14 May
21 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
1 May
11 Jul
0 wk
18 Apr
1 Jul
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
13 – 27 Mar
16 Jun
5-7 wk
1 May
21 Jul
0 wk
18 Apr
11 Jul
2 wk before
Potato
Solanum tuberosum
25 Mar – 8 Apr
13 Jun
4-6 wk
6 May
11 Jul
1 wk after
6 May
1 Jul
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
13 – 27 Mar
26 Jun
5-7 wk
1 May
31 Jul
0 wk
25 Apr
21 Jul
1 wk before
Pumpkin
Cucurbita pepo
14 – 21 May
13 Jul
3-4 wk
11 Jun
3 Aug
6 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
3 – 10 Apr
3 Jul
3-4 wk
1 May
24 Jul
0 wk
14 May
14 Jul
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
20 Mar – 3 Apr
28 Jun
4-6 wk
1 May
26 Jul
0 wk
Lettuce
Lactuca sativa
3 – 10 Apr
15 Jul
3-4 wk
1 May
5 Aug
0 wk
25 Apr
26 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
20 Mar – 3 Apr
28 Jun
4-6 wk
1 May
26 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
21 Mar – 4 Apr
7 Jun
2-4 wk
18 Apr
21 Jun
2 wk before
18 Apr
11 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
25 Apr
21 Jun
1 wk before
25 Apr
11 Jun
1 wk before
Spinach
Spinacia oleracea
3 – 10 Apr
30 Jul
3-4 wk
1 May
20 Aug
0 wk
11 Apr
10 Aug
3 wk before
Sweet potato
Ipomoea batatas
2 – 16 Jun
4-6 wk
14 Jul
11 wk after
Garden tomato
Solanum lycopersicum
2 – 16 Apr
27 May
6-8 wk
28 May
8 Jul
4 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
30 Apr – 14 May
15 Jul
2-4 wk
28 May
29 Jul
4 wk after
11 Jun
19 Jul
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
20 Mar – 3 Apr
28 Jun
4-6 wk
1 May
26 Jul
0 wk
Garden pea
Pisum sativum
3 – 10 Apr
30 Jun
3-4 wk
1 May
21 Jul
0 wk
25 Apr
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
30 Apr – 14 May
21 Jun
4-6 wk
11 Jun
19 Jul
6 wk after
Lemon balm
Melissa officinalis
20 Feb – 6 Mar
26 May
8-10 wk
1 May
21 Jul
0 wk
27 May
11 Jul
4 wk after
Dill
Anethum graveolens
25 Apr
31 Jul
1 wk before
Wild chives
Allium schoenoprasum
6 – 20 Mar
9 Jun
6-8 wk
1 May
21 Jul
0 wk
25 Apr
11 Jul
1 wk before
Spearmint
Mentha spicata
6 Feb – 6 Mar
26 May
8-12 wk
1 May
21 Jul
0 wk
27 May
11 Jul
4 wk after
Coriander
Coriandrum sativum
1 May
20 Aug
0 wk
14 May
10 Aug
2 wk after
Garden sage
Salvia officinalis
20 Feb – 6 Mar
11 May
8-10 wk
1 May
6 Jul
0 wk
Common thyme
Thymus vulgaris
20 Feb – 6 Mar
16 May
8-10 wk
1 May
11 Jul
0 wk
Oregano
Origanum vulgare
6 – 20 Mar
30 May
6-8 wk
1 May
11 Jul
0 wk
27 May
1 Jul
4 wk after
Parsley
Petroselinum crispum
6 – 20 Mar
30 May
6-8 wk
1 May
11 Jul
0 wk
25 Apr
1 Jul
1 wk before
Rosemary
Salvia rosmarinus
23 Jan – 20 Feb
12 Apr
10-14 wk
1 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
14 – 21 May
28 Jun
3-4 wk
11 Jun
19 Jul
6 wk after
Cornflower
Centaurea cyanus
1 May
21 Jul
0 wk
25 Apr
11 Jul
1 wk before
Statice
Limonium sinuatum
19 Mar – 2 Apr
16 May
8-10 wk
28 May
11 Jul
4 wk after
Sweet William
Dianthus barbatus
6 – 20 Mar
6-8 wk
1 May
0 wk
6 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
2 – 16 Apr
30 May
6-8 wk
28 May
11 Jul
4 wk after
14 Jul
11 wk after
Pinnate dahlia
Dahlia × pinnata
28 Mar – 11 Apr
30 May
6-8 wk
23 May
11 Jul
3 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
1 – 29 Apr
13 Jun
4-8 wk
27 May
11 Jul
4 wk after
27 May
1 Jul
4 wk after
Foxglove
Digitalis purpurea
20 Feb – 6 Mar
8-10 wk
1 May
0 wk
14 May
2 wk after
Busy lizzie
Impatiens walleriana
19 Mar – 16 Apr
11 Jul
8-12 wk
11 Jun
5 Sep
6 wk after
Creeping zinnia
Sanvitalia procumbens
2 – 16 Apr
9 Jun
6-8 wk
28 May
21 Jul
4 wk after
Hyacinth bean
Dolichos lablab
18 May – 1 Jun
4-6 wk
29 Jun
8 wk after
Chinese lantern
Physalis alkekengi
20 Feb – 6 Mar
26 Apr
8-10 wk
1 May
21 Jun
0 wk
Love in a mist
Nigella damascena
1 May
6 Jul
0 wk
25 Apr
26 Jun
1 wk before
Strawflower
Xerochrysum bracteatum
2 – 16 Apr
20 May
6-8 wk
28 May
1 Jul
4 wk after
14 Jul
11 wk after
Purple-top vervain
Verbena bonariensis
6 Feb – 6 Mar
26 Apr
8-12 wk
1 May
21 Jun
0 wk
Cardoon
Cynara cardunculus
5 Mar – 2 Apr
27 Mar
8-12 wk
28 May
4 wk after
Regal-foxtail
Ptilotus nobilis
19 Mar – 16 Apr
14 May
8-12 wk
11 Jun
9 Jul
6 wk after
Globe amaranth
Gomphrena globosa
16 – 30 Apr
28 May
6-8 wk
11 Jun
9 Jul
6 wk after
Corn poppy
Papaver rhoeas
1 May
21 Jul
0 wk
25 Apr
11 Jul
1 wk before
Snapdragon
Antirrhinum majus
6 Feb – 6 Mar
16 May
8-12 wk
1 May
11 Jul
0 wk
6 May
1 Jul
1 wk after
Flossflower
Ageratum houstonianum
2 – 16 Apr
26 May
8-10 wk
11 Jun
21 Jul
6 wk after
Sweet pea
Lathyrus odoratus
6 – 27 Mar
6 Jun
5-8 wk
1 May
11 Jul
0 wk
Stock
Matthiola incana
6 – 20 Mar
9 Jun
6-8 wk
1 May
21 Jul
0 wk
14 May
11 Jul
2 wk after
Wormwood
Artemisia absinthium
6 – 20 Mar
10 May
6-8 wk
1 May
21 Jun
0 wk
14 May
11 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
30 Apr – 14 May
6 Jun
4-6 wk
11 Jun
4 Jul
6 wk after
Garden pansy
Viola × wittrockiana
20 Feb – 6 Mar
26 May
8-10 wk
1 May
21 Jul
0 wk
6 May
11 Jul
1 wk after
Petunia
Petunia
5 Mar – 2 Apr
16 May
8-12 wk
28 May
11 Jul
4 wk after
Sweet Scabious
Scabiosa atropurpurea
6 – 20 Mar
10 May
6-8 wk
1 May
21 Jun
0 wk
11 Jun
11 Jun
6 wk after
Common zinnia
Zinnia elegans
16 – 30 Apr
23 Jun
4-6 wk
28 May
21 Jul
4 wk after
Common morning glory
Ipomoea purpurea
7 – 21 May
28 Jun
3-5 wk
11 Jun
19 Jul
6 wk after
Garden cosmos
Cosmos bipinnatus
16 – 30 Apr
13 Jun
4-6 wk
28 May
11 Jul
4 wk after
11 Jun
1 Jul
6 wk after
Scarlet milkweed
Asclepias curassavica
6 Apr – 4 May
13 Jun
8-12 wk
29 Jun
8 Aug
8 wk after
Bee balm
Monarda didyma
6 Feb – 6 Mar
26 Apr
8-12 wk
1 May
21 Jun
0 wk
27 May
11 Jun
4 wk after
Yarrow
Achillea millefolium
6 – 20 Mar
10 Apr
6-8 wk
1 May
22 May
0 wk
14 May
2 wk after
Safflower
Carthamus tinctorius
1 May
21 Jun
0 wk
25 Apr
11 Jun
1 wk before
Iceland poppy
Papaver nudicaule
Season too short
6 – 20 Mar
30 May
6-8 wk
1 May
11 Jul
0 wk
16 Mar
1 Jul
7 wk before
Bishop's flower
Ammi majus
20 Mar – 3 Apr
13 Jun
4-6 wk
1 May
11 Jul
0 wk
14 May
1 Jul
2 wk after
Drumsticks
Pycnosorus globosus
19 Mar – 2 Apr
12 Apr
10-12 wk
11 Jun
21 Jun
6 wk after
Sunflower
Helianthus annuus
30 Apr – 7 May
20 Jun
3-4 wk
28 May
11 Jul
4 wk after
27 May
1 Jul
4 wk after
China aster
Callistephus chinensis
2 – 16 Apr
9 Jun
6-8 wk
28 May
21 Jul
4 wk after
11 Jun
11 Jul
6 wk after
Annual phlox
Phlox drummondii
24 Mar – 7 Apr
9 Jun
6-8 wk
19 May
21 Jul
3 wk after
11 Jun
11 Jul
6 wk after
Hollyhock
Alcea rosea
6 – 20 Mar
6-8 wk
1 May
0 wk
14 May
2 wk after
Alpine delphinium
Delphinium elatum
6 Feb – 6 Mar
26 Apr
8-12 wk
1 May
21 Jun
0 wk
27 May
11 Jun
4 wk after
African marigold
Tagetes erecta
2 – 16 Apr
9 Jun
6-8 wk
28 May
21 Jul
4 wk after
Black-eyed Susan
Rudbeckia hirta
6 – 20 Mar
30 May
6-8 wk
1 May
11 Jul
0 wk
11 Jun
1 Jul
6 wk after
Wood sage
Salvia nemorosa
20 Feb – 6 Mar
16 Apr
8-10 wk
1 May
11 Jun
0 wk
27 May
1 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
2 – 30 Apr
7 Jun
6-10 wk
11 Jun
19 Jul
6 wk after
California goldenpoppy
Eschscholzia californica
1 May
21 Jul
0 wk
25 Apr
11 Jul
1 wk before
Painted tongue
Salpiglossis sinuata
19 Mar – 2 Apr
16 May
8-10 wk
28 May
11 Jul
4 wk after
Water forget-me-not
Myosotis scorpioides
6 – 20 Mar
10 May
6-8 wk
1 May
21 Jun
0 wk
14 May
11 Jun
2 wk after