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0.3°
Near frost tonight at 05:00. Bring in or cover sensitive plants
-2.9°
Last 24h: Slight frost recorded last night at 05:00. Inspect for frost damage
No frost in sight Last frost normally in 9 days (19 May), but frost-free in the forecast.
Method
Rel. frost
Last spring frost (0°C) 19 May Frost 1 of 10 years · 20 years of data
Frost-free season 147 days 19 May – 13 Oct
Probability that frost is over

90% = Half of years are frost-free by this date. More about frost & season →

Custom date

Vegetables

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