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Last 24h: Near frost recorded tonight at 05:00. Inspect for frost damage
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Rel. frost
Last spring frost (0°C) 3 May Normal year · 20 years of data
Frost-free season 176 days 3 May – 26 Oct
Probability that frost is over

50% = 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)
15 – 29 Mar
18 Jun
5-7 wk
3 May
23 Jul
0 wk
26 Apr
13 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
22 Mar – 5 Apr
30 Jun
4-6 wk
3 May
28 Jul
0 wk
26 Apr
18 Jul
1 wk before
Chili pepper
Capsicum annuum
16 Mar – 13 Apr
2 Apr
8-12 wk
8 Jun
5 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
15 – 29 Mar
13 Jun
5-7 wk
3 May
18 Jul
0 wk
21 Apr
8 Jul
2 wk before
Garden cucumber
Cucumis sativus
11 – 18 May
15 Jun
3-4 wk
8 Jun
6 Jul
5 wk after
Florence Fennel
Foeniculum vulgare
4 – 11 May
10 Jun
4-5 wk
8 Jun
8 Jul
5 wk after
8 Jun
28 Jun
5 wk after
Butter bean
Phaseolus lunatus
Fleece
1 – 8 Jun
3-4 wk
29 Jun
8 wk after
Onion
Allium cepa (Cepa-gruppen)
8 Feb – 8 Mar
3 Apr
8-12 wk
3 May
29 May
0 wk
13 May
19 May
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
26 Apr
18 Jun
1 wk before
26 Apr
8 Jun
1 wk before
Maize
Zea mays
24 Apr – 1 May
5 Jun
3-4 wk
22 May
26 Jun
3 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
11 – 18 Apr
7 Jul
3-4 wk
9 May
28 Jul
1 wk after
13 May
18 Jul
1 wk after
Carrot
Daucus carota subsp. sativus var. sativus
3 May
8 Jul
0 wk
21 Apr
28 Jun
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
15 – 29 Mar
13 Jun
5-7 wk
3 May
18 Jul
0 wk
21 Apr
8 Jul
2 wk before
Potato
Solanum tuberosum
27 Mar – 10 Apr
10 Jun
4-6 wk
8 May
8 Jul
1 wk after
8 May
28 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
15 – 29 Mar
23 Jun
5-7 wk
3 May
28 Jul
0 wk
26 Apr
18 Jul
1 wk before
Pumpkin
Cucurbita pepo
11 – 18 May
3 Jul
3-4 wk
8 Jun
24 Jul
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
11 – 18 Apr
23 Jun
3-4 wk
9 May
14 Jul
1 wk after
13 May
4 Jul
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
22 Mar – 5 Apr
25 Jun
4-6 wk
3 May
23 Jul
0 wk
Lettuce
Lactuca sativa
5 – 12 Apr
12 Jul
3-4 wk
3 May
2 Aug
0 wk
26 Apr
23 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
22 Mar – 5 Apr
25 Jun
4-6 wk
3 May
23 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
24 Mar – 7 Apr
4 Jun
2-4 wk
21 Apr
18 Jun
2 wk before
21 Apr
8 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
26 Apr
18 Jun
1 wk before
26 Apr
8 Jun
1 wk before
Spinach
Spinacia oleracea
5 – 12 Apr
27 Jul
3-4 wk
3 May
17 Aug
0 wk
15 Apr
7 Aug
3 wk before
Sweet potato
Ipomoea batatas
30 May – 13 Jun
4-6 wk
11 Jul
10 wk after
Garden tomato
Solanum lycopersicum
27 Mar – 10 Apr
15 May
6-8 wk
22 May
26 Jun
3 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
24 Apr – 8 May
5 Jul
2-4 wk
22 May
19 Jul
3 wk after
8 Jun
9 Jul
5 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
22 Mar – 5 Apr
25 Jun
4-6 wk
3 May
23 Jul
0 wk
Garden pea
Pisum sativum
5 – 12 Apr
27 Jun
3-4 wk
3 May
18 Jul
0 wk
26 Apr
8 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
27 Apr – 11 May
11 Jun
4-6 wk
8 Jun
9 Jul
5 wk after
Lemon balm
Melissa officinalis
22 Feb – 8 Mar
23 May
8-10 wk
3 May
18 Jul
0 wk
24 May
8 Jul
3 wk after
Dill
Anethum graveolens
26 Apr
28 Jul
1 wk before
Wild chives
Allium schoenoprasum
8 – 22 Mar
6 Jun
6-8 wk
3 May
18 Jul
0 wk
26 Apr
8 Jul
1 wk before
Spearmint
Mentha spicata
8 Feb – 8 Mar
23 May
8-12 wk
3 May
18 Jul
0 wk
24 May
8 Jul
3 wk after
Coriander
Coriandrum sativum
3 May
17 Aug
0 wk
13 May
7 Aug
1 wk after
Garden sage
Salvia officinalis
28 Feb – 14 Mar
8 May
8-10 wk
9 May
3 Jul
1 wk after
Common thyme
Thymus vulgaris
22 Feb – 8 Mar
13 May
8-10 wk
3 May
8 Jul
0 wk
Oregano
Origanum vulgare
8 – 22 Mar
27 May
6-8 wk
3 May
8 Jul
0 wk
24 May
28 Jun
3 wk after
Parsley
Petroselinum crispum
8 – 22 Mar
27 May
6-8 wk
3 May
8 Jul
0 wk
26 Apr
28 Jun
1 wk before
Rosemary
Salvia rosmarinus
31 Jan – 28 Feb
9 Apr
10-14 wk
9 May
18 Jun
1 wk after

Annual flowers

Plant Sow indoors Transplant Direct sow
Earliest Latest Growing time Earliest Latest Rel. frost Earliest Latest Rel. frost
Morning glory
Ipomoea tricolor
11 – 18 May
18 Jun
3-4 wk
8 Jun
9 Jul
5 wk after
Cornflower
Centaurea cyanus
3 May
18 Jul
0 wk
26 Apr
8 Jul
1 wk before
Statice
Limonium sinuatum
13 – 27 Mar
12 May
8-10 wk
22 May
7 Jul
3 wk after
Sweet William
Dianthus barbatus
8 – 22 Mar
6-8 wk
3 May
0 wk
8 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
27 Mar – 10 Apr
26 May
6-8 wk
22 May
7 Jul
3 wk after
11 Jul
10 wk after
Pinnate dahlia
Dahlia × pinnata
22 Mar – 5 Apr
27 May
6-8 wk
17 May
8 Jul
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
29 Mar – 26 Apr
10 Jun
4-8 wk
24 May
8 Jul
3 wk after
24 May
28 Jun
3 wk after
Foxglove
Digitalis purpurea
22 Feb – 8 Mar
8-10 wk
3 May
0 wk
13 May
1 wk after
Busy lizzie
Impatiens walleriana
16 Mar – 13 Apr
5 Jul
8-12 wk
8 Jun
30 Aug
5 wk after
Creeping zinnia
Sanvitalia procumbens
27 Mar – 10 Apr
5 Jun
6-8 wk
22 May
17 Jul
3 wk after
Hyacinth bean
Dolichos lablab
Fleece
27 Apr – 11 May
12 May
4-6 wk
8 Jun
9 Jun
5 wk after
Chinese lantern
Physalis alkekengi
28 Feb – 14 Mar
23 Apr
8-10 wk
9 May
18 Jun
1 wk after
Love in a mist
Nigella damascena
3 May
3 Jul
0 wk
26 Apr
23 Jun
1 wk before
Strawflower
Xerochrysum bracteatum
27 Mar – 10 Apr
16 May
6-8 wk
22 May
27 Jun
3 wk after
11 Jul
10 wk after
Purple-top vervain
Verbena bonariensis
14 Feb – 14 Mar
23 Apr
8-12 wk
9 May
18 Jun
1 wk after
Cardoon
Cynara cardunculus
27 Feb – 27 Mar
24 Mar
8-12 wk
22 May
3 wk after
Regal-foxtail
Ptilotus nobilis
16 Mar – 13 Apr
4 May
8-12 wk
8 Jun
29 Jun
5 wk after
Globe amaranth
Gomphrena globosa
13 – 27 Apr
18 May
6-8 wk
8 Jun
29 Jun
5 wk after
Corn poppy
Papaver rhoeas
3 May
18 Jul
0 wk
26 Apr
8 Jul
1 wk before
Snapdragon
Antirrhinum majus
8 Feb – 8 Mar
13 May
8-12 wk
3 May
8 Jul
0 wk
8 May
28 Jun
1 wk after
Flossflower
Ageratum houstonianum
30 Mar – 13 Apr
22 May
8-10 wk
8 Jun
17 Jul
5 wk after
Sweet pea
Lathyrus odoratus
8 – 29 Mar
3 Jun
5-8 wk
3 May
8 Jul
0 wk
Stock
Matthiola incana
8 – 22 Mar
6 Jun
6-8 wk
3 May
18 Jul
0 wk
13 May
8 Jul
1 wk after
Wormwood
Artemisia absinthium
8 – 22 Mar
7 May
6-8 wk
3 May
18 Jun
0 wk
13 May
8 Jun
1 wk after
Mexican sunflower
Tithonia rotundifolia
27 Apr – 11 May
27 May
4-6 wk
8 Jun
24 Jun
5 wk after
Garden pansy
Viola × wittrockiana
22 Feb – 8 Mar
23 May
8-10 wk
3 May
18 Jul
0 wk
8 May
8 Jul
1 wk after
Petunia
Petunia
27 Feb – 27 Mar
12 May
8-12 wk
22 May
7 Jul
3 wk after
Sweet Scabious
Scabiosa atropurpurea
14 – 28 Mar
7 May
6-8 wk
9 May
18 Jun
1 wk after
8 Jun
8 Jun
5 wk after
Common zinnia
Zinnia elegans
10 – 24 Apr
17 Jun
4-6 wk
22 May
15 Jul
3 wk after
Common morning glory
Ipomoea purpurea
4 – 18 May
18 Jun
3-5 wk
8 Jun
9 Jul
5 wk after
Garden cosmos
Cosmos bipinnatus
10 – 24 Apr
10 Jun
4-6 wk
22 May
8 Jul
3 wk after
8 Jun
28 Jun
5 wk after
Scarlet milkweed
Asclepias curassavica
28 Mar – 25 Apr
3 Jun
8-12 wk
20 Jun
29 Jul
7 wk after
Bee balm
Monarda didyma
8 Feb – 8 Mar
23 Apr
8-12 wk
3 May
18 Jun
0 wk
24 May
8 Jun
3 wk after
Yarrow
Achillea millefolium
8 – 22 Mar
7 Apr
6-8 wk
3 May
19 May
0 wk
13 May
1 wk after
Safflower
Carthamus tinctorius
3 May
18 Jun
0 wk
26 Apr
8 Jun
1 wk before
Iceland poppy
Papaver nudicaule
Season too short
8 – 22 Mar
27 May
6-8 wk
3 May
8 Jul
0 wk
25 Mar
28 Jun
6 wk before
Bishop's flower
Ammi majus
22 Mar – 5 Apr
10 Jun
4-6 wk
3 May
8 Jul
0 wk
13 May
28 Jun
1 wk after
Drumsticks
Pycnosorus globosus
16 – 30 Mar
6 Apr
10-12 wk
8 Jun
15 Jun
5 wk after
Sunflower
Helianthus annuus
24 Apr – 1 May
17 Jun
3-4 wk
22 May
8 Jul
3 wk after
24 May
28 Jun
3 wk after
China aster
Callistephus chinensis
27 Mar – 10 Apr
6 Jun
6-8 wk
22 May
18 Jul
3 wk after
8 Jun
8 Jul
5 wk after
Annual phlox
Phlox drummondii
19 Mar – 2 Apr
5 Jun
6-8 wk
14 May
17 Jul
2 wk after
8 Jun
7 Jul
5 wk after
Hollyhock
Alcea rosea
8 – 22 Mar
6-8 wk
3 May
0 wk
13 May
1 wk after
Alpine delphinium
Delphinium elatum
8 Feb – 8 Mar
23 Apr
8-12 wk
3 May
18 Jun
0 wk
24 May
8 Jun
3 wk after
African marigold
Tagetes erecta
27 Mar – 10 Apr
5 Jun
6-8 wk
22 May
17 Jul
3 wk after
Black-eyed Susan
Rudbeckia hirta
14 – 28 Mar
27 May
6-8 wk
9 May
8 Jul
1 wk after
8 Jun
28 Jun
5 wk after
Wood sage
Salvia nemorosa
22 Feb – 8 Mar
13 Apr
8-10 wk
3 May
8 Jun
0 wk
24 May
29 May
3 wk after
Black-eyed susan vine
Thunbergia alata
30 Mar – 27 Apr
28 May
6-10 wk
8 Jun
9 Jul
5 wk after
California goldenpoppy
Eschscholzia californica
3 May
18 Jul
0 wk
26 Apr
8 Jul
1 wk before
Painted tongue
Salpiglossis sinuata
13 – 27 Mar
13 May
8-10 wk
22 May
8 Jul
3 wk after
Water forget-me-not
Myosotis scorpioides
8 – 22 Mar
7 May
6-8 wk
3 May
18 Jun
0 wk
13 May
8 Jun
1 wk after