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Near frost tonight at 03:00. Bring in or cover sensitive plants
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Last 24h: Near frost recorded tonight at 02:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 8 May Frost 1 of 4 years · 20 years of data
Frost-free season 175 days 8 May – 30 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)
20 Mar – 3 Apr
21 Jun
5-7 wk
8 May
26 Jul
0 wk
2 May
16 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
27 Mar – 10 Apr
3 Jul
4-6 wk
8 May
31 Jul
0 wk
2 May
21 Jul
1 wk before
Chili pepper
Capsicum annuum
26 Mar – 23 Apr
15 Apr
8-12 wk
18 Jun
6 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
20 Mar – 3 Apr
16 Jun
5-7 wk
8 May
21 Jul
0 wk
25 Apr
11 Jul
2 wk before
Garden cucumber
Cucumis sativus
21 – 28 May
22 Jun
3-4 wk
18 Jun
13 Jul
6 wk after
Florence Fennel
Foeniculum vulgare
14 – 21 May
13 Jun
4-5 wk
18 Jun
11 Jul
6 wk after
18 Jun
1 Jul
6 wk after
Butter bean
Phaseolus lunatus
Fleece
16 – 23 Jun
3-4 wk
14 Jul
10 wk after
Onion
Allium cepa (Cepa-gruppen)
13 Feb – 13 Mar
6 Apr
8-12 wk
8 May
1 Jun
0 wk
21 May
22 May
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
2 May
21 Jun
1 wk before
2 May
11 Jun
1 wk before
Maize
Zea mays
7 – 14 May
12 Jun
3-4 wk
4 Jun
3 Jul
4 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
10 – 17 Apr
10 Jul
3-4 wk
8 May
31 Jul
0 wk
21 May
21 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
8 May
11 Jul
0 wk
25 Apr
1 Jul
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
20 Mar – 3 Apr
16 Jun
5-7 wk
8 May
21 Jul
0 wk
25 Apr
11 Jul
2 wk before
Potato
Solanum tuberosum
1 – 15 Apr
13 Jun
4-6 wk
13 May
11 Jul
1 wk after
13 May
1 Jul
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
20 Mar – 3 Apr
26 Jun
5-7 wk
8 May
31 Jul
0 wk
2 May
21 Jul
1 wk before
Pumpkin
Cucurbita pepo
21 – 28 May
8 Jul
3-4 wk
18 Jun
29 Jul
6 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
10 – 17 Apr
5 Jul
3-4 wk
8 May
26 Jul
0 wk
21 May
16 Jul
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
27 Mar – 10 Apr
28 Jun
4-6 wk
8 May
26 Jul
0 wk
Lettuce
Lactuca sativa
10 – 17 Apr
15 Jul
3-4 wk
8 May
5 Aug
0 wk
2 May
26 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
27 Mar – 10 Apr
28 Jun
4-6 wk
8 May
26 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
28 Mar – 11 Apr
7 Jun
2-4 wk
25 Apr
21 Jun
2 wk before
25 Apr
11 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
2 May
21 Jun
1 wk before
2 May
11 Jun
1 wk before
Spinach
Spinacia oleracea
10 – 17 Apr
30 Jul
3-4 wk
8 May
20 Aug
0 wk
18 Apr
10 Aug
3 wk before
Sweet potato
Ipomoea batatas
9 – 23 Jun
4-6 wk
21 Jul
11 wk after
Garden tomato
Solanum lycopersicum
9 – 23 Apr
22 May
6-8 wk
4 Jun
3 Jul
4 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
7 – 21 May
10 Jul
2-4 wk
4 Jun
24 Jul
4 wk after
18 Jun
14 Jul
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
27 Mar – 10 Apr
28 Jun
4-6 wk
8 May
26 Jul
0 wk
Garden pea
Pisum sativum
10 – 17 Apr
30 Jun
3-4 wk
8 May
21 Jul
0 wk
2 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
7 – 21 May
16 Jun
4-6 wk
18 Jun
14 Jul
6 wk after
Lemon balm
Melissa officinalis
27 Feb – 13 Mar
26 May
8-10 wk
8 May
21 Jul
0 wk
3 Jun
11 Jul
4 wk after
Dill
Anethum graveolens
2 May
31 Jul
1 wk before
Wild chives
Allium schoenoprasum
13 – 27 Mar
9 Jun
6-8 wk
8 May
21 Jul
0 wk
2 May
11 Jul
1 wk before
Spearmint
Mentha spicata
13 Feb – 13 Mar
26 May
8-12 wk
8 May
21 Jul
0 wk
3 Jun
11 Jul
4 wk after
Coriander
Coriandrum sativum
8 May
20 Aug
0 wk
21 May
10 Aug
2 wk after
Garden sage
Salvia officinalis
27 Feb – 13 Mar
11 May
8-10 wk
8 May
6 Jul
0 wk
Common thyme
Thymus vulgaris
27 Feb – 13 Mar
16 May
8-10 wk
8 May
11 Jul
0 wk
Oregano
Origanum vulgare
13 – 27 Mar
30 May
6-8 wk
8 May
11 Jul
0 wk
3 Jun
1 Jul
4 wk after
Parsley
Petroselinum crispum
13 – 27 Mar
30 May
6-8 wk
8 May
11 Jul
0 wk
2 May
1 Jul
1 wk before
Rosemary
Salvia rosmarinus
30 Jan – 27 Feb
12 Apr
10-14 wk
8 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
21 – 28 May
23 Jun
3-4 wk
18 Jun
14 Jul
6 wk after
Cornflower
Centaurea cyanus
8 May
21 Jul
0 wk
2 May
11 Jul
1 wk before
Statice
Limonium sinuatum
26 Mar – 9 Apr
16 May
8-10 wk
4 Jun
11 Jul
4 wk after
Sweet William
Dianthus barbatus
13 – 27 Mar
6-8 wk
8 May
0 wk
13 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
9 – 23 Apr
30 May
6-8 wk
4 Jun
11 Jul
4 wk after
21 Jul
11 wk after
Pinnate dahlia
Dahlia × pinnata
4 – 18 Apr
30 May
6-8 wk
30 May
11 Jul
3 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
8 Apr – 6 May
13 Jun
4-8 wk
3 Jun
11 Jul
4 wk after
3 Jun
1 Jul
4 wk after
Foxglove
Digitalis purpurea
27 Feb – 13 Mar
8-10 wk
8 May
0 wk
21 May
2 wk after
Busy lizzie
Impatiens walleriana
26 Mar – 23 Apr
11 Jul
8-12 wk
18 Jun
5 Sep
6 wk after
Creeping zinnia
Sanvitalia procumbens
9 – 23 Apr
9 Jun
6-8 wk
4 Jun
21 Jul
4 wk after
Hyacinth bean
Dolichos lablab
Fleece
7 – 21 May
17 May
4-6 wk
18 Jun
6 wk after
Chinese lantern
Physalis alkekengi
27 Feb – 13 Mar
26 Apr
8-10 wk
8 May
21 Jun
0 wk
Love in a mist
Nigella damascena
8 May
6 Jul
0 wk
2 May
26 Jun
1 wk before
Strawflower
Xerochrysum bracteatum
9 – 23 Apr
20 May
6-8 wk
4 Jun
1 Jul
4 wk after
21 Jul
11 wk after
Purple-top vervain
Verbena bonariensis
13 Feb – 13 Mar
26 Apr
8-12 wk
8 May
21 Jun
0 wk
Cardoon
Cynara cardunculus
12 Mar – 9 Apr
27 Mar
8-12 wk
4 Jun
4 wk after
Regal-foxtail
Ptilotus nobilis
26 Mar – 23 Apr
9 May
8-12 wk
18 Jun
4 Jul
6 wk after
Globe amaranth
Gomphrena globosa
23 Apr – 7 May
23 May
6-8 wk
18 Jun
4 Jul
6 wk after
Corn poppy
Papaver rhoeas
8 May
21 Jul
0 wk
2 May
11 Jul
1 wk before
Snapdragon
Antirrhinum majus
13 Feb – 13 Mar
16 May
8-12 wk
8 May
11 Jul
0 wk
13 May
1 Jul
1 wk after
Flossflower
Ageratum houstonianum
9 – 23 Apr
26 May
8-10 wk
18 Jun
21 Jul
6 wk after
Sweet pea
Lathyrus odoratus
13 Mar – 3 Apr
6 Jun
5-8 wk
8 May
11 Jul
0 wk
Stock
Matthiola incana
13 – 27 Mar
9 Jun
6-8 wk
8 May
21 Jul
0 wk
21 May
11 Jul
2 wk after
Wormwood
Artemisia absinthium
13 – 27 Mar
10 May
6-8 wk
8 May
21 Jun
0 wk
21 May
11 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
7 – 21 May
1 Jun
4-6 wk
18 Jun
29 Jun
6 wk after
Garden pansy
Viola × wittrockiana
27 Feb – 13 Mar
26 May
8-10 wk
8 May
21 Jul
0 wk
13 May
11 Jul
1 wk after
Petunia
Petunia
12 Mar – 9 Apr
16 May
8-12 wk
4 Jun
11 Jul
4 wk after
Sweet Scabious
Scabiosa atropurpurea
13 – 27 Mar
10 May
6-8 wk
8 May
21 Jun
0 wk
18 Jun
6 wk after
Common zinnia
Zinnia elegans
23 Apr – 7 May
23 Jun
4-6 wk
4 Jun
21 Jul
4 wk after
Common morning glory
Ipomoea purpurea
14 – 28 May
23 Jun
3-5 wk
18 Jun
14 Jul
6 wk after
Garden cosmos
Cosmos bipinnatus
23 Apr – 7 May
13 Jun
4-6 wk
4 Jun
11 Jul
4 wk after
18 Jun
1 Jul
6 wk after
Scarlet milkweed
Asclepias curassavica
13 Apr – 11 May
8 Jun
8-12 wk
6 Jul
3 Aug
8 wk after
Bee balm
Monarda didyma
13 Feb – 13 Mar
26 Apr
8-12 wk
8 May
21 Jun
0 wk
3 Jun
11 Jun
4 wk after
Yarrow
Achillea millefolium
13 – 27 Mar
10 Apr
6-8 wk
8 May
22 May
0 wk
21 May
2 wk after
Safflower
Carthamus tinctorius
8 May
21 Jun
0 wk
2 May
11 Jun
1 wk before
Iceland poppy
Papaver nudicaule
Season too short
13 – 27 Mar
30 May
6-8 wk
8 May
11 Jul
0 wk
23 Mar
1 Jul
7 wk before
Bishop's flower
Ammi majus
27 Mar – 10 Apr
13 Jun
4-6 wk
8 May
11 Jul
0 wk
21 May
1 Jul
2 wk after
Drumsticks
Pycnosorus globosus
26 Mar – 9 Apr
12 Apr
10-12 wk
18 Jun
21 Jun
6 wk after
Sunflower
Helianthus annuus
7 – 14 May
20 Jun
3-4 wk
4 Jun
11 Jul
4 wk after
3 Jun
1 Jul
4 wk after
China aster
Callistephus chinensis
9 – 23 Apr
9 Jun
6-8 wk
4 Jun
21 Jul
4 wk after
18 Jun
11 Jul
6 wk after
Annual phlox
Phlox drummondii
31 Mar – 14 Apr
9 Jun
6-8 wk
26 May
21 Jul
3 wk after
18 Jun
11 Jul
6 wk after
Hollyhock
Alcea rosea
13 – 27 Mar
6-8 wk
8 May
0 wk
21 May
2 wk after
Alpine delphinium
Delphinium elatum
13 Feb – 13 Mar
26 Apr
8-12 wk
8 May
21 Jun
0 wk
3 Jun
11 Jun
4 wk after
African marigold
Tagetes erecta
9 – 23 Apr
9 Jun
6-8 wk
4 Jun
21 Jul
4 wk after
Black-eyed Susan
Rudbeckia hirta
13 – 27 Mar
30 May
6-8 wk
8 May
11 Jul
0 wk
18 Jun
1 Jul
6 wk after
Wood sage
Salvia nemorosa
27 Feb – 13 Mar
16 Apr
8-10 wk
8 May
11 Jun
0 wk
3 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
9 Apr – 7 May
2 Jun
6-10 wk
18 Jun
14 Jul
6 wk after
California goldenpoppy
Eschscholzia californica
8 May
21 Jul
0 wk
2 May
11 Jul
1 wk before
Painted tongue
Salpiglossis sinuata
26 Mar – 9 Apr
16 May
8-10 wk
4 Jun
11 Jul
4 wk after
Water forget-me-not
Myosotis scorpioides
13 – 27 Mar
10 May
6-8 wk
8 May
21 Jun
0 wk
21 May
11 Jun
2 wk after