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-1.1°
Last 24h: Slight frost recorded tonight at 05:00. Inspect for frost damage
No frost in sight Last frost normally in 1 days (10 May), but frost-free in the forecast.
Method
Rel. frost
Last spring frost (0°C) 10 May Frost 1 of 4 years · 20 years of data
Frost-free season 161 days 10 May – 18 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)
22 Mar – 5 Apr
19 Jun
5-7 wk
10 May
24 Jul
0 wk
3 May
14 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
29 Mar – 12 Apr
1 Jul
4-6 wk
10 May
29 Jul
0 wk
3 May
19 Jul
1 wk before
Chili pepper
Capsicum annuum
Fleece
6 Mar – 3 Apr
22 Apr
8-12 wk
29 May
17 Jun
3 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
22 Mar – 5 Apr
14 Jun
5-7 wk
10 May
19 Jul
0 wk
28 Apr
9 Jul
2 wk before
Garden cucumber
Cucumis sativus
18 – 25 May
16 Jun
3-4 wk
15 Jun
7 Jul
5 wk after
Florence Fennel
Foeniculum vulgare
11 – 18 May
11 Jun
4-5 wk
15 Jun
9 Jul
5 wk after
15 Jun
29 Jun
5 wk after
Butter bean
Phaseolus lunatus
Fleece
8 – 15 Jun
3-4 wk
6 Jul
8 wk after
Onion
Allium cepa (Cepa-gruppen)
15 Feb – 15 Mar
4 Apr
8-12 wk
10 May
30 May
0 wk
20 May
20 May
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
3 May
19 Jun
1 wk before
3 May
9 Jun
1 wk before
Maize
Zea mays
1 – 8 May
6 Jun
3-4 wk
29 May
27 Jun
3 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
18 – 25 Apr
8 Jul
3-4 wk
16 May
29 Jul
1 wk after
20 May
19 Jul
1 wk after
Carrot
Daucus carota subsp. sativus var. sativus
10 May
9 Jul
0 wk
28 Apr
29 Jun
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
22 Mar – 5 Apr
14 Jun
5-7 wk
10 May
19 Jul
0 wk
28 Apr
9 Jul
2 wk before
Potato
Solanum tuberosum
3 – 17 Apr
11 Jun
4-6 wk
15 May
9 Jul
1 wk after
15 May
29 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
22 Mar – 5 Apr
24 Jun
5-7 wk
10 May
29 Jul
0 wk
3 May
19 Jul
1 wk before
Pumpkin
Cucurbita pepo
18 – 25 May
4 Jul
3-4 wk
15 Jun
25 Jul
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
18 – 25 Apr
23 Jun
3-4 wk
16 May
14 Jul
1 wk after
20 May
4 Jul
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
29 Mar – 12 Apr
26 Jun
4-6 wk
10 May
24 Jul
0 wk
Lettuce
Lactuca sativa
12 – 19 Apr
13 Jul
3-4 wk
10 May
3 Aug
0 wk
3 May
24 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
29 Mar – 12 Apr
26 Jun
4-6 wk
10 May
24 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
31 Mar – 14 Apr
5 Jun
2-4 wk
28 Apr
19 Jun
2 wk before
28 Apr
9 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
3 May
19 Jun
1 wk before
3 May
9 Jun
1 wk before
Spinach
Spinacia oleracea
12 – 19 Apr
28 Jul
3-4 wk
10 May
18 Aug
0 wk
22 Apr
8 Aug
3 wk before
Sweet potato
Ipomoea batatas
6 – 20 Jun
4-6 wk
18 Jul
10 wk after
Garden tomato
Solanum lycopersicum
3 – 17 Apr
16 May
6-8 wk
29 May
27 Jun
3 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
1 – 15 May
6 Jul
2-4 wk
29 May
20 Jul
3 wk after
15 Jun
10 Jul
5 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
29 Mar – 12 Apr
26 Jun
4-6 wk
10 May
24 Jul
0 wk
Garden pea
Pisum sativum
12 – 19 Apr
28 Jun
3-4 wk
10 May
19 Jul
0 wk
3 May
9 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
4 – 18 May
12 Jun
4-6 wk
15 Jun
10 Jul
5 wk after
Lemon balm
Melissa officinalis
1 – 15 Mar
24 May
8-10 wk
10 May
19 Jul
0 wk
31 May
9 Jul
3 wk after
Dill
Anethum graveolens
3 May
29 Jul
1 wk before
Wild chives
Allium schoenoprasum
15 – 29 Mar
7 Jun
6-8 wk
10 May
19 Jul
0 wk
3 May
9 Jul
1 wk before
Spearmint
Mentha spicata
15 Feb – 15 Mar
24 May
8-12 wk
10 May
19 Jul
0 wk
31 May
9 Jul
3 wk after
Coriander
Coriandrum sativum
10 May
18 Aug
0 wk
20 May
8 Aug
1 wk after
Garden sage
Salvia officinalis
7 – 21 Mar
9 May
8-10 wk
16 May
4 Jul
1 wk after
Common thyme
Thymus vulgaris
1 – 15 Mar
14 May
8-10 wk
10 May
9 Jul
0 wk
Oregano
Origanum vulgare
15 – 29 Mar
28 May
6-8 wk
10 May
9 Jul
0 wk
31 May
29 Jun
3 wk after
Parsley
Petroselinum crispum
15 – 29 Mar
28 May
6-8 wk
10 May
9 Jul
0 wk
3 May
29 Jun
1 wk before
Rosemary
Salvia rosmarinus
7 Feb – 7 Mar
10 Apr
10-14 wk
16 May
19 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
18 – 25 May
19 Jun
3-4 wk
15 Jun
10 Jul
5 wk after
Cornflower
Centaurea cyanus
10 May
19 Jul
0 wk
3 May
9 Jul
1 wk before
Statice
Limonium sinuatum
20 Mar – 3 Apr
14 May
8-10 wk
29 May
9 Jul
3 wk after
Sweet William
Dianthus barbatus
15 – 29 Mar
6-8 wk
10 May
0 wk
15 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
3 – 17 Apr
28 May
6-8 wk
29 May
9 Jul
3 wk after
18 Jul
10 wk after
Pinnate dahlia
Dahlia × pinnata
29 Mar – 12 Apr
28 May
6-8 wk
24 May
9 Jul
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
5 Apr – 3 May
11 Jun
4-8 wk
31 May
9 Jul
3 wk after
31 May
29 Jun
3 wk after
Foxglove
Digitalis purpurea
1 – 15 Mar
8-10 wk
10 May
0 wk
20 May
1 wk after
Busy lizzie
Impatiens walleriana
23 Mar – 20 Apr
7 Jul
8-12 wk
15 Jun
1 Sep
5 wk after
Creeping zinnia
Sanvitalia procumbens
3 – 17 Apr
7 Jun
6-8 wk
29 May
19 Jul
3 wk after
Hyacinth bean
Dolichos lablab
Fleece
4 – 18 May
13 May
4-6 wk
15 Jun
5 wk after
Chinese lantern
Physalis alkekengi
7 – 21 Mar
24 Apr
8-10 wk
16 May
19 Jun
1 wk after
Love in a mist
Nigella damascena
10 May
4 Jul
0 wk
3 May
24 Jun
1 wk before
Strawflower
Xerochrysum bracteatum
3 – 17 Apr
18 May
6-8 wk
29 May
29 Jun
3 wk after
18 Jul
10 wk after
Purple-top vervain
Verbena bonariensis
21 Feb – 21 Mar
24 Apr
8-12 wk
16 May
19 Jun
1 wk after
Cardoon
Cynara cardunculus
6 Mar – 3 Apr
25 Mar
8-12 wk
29 May
3 wk after
Regal-foxtail
Ptilotus nobilis
23 Mar – 20 Apr
5 May
8-12 wk
15 Jun
30 Jun
5 wk after
Globe amaranth
Gomphrena globosa
20 Apr – 4 May
19 May
6-8 wk
15 Jun
30 Jun
5 wk after
Corn poppy
Papaver rhoeas
10 May
19 Jul
0 wk
3 May
9 Jul
1 wk before
Snapdragon
Antirrhinum majus
15 Feb – 15 Mar
14 May
8-12 wk
10 May
9 Jul
0 wk
15 May
29 Jun
1 wk after
Flossflower
Ageratum houstonianum
6 – 20 Apr
24 May
8-10 wk
15 Jun
19 Jul
5 wk after
Sweet pea
Lathyrus odoratus
15 Mar – 5 Apr
4 Jun
5-8 wk
10 May
9 Jul
0 wk
Stock
Matthiola incana
15 – 29 Mar
7 Jun
6-8 wk
10 May
19 Jul
0 wk
20 May
9 Jul
1 wk after
Wormwood
Artemisia absinthium
15 – 29 Mar
8 May
6-8 wk
10 May
19 Jun
0 wk
20 May
9 Jun
1 wk after
Mexican sunflower
Tithonia rotundifolia
4 – 18 May
28 May
4-6 wk
15 Jun
25 Jun
5 wk after
Garden pansy
Viola × wittrockiana
1 – 15 Mar
24 May
8-10 wk
10 May
19 Jul
0 wk
15 May
9 Jul
1 wk after
Petunia
Petunia
6 Mar – 3 Apr
14 May
8-12 wk
29 May
9 Jul
3 wk after
Sweet Scabious
Scabiosa atropurpurea
21 Mar – 4 Apr
8 May
6-8 wk
16 May
19 Jun
1 wk after
15 Jun
5 wk after
Common zinnia
Zinnia elegans
17 Apr – 1 May
19 Jun
4-6 wk
29 May
17 Jul
3 wk after
Common morning glory
Ipomoea purpurea
11 – 25 May
19 Jun
3-5 wk
15 Jun
10 Jul
5 wk after
Garden cosmos
Cosmos bipinnatus
17 Apr – 1 May
11 Jun
4-6 wk
29 May
9 Jul
3 wk after
15 Jun
29 Jun
5 wk after
Scarlet milkweed
Asclepias curassavica
4 Apr – 2 May
4 Jun
8-12 wk
27 Jun
30 Jul
7 wk after
Bee balm
Monarda didyma
15 Feb – 15 Mar
24 Apr
8-12 wk
10 May
19 Jun
0 wk
31 May
9 Jun
3 wk after
Yarrow
Achillea millefolium
15 – 29 Mar
8 Apr
6-8 wk
10 May
20 May
0 wk
20 May
1 wk after
Safflower
Carthamus tinctorius
10 May
19 Jun
0 wk
3 May
9 Jun
1 wk before
Iceland poppy
Papaver nudicaule
Season too short
15 – 29 Mar
28 May
6-8 wk
10 May
9 Jul
0 wk
1 Apr
29 Jun
6 wk before
Bishop's flower
Ammi majus
29 Mar – 12 Apr
11 Jun
4-6 wk
10 May
9 Jul
0 wk
20 May
29 Jun
1 wk after
Drumsticks
Pycnosorus globosus
23 Mar – 6 Apr
8 Apr
10-12 wk
15 Jun
17 Jun
5 wk after
Sunflower
Helianthus annuus
1 – 8 May
18 Jun
3-4 wk
29 May
9 Jul
3 wk after
31 May
29 Jun
3 wk after
China aster
Callistephus chinensis
3 – 17 Apr
7 Jun
6-8 wk
29 May
19 Jul
3 wk after
15 Jun
9 Jul
5 wk after
Annual phlox
Phlox drummondii
26 Mar – 9 Apr
7 Jun
6-8 wk
21 May
19 Jul
2 wk after
15 Jun
9 Jul
5 wk after
Hollyhock
Alcea rosea
15 – 29 Mar
6-8 wk
10 May
0 wk
20 May
1 wk after
Alpine delphinium
Delphinium elatum
15 Feb – 15 Mar
24 Apr
8-12 wk
10 May
19 Jun
0 wk
31 May
9 Jun
3 wk after
African marigold
Tagetes erecta
3 – 17 Apr
7 Jun
6-8 wk
29 May
19 Jul
3 wk after
Black-eyed Susan
Rudbeckia hirta
21 Mar – 4 Apr
28 May
6-8 wk
16 May
9 Jul
1 wk after
15 Jun
29 Jun
5 wk after
Wood sage
Salvia nemorosa
1 – 15 Mar
14 Apr
8-10 wk
10 May
9 Jun
0 wk
31 May
3 wk after
Black-eyed susan vine
Thunbergia alata
6 Apr – 4 May
29 May
6-10 wk
15 Jun
10 Jul
5 wk after
California goldenpoppy
Eschscholzia californica
10 May
19 Jul
0 wk
3 May
9 Jul
1 wk before
Painted tongue
Salpiglossis sinuata
20 Mar – 3 Apr
14 May
8-10 wk
29 May
9 Jul
3 wk after
Water forget-me-not
Myosotis scorpioides
15 – 29 Mar
8 May
6-8 wk
10 May
19 Jun
0 wk
20 May
9 Jun
1 wk after