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-2.0°
Last 24h: Slight frost recorded tonight at 04:00. Inspect for frost damage
Frost is lingering Last frost normally 10 May, The 10-day forecast shows frost Wed.
Method
Rel. frost
Last spring frost (0°C) 10 May Frost 9 of 10 years · 20 years of data
Frost-free season 111 days 10 May – 29 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)
22 Mar – 5 Apr
10 Jun
5-7 wk
10 May
15 Jul
0 wk
11 May
5 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
29 Mar – 12 Apr
22 Jun
4-6 wk
10 May
20 Jul
0 wk
11 May
10 Jul
0 wk
Chili pepper
Capsicum annuum
Season too short
26 Feb – 26 Mar
8-12 wk
21 May
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
22 Mar – 5 Apr
5 Jun
5-7 wk
10 May
10 Jul
0 wk
10 May
30 Jun
0 wk
Garden cucumber
Cucumis sativus
Season too short
23 – 30 Apr
3-4 wk
21 May
2 wk after
Florence Fennel
Foeniculum vulgare
Fleece
25 Apr – 2 May
19 May
4-5 wk
30 May
16 Jun
3 wk after
4 Jun
6 Jun
4 wk after
Butter bean
Phaseolus lunatus
Season too short
23 – 30 May
3-4 wk
20 Jun
6 wk after
Onion
Allium cepa (Cepa-gruppen)
Fleece
15 Feb – 15 Mar
7 Mar
8-12 wk
10 May
0 wk
16 May
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
Fleece
7 May
22 May
0 wk
7 May
12 May
0 wk
Maize
Zea mays
Season too short
16 – 23 Apr
3-4 wk
14 May
1 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
18 – 25 Apr
15 Jun
3-4 wk
16 May
6 Jul
1 wk after
23 May
26 Jun
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
10 May
21 Jun
0 wk
10 May
11 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
22 Mar – 5 Apr
5 Jun
5-7 wk
10 May
10 Jul
0 wk
10 May
30 Jun
0 wk
Potato
Solanum tuberosum
8 – 22 Apr
19 Apr
4-6 wk
20 May
1 wk after
20 May
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
22 Mar – 5 Apr
6 Jun
5-7 wk
10 May
11 Jul
0 wk
11 May
1 Jul
0 wk
Pumpkin
Cucurbita pepo
Season too short
23 – 30 Apr
3-4 wk
21 May
2 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
Fleece
12 – 19 Apr
11 May
3-4 wk
10 May
1 Jun
0 wk
16 May
22 May
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
29 Mar – 12 Apr
17 Jun
4-6 wk
10 May
15 Jul
0 wk
Lettuce
Lactuca sativa
12 – 19 Apr
25 Jun
3-4 wk
10 May
16 Jul
0 wk
11 May
6 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
29 Mar – 12 Apr
17 Jun
4-6 wk
10 May
15 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
12 – 26 Apr
4 May
2-4 wk
10 May
18 May
0 wk
10 May
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
Fleece
7 May
22 May
0 wk
7 May
12 May
0 wk
Spinach
Spinacia oleracea
12 – 19 Apr
19 Jul
3-4 wk
10 May
9 Aug
0 wk
7 May
30 Jul
0 wk
Sweet potato
Ipomoea batatas
4 – 18 Jun
4-6 wk
16 Jul
10 wk after
Garden tomato
Solanum lycopersicum
Season too short
19 Mar – 2 Apr
6-8 wk
14 May
1 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Season too short
16 – 30 Apr
2-4 wk
14 May
1 wk after
23 May
2 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
29 Mar – 12 Apr
17 Jun
4-6 wk
10 May
15 Jul
0 wk
Garden pea
Pisum sativum
12 – 19 Apr
10 Jun
3-4 wk
10 May
1 Jul
0 wk
11 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
9 – 23 Apr
4-6 wk
21 May
2 wk after
Lemon balm
Melissa officinalis
1 – 15 Mar
6 May
8-10 wk
10 May
1 Jul
0 wk
4 Jun
21 Jun
4 wk after
Dill
Anethum graveolens
11 May
6 Jul
0 wk
Wild chives
Allium schoenoprasum
15 – 29 Mar
29 May
6-8 wk
10 May
10 Jul
0 wk
11 May
30 Jun
0 wk
Spearmint
Mentha spicata
15 Feb – 15 Mar
15 May
8-12 wk
10 May
10 Jul
0 wk
4 Jun
30 Jun
4 wk after
Coriander
Coriandrum sativum
10 May
26 Jul
0 wk
23 May
16 Jul
2 wk after
Garden sage
Salvia officinalis
7 – 21 Mar
30 Apr
8-10 wk
16 May
25 Jun
1 wk after
Common thyme
Thymus vulgaris
1 – 15 Mar
5 May
8-10 wk
10 May
30 Jun
0 wk
Oregano
Origanum vulgare
15 – 29 Mar
19 May
6-8 wk
10 May
30 Jun
0 wk
4 Jun
20 Jun
4 wk after
Parsley
Petroselinum crispum
15 – 29 Mar
19 May
6-8 wk
10 May
30 Jun
0 wk
11 May
20 Jun
0 wk
Rosemary
Salvia rosmarinus
Fleece
1 Feb – 1 Mar
22 Mar
10-14 wk
10 May
31 May
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
23 – 30 Apr
3-4 wk
21 May
2 wk after
Cornflower
Centaurea cyanus
10 May
10 Jul
0 wk
11 May
30 Jun
0 wk
Statice
Limonium sinuatum
Greenhouse
5 – 19 Mar
26 Mar
8-10 wk
14 May
21 May
1 wk after
Sweet William
Dianthus barbatus
15 – 29 Mar
6-8 wk
10 May
0 wk
20 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Greenhouse
19 Mar – 2 Apr
9 Apr
6-8 wk
14 May
21 May
1 wk after
11 Jun
5 wk after
Pinnate dahlia
Dahlia × pinnata
Greenhouse
15 – 29 Mar
11 Apr
6-8 wk
10 May
23 May
0 wk
Pinnate dahlia (tubers)
Dahlia × pinnata
Greenhouse
21 Mar – 18 Apr
25 Apr
4-8 wk
16 May
23 May
1 wk after
16 May
1 wk after
Foxglove
Digitalis purpurea
1 – 15 Mar
8-10 wk
10 May
0 wk
23 May
2 wk after
Busy lizzie
Impatiens walleriana
Greenhouse
26 Feb – 26 Mar
7 May
8-12 wk
21 May
2 Jul
2 wk after
Creeping zinnia
Sanvitalia procumbens
Greenhouse
19 Mar – 2 Apr
19 Apr
6-8 wk
14 May
31 May
1 wk after
Hyacinth bean
Dolichos lablab
Season too short
18 Apr – 2 May
4-6 wk
30 May
3 wk after
Chinese lantern
Physalis alkekengi
7 – 21 Mar
1 Apr
8-10 wk
16 May
27 May
1 wk after
Love in a mist
Nigella damascena
10 May
16 Jun
0 wk
11 May
6 Jun
0 wk
Strawflower
Xerochrysum bracteatum
Season too short
19 Mar – 2 Apr
30 Mar
6-8 wk
14 May
1 wk after
11 Jun
5 wk after
Purple-top vervain
Verbena bonariensis
21 Feb – 21 Mar
1 Apr
8-12 wk
16 May
27 May
1 wk after
Cardoon
Cynara cardunculus
Season too short
19 Feb – 19 Mar
16 Mar
8-12 wk
14 May
1 wk after
Regal-foxtail
Ptilotus nobilis
Season too short
26 Feb – 26 Mar
8-12 wk
21 May
2 wk after
Globe amaranth
Gomphrena globosa
Season too short
26 Mar – 9 Apr
6-8 wk
21 May
2 wk after
Corn poppy
Papaver rhoeas
10 May
1 Jul
0 wk
11 May
21 Jun
0 wk
Snapdragon
Antirrhinum majus
15 Feb – 15 Mar
26 Apr
8-12 wk
10 May
21 Jun
0 wk
20 May
11 Jun
1 wk after
Flossflower
Ageratum houstonianum
Greenhouse
12 – 26 Mar
5 Apr
8-10 wk
21 May
31 May
2 wk after
Sweet pea
Lathyrus odoratus
15 Mar – 5 Apr
26 May
5-8 wk
10 May
30 Jun
0 wk
Stock
Matthiola incana
15 – 29 Mar
20 May
6-8 wk
10 May
1 Jul
0 wk
23 May
21 Jun
2 wk after
Wormwood
Artemisia absinthium
15 – 29 Mar
29 Apr
6-8 wk
10 May
10 Jun
0 wk
23 May
31 May
2 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
9 – 23 Apr
4-6 wk
21 May
2 wk after
Garden pansy
Viola × wittrockiana
1 – 15 Mar
15 May
8-10 wk
10 May
10 Jul
0 wk
20 May
30 Jun
1 wk after
Petunia
Petunia
Greenhouse
19 Feb – 19 Mar
26 Mar
8-12 wk
14 May
21 May
1 wk after
Sweet Scabious
Scabiosa atropurpurea
21 Mar – 4 Apr
15 Apr
6-8 wk
16 May
27 May
1 wk after
22 Jun
6 wk after
Common zinnia
Zinnia elegans
Season too short
2 – 16 Apr
19 Apr
4-6 wk
14 May
17 May
1 wk after
Common morning glory
Ipomoea purpurea
Season too short
16 – 30 Apr
3-5 wk
21 May
2 wk after
Garden cosmos
Cosmos bipinnatus
Greenhouse
2 – 16 Apr
25 Apr
4-6 wk
14 May
23 May
1 wk after
23 May
2 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
7 Mar – 4 Apr
8-12 wk
30 May
3 wk after
Bee balm
Monarda didyma
15 Feb – 15 Mar
6 Apr
8-12 wk
10 May
1 Jun
0 wk
4 Jun
4 wk after
Yarrow
Achillea millefolium
15 – 29 Mar
30 Mar
6-8 wk
10 May
11 May
0 wk
23 May
2 wk after
Safflower
Carthamus tinctorius
10 May
10 Jun
0 wk
11 May
31 May
0 wk
Iceland poppy
Papaver nudicaule
Season too short
15 – 29 Mar
19 May
6-8 wk
10 May
30 Jun
0 wk
24 Apr
20 Jun
2 wk before
Bishop's flower
Ammi majus
29 Mar – 12 Apr
24 May
4-6 wk
10 May
21 Jun
0 wk
23 May
11 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Season too short
26 Feb – 12 Mar
10-12 wk
21 May
2 wk after
Sunflower
Helianthus annuus
Fleece
23 – 30 Apr
30 May
3-4 wk
21 May
20 Jun
2 wk after
23 May
10 Jun
2 wk after
China aster
Callistephus chinensis
4 – 18 Apr
6 May
6-8 wk
30 May
17 Jun
3 wk after
22 Jun
6 wk after
Annual phlox
Phlox drummondii
Greenhouse
15 – 29 Mar
19 Apr
6-8 wk
10 May
31 May
0 wk
23 May
2 wk after
Hollyhock
Alcea rosea
15 – 29 Mar
6-8 wk
10 May
0 wk
23 May
2 wk after
Alpine delphinium
Delphinium elatum
15 Feb – 15 Mar
6 Apr
8-12 wk
10 May
1 Jun
0 wk
4 Jun
4 wk after
African marigold
Tagetes erecta
Greenhouse
19 Mar – 2 Apr
19 Apr
6-8 wk
14 May
31 May
1 wk after
Black-eyed Susan
Rudbeckia hirta
21 Mar – 4 Apr
26 Apr
6-8 wk
16 May
7 Jun
1 wk after
22 Jun
6 wk after
Wood sage
Salvia nemorosa
1 – 15 Mar
27 Mar
8-10 wk
10 May
22 May
0 wk
4 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
Season too short
12 Mar – 9 Apr
6-10 wk
21 May
2 wk after
California goldenpoppy
Eschscholzia californica
10 May
30 Jun
0 wk
11 May
20 Jun
0 wk
Painted tongue
Salpiglossis sinuata
Fleece
12 – 26 Mar
21 Apr
8-10 wk
21 May
16 Jun
2 wk after
Water forget-me-not
Myosotis scorpioides
15 – 29 Mar
29 Apr
6-8 wk
10 May
10 Jun
0 wk
23 May
31 May
2 wk after