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-0.2°
Last 24h: Slight frost recorded tonight at 05:00. Inspect for frost damage
No frost in sight Last frost normally in 6 days (15 May), but frost-free in the forecast.
Method
Rel. frost
Last spring frost (0°C) 15 May Frost 1 of 10 years · 20 years of data
Frost-free season 156 days 15 May – 18 Oct
Probability that frost is over

90% = 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)
27 Mar – 10 Apr
18 Jun
5-7 wk
15 May
23 Jul
0 wk
8 May
13 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
3 – 17 Apr
30 Jun
4-6 wk
15 May
28 Jul
0 wk
8 May
18 Jul
1 wk before
Chili pepper
Capsicum annuum
Greenhouse
3 – 31 Mar
18 Mar
8-12 wk
26 May
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
27 Mar – 10 Apr
13 Jun
5-7 wk
15 May
18 Jul
0 wk
3 May
8 Jul
2 wk before
Garden cucumber
Cucumis sativus
Fleece
6 – 13 May
12 May
3-4 wk
3 Jun
3 wk after
Florence Fennel
Foeniculum vulgare
16 – 23 May
10 Jun
4-5 wk
20 Jun
8 Jul
5 wk after
20 Jun
28 Jun
5 wk after
Butter bean
Phaseolus lunatus
Season too short
30 May – 6 Jun
3-4 wk
27 Jun
6 wk after
Onion
Allium cepa (Cepa-gruppen)
20 Feb – 20 Mar
3 Apr
8-12 wk
15 May
29 May
0 wk
25 May
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
8 May
18 Jun
1 wk before
8 May
8 Jun
1 wk before
Maize
Zea mays
Fleece
28 Apr – 5 May
2 May
3-4 wk
26 May
2 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
23 – 30 Apr
7 Jul
3-4 wk
21 May
28 Jul
1 wk after
25 May
18 Jul
1 wk after
Carrot
Daucus carota subsp. sativus var. sativus
15 May
8 Jul
0 wk
3 May
28 Jun
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
27 Mar – 10 Apr
13 Jun
5-7 wk
15 May
18 Jul
0 wk
3 May
8 Jul
2 wk before
Potato
Solanum tuberosum
8 – 22 Apr
10 Jun
4-6 wk
20 May
8 Jul
1 wk after
20 May
28 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
27 Mar – 10 Apr
23 Jun
5-7 wk
15 May
28 Jul
0 wk
8 May
18 Jul
1 wk before
Pumpkin
Cucurbita pepo
23 – 30 May
3-4 wk
20 Jun
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
23 – 30 Apr
1 Jul
3-4 wk
21 May
22 Jul
1 wk after
25 May
12 Jul
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
3 – 17 Apr
25 Jun
4-6 wk
15 May
23 Jul
0 wk
Lettuce
Lactuca sativa
17 – 24 Apr
12 Jul
3-4 wk
15 May
2 Aug
0 wk
8 May
23 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
3 – 17 Apr
25 Jun
4-6 wk
15 May
23 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
5 – 19 Apr
4 Jun
2-4 wk
3 May
18 Jun
2 wk before
3 May
8 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
8 May
18 Jun
1 wk before
8 May
8 Jun
1 wk before
Spinach
Spinacia oleracea
17 – 24 Apr
27 Jul
3-4 wk
15 May
17 Aug
0 wk
27 Apr
7 Aug
3 wk before
Sweet potato
Ipomoea batatas
11 – 25 Jun
4-6 wk
23 Jul
10 wk after
Garden tomato
Solanum lycopersicum
Fleece
31 Mar – 14 Apr
11 Apr
6-8 wk
26 May
2 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
6 – 20 May
19 May
2-4 wk
3 Jun
3 wk after
20 Jun
5 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
3 – 17 Apr
25 Jun
4-6 wk
15 May
23 Jul
0 wk
Garden pea
Pisum sativum
17 – 24 Apr
27 Jun
3-4 wk
15 May
18 Jul
0 wk
8 May
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
9 – 23 May
4-6 wk
20 Jun
5 wk after
Lemon balm
Melissa officinalis
6 – 20 Mar
23 May
8-10 wk
15 May
18 Jul
0 wk
5 Jun
8 Jul
3 wk after
Dill
Anethum graveolens
8 May
28 Jul
1 wk before
Wild chives
Allium schoenoprasum
20 Mar – 3 Apr
6 Jun
6-8 wk
15 May
18 Jul
0 wk
8 May
8 Jul
1 wk before
Spearmint
Mentha spicata
20 Feb – 20 Mar
23 May
8-12 wk
15 May
18 Jul
0 wk
5 Jun
8 Jul
3 wk after
Coriander
Coriandrum sativum
15 May
17 Aug
0 wk
25 May
7 Aug
1 wk after
Garden sage
Salvia officinalis
12 – 26 Mar
8 May
8-10 wk
21 May
3 Jul
1 wk after
Common thyme
Thymus vulgaris
6 – 20 Mar
13 May
8-10 wk
15 May
8 Jul
0 wk
Oregano
Origanum vulgare
20 Mar – 3 Apr
27 May
6-8 wk
15 May
8 Jul
0 wk
5 Jun
28 Jun
3 wk after
Parsley
Petroselinum crispum
20 Mar – 3 Apr
27 May
6-8 wk
15 May
8 Jul
0 wk
8 May
28 Jun
1 wk before
Rosemary
Salvia rosmarinus
12 Feb – 12 Mar
9 Apr
10-14 wk
21 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
23 – 30 May
3-4 wk
20 Jun
5 wk after
Cornflower
Centaurea cyanus
15 May
18 Jul
0 wk
8 May
8 Jul
1 wk before
Statice
Limonium sinuatum
25 Mar – 8 Apr
17 Apr
8-10 wk
3 Jun
12 Jun
3 wk after
Sweet William
Dianthus barbatus
20 Mar – 3 Apr
6-8 wk
15 May
0 wk
20 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
8 – 22 Apr
1 May
6-8 wk
3 Jun
12 Jun
3 wk after
23 Jul
10 wk after
Pinnate dahlia
Dahlia × pinnata
3 – 17 Apr
15 May
6-8 wk
29 May
26 Jun
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
10 Apr – 8 May
29 May
4-8 wk
5 Jun
26 Jun
3 wk after
5 Jun
16 Jun
3 wk after
Foxglove
Digitalis purpurea
6 – 20 Mar
8-10 wk
15 May
0 wk
25 May
1 wk after
Busy lizzie
Impatiens walleriana
28 Mar – 25 Apr
8 Jun
8-12 wk
20 Jun
3 Aug
5 wk after
Creeping zinnia
Sanvitalia procumbens
8 – 22 Apr
11 May
6-8 wk
3 Jun
22 Jun
3 wk after
Hyacinth bean
Dolichos lablab
Greenhouse
22 Apr – 6 May
4-6 wk
3 Jun
3 wk after
Chinese lantern
Physalis alkekengi
12 – 26 Mar
23 Apr
8-10 wk
21 May
18 Jun
1 wk after
Love in a mist
Nigella damascena
15 May
3 Jul
0 wk
8 May
23 Jun
1 wk before
Strawflower
Xerochrysum bracteatum
8 – 22 Apr
21 Apr
6-8 wk
3 Jun
3 wk after
23 Jul
10 wk after
Purple-top vervain
Verbena bonariensis
26 Feb – 26 Mar
23 Apr
8-12 wk
21 May
18 Jun
1 wk after
Cardoon
Cynara cardunculus
11 Mar – 8 Apr
24 Mar
8-12 wk
3 Jun
3 wk after
Regal-foxtail
Ptilotus nobilis
Fleece
11 Mar – 8 Apr
13 Apr
8-12 wk
3 Jun
8 Jun
3 wk after
Globe amaranth
Gomphrena globosa
Fleece
8 – 22 Apr
27 Apr
6-8 wk
3 Jun
8 Jun
3 wk after
Corn poppy
Papaver rhoeas
15 May
18 Jul
0 wk
8 May
8 Jul
1 wk before
Snapdragon
Antirrhinum majus
20 Feb – 20 Mar
13 May
8-12 wk
15 May
8 Jul
0 wk
20 May
28 Jun
1 wk after
Flossflower
Ageratum houstonianum
11 – 25 Apr
27 Apr
8-10 wk
20 Jun
22 Jun
5 wk after
Sweet pea
Lathyrus odoratus
20 Mar – 10 Apr
3 Jun
5-8 wk
15 May
8 Jul
0 wk
Stock
Matthiola incana
20 Mar – 3 Apr
6 Jun
6-8 wk
15 May
18 Jul
0 wk
25 May
8 Jul
1 wk after
Wormwood
Artemisia absinthium
20 Mar – 3 Apr
7 May
6-8 wk
15 May
18 Jun
0 wk
25 May
8 Jun
1 wk after
Mexican sunflower
Tithonia rotundifolia
Fleece
22 Apr – 6 May
6 May
4-6 wk
3 Jun
3 Jun
3 wk after
Garden pansy
Viola × wittrockiana
6 – 20 Mar
23 May
8-10 wk
15 May
18 Jul
0 wk
20 May
8 Jul
1 wk after
Petunia
Petunia
11 Mar – 8 Apr
17 Apr
8-12 wk
3 Jun
12 Jun
3 wk after
Sweet Scabious
Scabiosa atropurpurea
26 Mar – 9 Apr
7 May
6-8 wk
21 May
18 Jun
1 wk after
20 Jun
5 wk after
Common zinnia
Zinnia elegans
22 Apr – 6 May
21 May
4-6 wk
3 Jun
18 Jun
3 wk after
Common morning glory
Ipomoea purpurea
16 – 30 May
3-5 wk
20 Jun
5 wk after
Garden cosmos
Cosmos bipinnatus
22 Apr – 6 May
29 May
4-6 wk
3 Jun
26 Jun
3 wk after
20 Jun
5 wk after
Scarlet milkweed
Asclepias curassavica
9 Apr – 7 May
17 Apr
8-12 wk
2 Jul
7 wk after
Bee balm
Monarda didyma
20 Feb – 20 Mar
23 Apr
8-12 wk
15 May
18 Jun
0 wk
5 Jun
8 Jun
3 wk after
Yarrow
Achillea millefolium
20 Mar – 3 Apr
7 Apr
6-8 wk
15 May
19 May
0 wk
25 May
1 wk after
Safflower
Carthamus tinctorius
15 May
18 Jun
0 wk
8 May
8 Jun
1 wk before
Iceland poppy
Papaver nudicaule
Season too short
20 Mar – 3 Apr
27 May
6-8 wk
15 May
8 Jul
0 wk
6 Apr
28 Jun
6 wk before
Bishop's flower
Ammi majus
3 – 17 Apr
10 Jun
4-6 wk
15 May
8 Jul
0 wk
25 May
28 Jun
1 wk after
Drumsticks
Pycnosorus globosus
Fleece
11 – 25 Mar
28 Mar
10-12 wk
3 Jun
6 Jun
3 wk after
Sunflower
Helianthus annuus
6 – 13 May
17 Jun
3-4 wk
3 Jun
8 Jul
3 wk after
5 Jun
28 Jun
3 wk after
China aster
Callistephus chinensis
8 – 22 Apr
6 Jun
6-8 wk
3 Jun
18 Jul
3 wk after
20 Jun
8 Jul
5 wk after
Annual phlox
Phlox drummondii
31 Mar – 14 Apr
11 May
6-8 wk
26 May
22 Jun
2 wk after
20 Jun
5 wk after
Hollyhock
Alcea rosea
20 Mar – 3 Apr
6-8 wk
15 May
0 wk
25 May
1 wk after
Alpine delphinium
Delphinium elatum
20 Feb – 20 Mar
23 Apr
8-12 wk
15 May
18 Jun
0 wk
5 Jun
8 Jun
3 wk after
African marigold
Tagetes erecta
8 – 22 Apr
11 May
6-8 wk
3 Jun
22 Jun
3 wk after
Black-eyed Susan
Rudbeckia hirta
26 Mar – 9 Apr
27 May
6-8 wk
21 May
8 Jul
1 wk after
20 Jun
28 Jun
5 wk after
Wood sage
Salvia nemorosa
6 – 20 Mar
13 Apr
8-10 wk
15 May
8 Jun
0 wk
5 Jun
3 wk after
Black-eyed susan vine
Thunbergia alata
11 Apr – 9 May
11 Apr
6-10 wk
20 Jun
5 wk after
California goldenpoppy
Eschscholzia californica
15 May
18 Jul
0 wk
8 May
8 Jul
1 wk before
Painted tongue
Salpiglossis sinuata
25 Mar – 8 Apr
13 May
8-10 wk
3 Jun
8 Jul
3 wk after
Water forget-me-not
Myosotis scorpioides
20 Mar – 3 Apr
7 May
6-8 wk
15 May
18 Jun
0 wk
25 May
8 Jun
1 wk after