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-2.1°
Last 24h: Slight frost recorded tonight at 02:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 27 May Frost 1 of 4 years · 20 years of data
Frost-free season 116 days 27 May – 20 Sep
Probability that frost is over

75% = 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)
8 – 22 Apr
10 Jun
5-7 wk
27 May
15 Jul
0 wk
28 May
5 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
15 – 29 Apr
22 Jun
4-6 wk
27 May
20 Jul
0 wk
28 May
10 Jul
0 wk
Chili pepper
Capsicum annuum
Season too short
15 Mar – 12 Apr
20 Mar
8-12 wk
7 Jun
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
8 – 22 Apr
5 Jun
5-7 wk
27 May
10 Jul
0 wk
27 May
30 Jun
0 wk
Garden cucumber
Cucumis sativus
Greenhouse
10 – 17 May
8 Jun
3-4 wk
7 Jun
29 Jun
2 wk after
Florence Fennel
Foeniculum vulgare
Fleece
12 – 19 May
2 Jun
4-5 wk
16 Jun
30 Jun
3 wk after
21 Jun
4 wk after
Butter bean
Phaseolus lunatus
Season too short
9 – 16 Jun
3-4 wk
7 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
Greenhouse
4 Mar – 1 Apr
26 Mar
8-12 wk
27 May
0 wk
27 May
0 wk
Onion (sets)
Allium cepa (Cepa-gruppen)
Fleece
24 May
31 May
0 wk
24 May
0 wk
Maize
Zea mays
Greenhouse
3 – 10 May
29 May
3-4 wk
31 May
19 Jun
1 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
5 – 12 May
29 Jun
3-4 wk
2 Jun
20 Jul
1 wk after
9 Jun
10 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
27 May
30 Jun
0 wk
27 May
20 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
8 – 22 Apr
5 Jun
5-7 wk
27 May
10 Jul
0 wk
27 May
30 Jun
0 wk
Potato
Solanum tuberosum
Fleece
16 – 30 Apr
16 May
4-6 wk
28 May
13 Jun
0 wk
28 May
3 Jun
0 wk
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
8 – 22 Apr
15 Jun
5-7 wk
27 May
20 Jul
0 wk
28 May
10 Jul
0 wk
Pumpkin
Cucurbita pepo
Fleece
19 – 26 May
13 Jun
3-4 wk
16 Jun
4 Jul
3 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
Fleece
29 Apr – 6 May
23 May
3-4 wk
27 May
13 Jun
0 wk
2 Jun
3 Jun
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
15 – 29 Apr
17 Jun
4-6 wk
27 May
15 Jul
0 wk
Lettuce
Lactuca sativa
29 Apr – 6 May
4 Jul
3-4 wk
27 May
25 Jul
0 wk
28 May
15 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
15 – 29 Apr
17 Jun
4-6 wk
27 May
15 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
29 Apr – 13 May
13 May
2-4 wk
27 May
27 May
0 wk
27 May
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
Fleece
24 May
31 May
0 wk
24 May
0 wk
Spinach
Spinacia oleracea
29 Apr – 6 May
19 Jul
3-4 wk
27 May
9 Aug
0 wk
24 May
30 Jul
0 wk
Sweet potato
Ipomoea batatas
21 Jun – 5 Jul
4-6 wk
2 Aug
10 wk after
Garden tomato
Solanum lycopersicum
Greenhouse
5 – 19 Apr
8 May
6-8 wk
31 May
19 Jun
1 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Fleece
10 – 24 May
15 Jun
2-4 wk
7 Jun
29 Jun
2 wk after
21 Jun
4 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
15 – 29 Apr
17 Jun
4-6 wk
27 May
15 Jul
0 wk
Garden pea
Pisum sativum
29 Apr – 6 May
19 Jun
3-4 wk
27 May
10 Jul
0 wk
28 May
30 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
Fleece
5 – 19 May
22 May
4-6 wk
16 Jun
19 Jun
3 wk after
Lemon balm
Melissa officinalis
18 Mar – 1 Apr
15 May
8-10 wk
27 May
10 Jul
0 wk
21 Jun
30 Jun
4 wk after
Dill
Anethum graveolens
28 May
20 Jul
0 wk
Wild chives
Allium schoenoprasum
1 – 15 Apr
29 May
6-8 wk
27 May
10 Jul
0 wk
28 May
30 Jun
0 wk
Spearmint
Mentha spicata
4 Mar – 1 Apr
15 May
8-12 wk
27 May
10 Jul
0 wk
21 Jun
30 Jun
4 wk after
Coriander
Coriandrum sativum
27 May
9 Aug
0 wk
9 Jun
30 Jul
2 wk after
Garden sage
Salvia officinalis
24 Mar – 7 Apr
30 Apr
8-10 wk
2 Jun
25 Jun
1 wk after
Common thyme
Thymus vulgaris
18 Mar – 1 Apr
5 May
8-10 wk
27 May
30 Jun
0 wk
Oregano
Origanum vulgare
1 – 15 Apr
19 May
6-8 wk
27 May
30 Jun
0 wk
21 Jun
4 wk after
Parsley
Petroselinum crispum
1 – 15 Apr
19 May
6-8 wk
27 May
30 Jun
0 wk
28 May
20 Jun
0 wk
Rosemary
Salvia rosmarinus
24 Feb – 24 Mar
27 Mar
10-14 wk
2 Jun
5 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
Fleece
19 – 26 May
29 May
3-4 wk
16 Jun
19 Jun
3 wk after
Cornflower
Centaurea cyanus
27 May
10 Jul
0 wk
28 May
30 Jun
0 wk
Statice
Limonium sinuatum
7 – 21 Apr
20 Apr
8-10 wk
16 Jun
3 wk after
Sweet William
Dianthus barbatus
1 – 15 Apr
6-8 wk
27 May
0 wk
6 Jun
1 wk after
Snow-on-the-mountain
Euphorbia marginata
21 Apr – 5 May
4 May
6-8 wk
16 Jun
3 wk after
2 Aug
10 wk after
Pinnate dahlia
Dahlia × pinnata
16 – 30 Apr
6 May
6-8 wk
11 Jun
17 Jun
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
Fleece
14 Apr – 12 May
30 May
4-8 wk
9 Jun
27 Jun
2 wk after
9 Jun
17 Jun
2 wk after
Foxglove
Digitalis purpurea
18 Mar – 1 Apr
8-10 wk
27 May
0 wk
9 Jun
2 wk after
Busy lizzie
Impatiens walleriana
7 Apr – 5 May
9 Jun
8-12 wk
30 Jun
4 Aug
5 wk after
Creeping zinnia
Sanvitalia procumbens
21 Apr – 5 May
14 May
6-8 wk
16 Jun
25 Jun
3 wk after
Hyacinth bean
Dolichos lablab
Season too short
5 – 19 May
4-6 wk
16 Jun
3 wk after
Chinese lantern
Physalis alkekengi
24 Mar – 7 Apr
15 Apr
8-10 wk
2 Jun
10 Jun
1 wk after
Love in a mist
Nigella damascena
27 May
25 Jun
0 wk
28 May
15 Jun
0 wk
Strawflower
Xerochrysum bracteatum
Fleece
12 – 26 Apr
29 Apr
6-8 wk
7 Jun
10 Jun
2 wk after
16 Jul
7 wk after
Purple-top vervain
Verbena bonariensis
10 Mar – 7 Apr
15 Apr
8-12 wk
2 Jun
10 Jun
1 wk after
Cardoon
Cynara cardunculus
Greenhouse
8 Mar – 5 Apr
16 Mar
8-12 wk
31 May
1 wk after
Regal-foxtail
Ptilotus nobilis
Greenhouse
15 Mar – 12 Apr
22 Apr
8-12 wk
7 Jun
17 Jun
2 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
12 – 26 Apr
6 May
6-8 wk
7 Jun
17 Jun
2 wk after
Corn poppy
Papaver rhoeas
27 May
10 Jul
0 wk
28 May
30 Jun
0 wk
Snapdragon
Antirrhinum majus
4 Mar – 1 Apr
5 May
8-12 wk
27 May
30 Jun
0 wk
6 Jun
20 Jun
1 wk after
Flossflower
Ageratum houstonianum
Fleece
7 – 21 Apr
5 May
8-10 wk
16 Jun
30 Jun
3 wk after
Sweet pea
Lathyrus odoratus
1 – 22 Apr
26 May
5-8 wk
27 May
30 Jun
0 wk
Stock
Matthiola incana
1 – 15 Apr
29 May
6-8 wk
27 May
10 Jul
0 wk
9 Jun
30 Jun
2 wk after
Wormwood
Artemisia absinthium
1 – 15 Apr
29 Apr
6-8 wk
27 May
10 Jun
0 wk
9 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
26 Apr – 10 May
15 May
4-6 wk
7 Jun
12 Jun
2 wk after
Garden pansy
Viola × wittrockiana
18 Mar – 1 Apr
15 May
8-10 wk
27 May
10 Jul
0 wk
6 Jun
30 Jun
1 wk after
Petunia
Petunia
24 Mar – 21 Apr
20 Apr
8-12 wk
16 Jun
3 wk after
Sweet Scabious
Scabiosa atropurpurea
7 – 21 Apr
29 Apr
6-8 wk
2 Jun
10 Jun
1 wk after
9 Jul
6 wk after
Common zinnia
Zinnia elegans
5 – 19 May
22 May
4-6 wk
16 Jun
19 Jun
3 wk after
Common morning glory
Ipomoea purpurea
Fleece
12 – 26 May
29 May
3-5 wk
16 Jun
19 Jun
3 wk after
Garden cosmos
Cosmos bipinnatus
5 – 19 May
20 May
4-6 wk
16 Jun
17 Jun
3 wk after
9 Jul
6 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
24 Mar – 21 Apr
22 May
8-12 wk
16 Jun
17 Jul
3 wk after
Bee balm
Monarda didyma
4 Mar – 1 Apr
15 Apr
8-12 wk
27 May
10 Jun
0 wk
21 Jun
4 wk after
Yarrow
Achillea millefolium
1 – 15 Apr
6-8 wk
27 May
0 wk
9 Jun
2 wk after
Safflower
Carthamus tinctorius
27 May
10 Jun
0 wk
28 May
31 May
0 wk
Iceland poppy
Papaver nudicaule
Season too short
1 – 15 Apr
19 May
6-8 wk
27 May
30 Jun
0 wk
11 May
20 Jun
2 wk before
Bishop's flower
Ammi majus
15 – 29 Apr
2 Jun
4-6 wk
27 May
30 Jun
0 wk
9 Jun
20 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
15 – 29 Mar
29 Mar
10-12 wk
7 Jun
7 Jun
2 wk after
Sunflower
Helianthus annuus
19 – 26 May
4 Jun
3-4 wk
16 Jun
25 Jun
3 wk after
21 Jun
4 wk after
China aster
Callistephus chinensis
21 Apr – 5 May
24 May
6-8 wk
16 Jun
5 Jul
3 wk after
9 Jul
6 wk after
Annual phlox
Phlox drummondii
12 – 26 Apr
14 May
6-8 wk
7 Jun
25 Jun
2 wk after
9 Jul
6 wk after
Hollyhock
Alcea rosea
1 – 15 Apr
6-8 wk
27 May
0 wk
9 Jun
2 wk after
Alpine delphinium
Delphinium elatum
4 Mar – 1 Apr
15 Apr
8-12 wk
27 May
10 Jun
0 wk
21 Jun
4 wk after
African marigold
Tagetes erecta
21 Apr – 5 May
14 May
6-8 wk
16 Jun
25 Jun
3 wk after
Black-eyed Susan
Rudbeckia hirta
7 – 21 Apr
14 May
6-8 wk
2 Jun
25 Jun
1 wk after
9 Jul
6 wk after
Wood sage
Salvia nemorosa
18 Mar – 1 Apr
5 Apr
8-10 wk
27 May
31 May
0 wk
21 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
7 Apr – 5 May
8 May
6-10 wk
16 Jun
19 Jun
3 wk after
California goldenpoppy
Eschscholzia californica
27 May
10 Jul
0 wk
28 May
30 Jun
0 wk
Painted tongue
Salpiglossis sinuata
7 – 21 Apr
25 Apr
8-10 wk
16 Jun
20 Jun
3 wk after
Water forget-me-not
Myosotis scorpioides
1 – 15 Apr
29 Apr
6-8 wk
27 May
10 Jun
0 wk
9 Jun
2 wk after