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0.7°
Near frost tonight at 01:00. Bring in or cover sensitive plants
-4.0°
Last 24h: Moderate frost recorded last night at 04:00. Inspect for frost damage
Frost is lingering Last frost normally 12 May, The 10-day forecast shows frost Wed.
Method
Rel. frost
Last spring frost (0°C) 12 May Frost 9 of 10 years · 20 years of data
Frost-free season 108 days 12 May – 28 Aug
Probability that frost is over

10% = Half of years are frost-free by this date. More about frost & season →

Custom date
Note: This location has a shorter growing season. Plants marked with Fleece, Greenhouse or Season too short need extra protection or are difficult to grow here.

Vegetables

Plant Sow indoors Transplant Direct sow
Earliest Latest Growing time Earliest Latest Rel. frost Earliest Latest Rel. frost
Cauliflower
Brassica oleracea (Botrytis-gruppen)
24 Mar – 7 Apr
11 Jun
5-7 wk
12 May
16 Jul
0 wk
13 May
6 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
31 Mar – 14 Apr
23 Jun
4-6 wk
12 May
21 Jul
0 wk
13 May
11 Jul
0 wk
Chili pepper
Capsicum annuum
Season too short
28 Feb – 28 Mar
8-12 wk
23 May
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
24 Mar – 7 Apr
6 Jun
5-7 wk
12 May
11 Jul
0 wk
12 May
1 Jul
0 wk
Garden cucumber
Cucumis sativus
Season too short
25 Apr – 2 May
3-4 wk
23 May
2 wk after
Florence Fennel
Foeniculum vulgare
Greenhouse
18 – 25 Apr
24 May
4-5 wk
23 May
21 Jun
2 wk after
25 May
11 Jun
2 wk after
Butter bean
Phaseolus lunatus
Season too short
25 May – 1 Jun
3-4 wk
22 Jun
6 wk after
Onion
Allium cepa (Cepa-gruppen)
Greenhouse
17 Feb – 17 Mar
9 Mar
8-12 wk
12 May
0 wk
12 May
0 wk
Onion (sets)
Allium cepa (Cepa-gruppen)
Greenhouse
3 May
24 May
1 wk before
3 May
14 May
1 wk before
Maize
Zea mays
Season too short
18 – 25 Apr
3-4 wk
16 May
1 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
20 – 27 Apr
13 Jun
3-4 wk
18 May
4 Jul
1 wk after
25 May
24 Jun
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
12 May
21 Jun
0 wk
12 May
11 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
24 Mar – 7 Apr
6 Jun
5-7 wk
12 May
11 Jul
0 wk
12 May
1 Jul
0 wk
Potato
Solanum tuberosum
Fleece
1 – 15 Apr
23 Apr
4-6 wk
13 May
21 May
0 wk
13 May
0 wk
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
24 Mar – 7 Apr
6 Jun
5-7 wk
12 May
11 Jul
0 wk
13 May
1 Jul
0 wk
Pumpkin
Cucurbita pepo
Season too short
25 Apr – 2 May
3-4 wk
23 May
2 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
Fleece
14 – 21 Apr
30 Apr
3-4 wk
12 May
21 May
0 wk
18 May
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
31 Mar – 14 Apr
18 Jun
4-6 wk
12 May
16 Jul
0 wk
Lettuce
Lactuca sativa
14 – 21 Apr
25 Jun
3-4 wk
12 May
16 Jul
0 wk
13 May
6 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
31 Mar – 14 Apr
18 Jun
4-6 wk
12 May
16 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
Fleece
8 – 22 Apr
8 May
2-4 wk
6 May
22 May
1 wk before
6 May
12 May
1 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
Greenhouse
3 May
24 May
1 wk before
3 May
14 May
1 wk before
Spinach
Spinacia oleracea
14 – 21 Apr
20 Jul
3-4 wk
12 May
10 Aug
0 wk
9 May
31 Jul
0 wk
Sweet potato
Ipomoea batatas
6 – 20 Jun
4-6 wk
18 Jul
10 wk after
Garden tomato
Solanum lycopersicum
Season too short
21 Mar – 4 Apr
6-8 wk
16 May
1 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Season too short
18 Apr – 2 May
2-4 wk
16 May
1 wk after
25 May
2 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
31 Mar – 14 Apr
18 Jun
4-6 wk
12 May
16 Jul
0 wk
Garden pea
Pisum sativum
14 – 21 Apr
10 Jun
3-4 wk
12 May
1 Jul
0 wk
13 May
21 Jun
0 wk

Herbs

Plant Sow indoors Transplant Direct sow
Earliest Latest Growing time Earliest Latest Rel. frost Earliest Latest Rel. frost
Basil
Ocimum basilicum
Season too short
11 – 25 Apr
4-6 wk
23 May
2 wk after
Lemon balm
Melissa officinalis
3 – 17 Mar
6 May
8-10 wk
12 May
1 Jul
0 wk
6 Jun
21 Jun
4 wk after
Dill
Anethum graveolens
13 May
4 Jul
0 wk
Wild chives
Allium schoenoprasum
17 – 31 Mar
30 May
6-8 wk
12 May
11 Jul
0 wk
13 May
1 Jul
0 wk
Spearmint
Mentha spicata
17 Feb – 17 Mar
16 May
8-12 wk
12 May
11 Jul
0 wk
6 Jun
1 Jul
4 wk after
Coriander
Coriandrum sativum
12 May
24 Jul
0 wk
25 May
14 Jul
2 wk after
Garden sage
Salvia officinalis
9 – 23 Mar
1 May
8-10 wk
18 May
26 Jun
1 wk after
Common thyme
Thymus vulgaris
3 – 17 Mar
6 May
8-10 wk
12 May
1 Jul
0 wk
Oregano
Origanum vulgare
17 – 31 Mar
20 May
6-8 wk
12 May
1 Jul
0 wk
6 Jun
21 Jun
4 wk after
Parsley
Petroselinum crispum
17 – 31 Mar
20 May
6-8 wk
12 May
1 Jul
0 wk
13 May
21 Jun
0 wk
Rosemary
Salvia rosmarinus
Fleece
3 Feb – 3 Mar
23 Mar
10-14 wk
12 May
1 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
Season too short
25 Apr – 2 May
3-4 wk
23 May
2 wk after
Cornflower
Centaurea cyanus
12 May
11 Jul
0 wk
13 May
1 Jul
0 wk
Statice
Limonium sinuatum
Season too short
7 – 21 Mar
19 Mar
8-10 wk
16 May
1 wk after
Sweet William
Dianthus barbatus
17 – 31 Mar
6-8 wk
12 May
0 wk
22 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Season too short
21 Mar – 4 Apr
2 Apr
6-8 wk
16 May
1 wk after
13 Jun
5 wk after
Pinnate dahlia
Dahlia × pinnata
Greenhouse
17 – 31 Mar
10 Apr
6-8 wk
12 May
22 May
0 wk
Pinnate dahlia (tubers)
Dahlia × pinnata
Greenhouse
23 Mar – 20 Apr
24 Apr
4-8 wk
18 May
22 May
1 wk after
18 May
1 wk after
Foxglove
Digitalis purpurea
3 – 17 Mar
8-10 wk
12 May
0 wk
25 May
2 wk after
Busy lizzie
Impatiens walleriana
Greenhouse
28 Feb – 28 Mar
28 Apr
8-12 wk
23 May
23 Jun
2 wk after
Creeping zinnia
Sanvitalia procumbens
Season too short
21 Mar – 4 Apr
12 Apr
6-8 wk
16 May
24 May
1 wk after
Hyacinth bean
Dolichos lablab
Season too short
20 Apr – 4 May
4-6 wk
1 Jun
3 wk after
Chinese lantern
Physalis alkekengi
Fleece
3 – 17 Mar
6 Apr
8-10 wk
12 May
1 Jun
0 wk
Love in a mist
Nigella damascena
12 May
16 Jun
0 wk
13 May
6 Jun
0 wk
Strawflower
Xerochrysum bracteatum
Season too short
21 Mar – 4 Apr
23 Mar
6-8 wk
16 May
1 wk after
13 Jun
5 wk after
Purple-top vervain
Verbena bonariensis
Fleece
17 Feb – 17 Mar
6 Apr
8-12 wk
12 May
1 Jun
0 wk
Cardoon
Cynara cardunculus
Season too short
21 Feb – 21 Mar
17 Mar
8-12 wk
16 May
1 wk after
Regal-foxtail
Ptilotus nobilis
Season too short
28 Feb – 28 Mar
8-12 wk
23 May
2 wk after
Globe amaranth
Gomphrena globosa
Season too short
28 Mar – 11 Apr
6-8 wk
23 May
2 wk after
Corn poppy
Papaver rhoeas
12 May
1 Jul
0 wk
13 May
21 Jun
0 wk
Snapdragon
Antirrhinum majus
17 Feb – 17 Mar
26 Apr
8-12 wk
12 May
21 Jun
0 wk
22 May
11 Jun
1 wk after
Flossflower
Ageratum houstonianum
Season too short
14 – 28 Mar
29 Mar
8-10 wk
23 May
24 May
2 wk after
Sweet pea
Lathyrus odoratus
17 Mar – 7 Apr
27 May
5-8 wk
12 May
1 Jul
0 wk
Stock
Matthiola incana
17 – 31 Mar
20 May
6-8 wk
12 May
1 Jul
0 wk
25 May
21 Jun
2 wk after
Wormwood
Artemisia absinthium
17 – 31 Mar
30 Apr
6-8 wk
12 May
11 Jun
0 wk
25 May
1 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
11 – 25 Apr
4-6 wk
23 May
2 wk after
Garden pansy
Viola × wittrockiana
3 – 17 Mar
16 May
8-10 wk
12 May
11 Jul
0 wk
22 May
1 Jul
1 wk after
Petunia
Petunia
Season too short
21 Feb – 21 Mar
19 Mar
8-12 wk
16 May
1 wk after
Sweet Scabious
Scabiosa atropurpurea
Fleece
17 – 31 Mar
20 Apr
6-8 wk
12 May
1 Jun
0 wk
6 Jun
4 wk after
Common zinnia
Zinnia elegans
Season too short
4 – 18 Apr
10 Apr
4-6 wk
16 May
1 wk after
Common morning glory
Ipomoea purpurea
Season too short
18 Apr – 2 May
3-5 wk
23 May
2 wk after
Garden cosmos
Cosmos bipinnatus
Season too short
4 – 18 Apr
24 Apr
4-6 wk
16 May
22 May
1 wk after
25 May
2 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
9 Mar – 6 Apr
8-12 wk
1 Jun
3 wk after
Bee balm
Monarda didyma
17 Feb – 17 Mar
6 Apr
8-12 wk
12 May
1 Jun
0 wk
6 Jun
4 wk after
Yarrow
Achillea millefolium
17 – 31 Mar
31 Mar
6-8 wk
12 May
12 May
0 wk
25 May
2 wk after
Safflower
Carthamus tinctorius
12 May
11 Jun
0 wk
13 May
1 Jun
0 wk
Iceland poppy
Papaver nudicaule
Season too short
17 – 31 Mar
20 May
6-8 wk
12 May
1 Jul
0 wk
26 Apr
21 Jun
2 wk before
Bishop's flower
Ammi majus
31 Mar – 14 Apr
24 May
4-6 wk
12 May
21 Jun
0 wk
25 May
11 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Season too short
28 Feb – 14 Mar
10-12 wk
23 May
2 wk after
Sunflower
Helianthus annuus
Fleece
25 Apr – 2 May
31 May
3-4 wk
23 May
21 Jun
2 wk after
25 May
11 Jun
2 wk after
China aster
Callistephus chinensis
Fleece
28 Mar – 11 Apr
20 May
6-8 wk
23 May
1 Jul
2 wk after
6 Jun
21 Jun
4 wk after
Annual phlox
Phlox drummondii
Greenhouse
17 – 31 Mar
12 Apr
6-8 wk
12 May
24 May
0 wk
25 May
2 wk after
Hollyhock
Alcea rosea
17 – 31 Mar
6-8 wk
12 May
0 wk
25 May
2 wk after
Alpine delphinium
Delphinium elatum
17 Feb – 17 Mar
6 Apr
8-12 wk
12 May
1 Jun
0 wk
6 Jun
4 wk after
African marigold
Tagetes erecta
Season too short
21 Mar – 4 Apr
12 Apr
6-8 wk
16 May
24 May
1 wk after
Black-eyed Susan
Rudbeckia hirta
23 Mar – 6 Apr
26 Apr
6-8 wk
18 May
7 Jun
1 wk after
24 Jun
6 wk after
Wood sage
Salvia nemorosa
3 – 17 Mar
27 Mar
8-10 wk
12 May
22 May
0 wk
6 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
Season too short
14 Mar – 11 Apr
6-10 wk
23 May
2 wk after
California goldenpoppy
Eschscholzia californica
12 May
1 Jul
0 wk
13 May
21 Jun
0 wk
Painted tongue
Salpiglossis sinuata
Fleece
14 – 28 Mar
19 Apr
8-10 wk
23 May
14 Jun
2 wk after
Water forget-me-not
Myosotis scorpioides
17 – 31 Mar
30 Apr
6-8 wk
12 May
11 Jun
0 wk
25 May
1 Jun
2 wk after