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-2.2°
Last 24h: Slight frost recorded tonight at 03:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 30 May Normal year · 20 years of data
Frost-free season 97 days 30 May – 4 Sep
Probability that frost is over

50% = 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)
11 – 25 Apr
14 Jun
5-7 wk
30 May
19 Jul
0 wk
3 Jun
9 Jul
1 wk after
Broccoli
Brassica oleracea (Italica-gruppen)
18 Apr – 2 May
26 Jun
4-6 wk
30 May
24 Jul
0 wk
3 Jun
14 Jul
1 wk after
Chili pepper
Capsicum annuum
Season too short
13 Mar – 10 Apr
8-12 wk
5 Jun
1 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
11 – 25 Apr
9 Jun
5-7 wk
30 May
14 Jul
0 wk
30 May
4 Jul
0 wk
Garden cucumber
Cucumis sativus
Greenhouse
8 – 15 May
6 Jun
3-4 wk
5 Jun
27 Jun
1 wk after
Florence Fennel
Foeniculum vulgare
Fleece
8 – 15 May
3 Jun
4-5 wk
12 Jun
1 Jul
2 wk after
4 Jul
5 wk after
Butter bean
Phaseolus lunatus
Season too short
10 – 17 Jun
3-4 wk
8 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
Greenhouse
7 Mar – 4 Apr
30 Mar
8-12 wk
30 May
0 wk
30 May
0 wk
Onion (sets)
Allium cepa (Cepa-gruppen)
3 Jun
1 wk after
3 Jun
1 wk after
Maize
Zea mays
Greenhouse
2 – 9 May
27 May
3-4 wk
30 May
17 Jun
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
4 – 11 May
30 Jun
3-4 wk
1 Jun
21 Jul
0 wk
20 Jun
11 Jul
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
30 May
4 Jul
0 wk
30 May
24 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
11 – 25 Apr
9 Jun
5-7 wk
30 May
14 Jul
0 wk
30 May
4 Jul
0 wk
Potato
Solanum tuberosum
Fleece
22 Apr – 6 May
20 May
4-6 wk
3 Jun
17 Jun
1 wk after
3 Jun
7 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
11 – 25 Apr
19 Jun
5-7 wk
30 May
24 Jul
0 wk
3 Jun
14 Jul
1 wk after
Pumpkin
Cucurbita pepo
Fleece
15 – 22 May
11 Jun
3-4 wk
12 Jun
2 Jul
2 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
4 – 11 May
5 May
3-4 wk
1 Jun
0 wk
20 Jun
3 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
18 Apr – 2 May
21 Jun
4-6 wk
30 May
19 Jul
0 wk
Lettuce
Lactuca sativa
2 – 9 May
8 Jul
3-4 wk
30 May
29 Jul
0 wk
3 Jun
19 Jul
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
18 Apr – 2 May
21 Jun
4-6 wk
30 May
19 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
2 – 16 May
20 May
2-4 wk
30 May
3 Jun
0 wk
30 May
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
3 Jun
1 wk after
3 Jun
1 wk after
Spinach
Spinacia oleracea
2 – 9 May
23 Jul
3-4 wk
30 May
13 Aug
0 wk
26 May
3 Aug
1 wk before
Sweet potato
Ipomoea batatas
1 – 15 Jul
4-6 wk
12 Aug
11 wk after
Garden tomato
Solanum lycopersicum
Greenhouse
4 – 18 Apr
6 May
6-8 wk
30 May
17 Jun
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Fleece
8 – 22 May
13 Jun
2-4 wk
5 Jun
27 Jun
1 wk after
4 Jul
5 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
18 Apr – 2 May
21 Jun
4-6 wk
30 May
19 Jul
0 wk
Garden pea
Pisum sativum
2 – 9 May
23 Jun
3-4 wk
30 May
14 Jul
0 wk
3 Jun
4 Jul
1 wk after

Herbs

Plant Sow indoors Transplant Direct sow
Earliest Latest Growing time Earliest Latest Rel. frost Earliest Latest Rel. frost
Basil
Ocimum basilicum
Fleece
1 – 15 May
20 May
4-6 wk
12 Jun
17 Jun
2 wk after
Lemon balm
Melissa officinalis
21 Mar – 4 Apr
19 May
8-10 wk
30 May
14 Jul
0 wk
4 Jul
4 Jul
5 wk after
Dill
Anethum graveolens
3 Jun
21 Jul
1 wk after
Wild chives
Allium schoenoprasum
4 – 18 Apr
2 Jun
6-8 wk
30 May
14 Jul
0 wk
3 Jun
4 Jul
1 wk after
Spearmint
Mentha spicata
7 Mar – 4 Apr
19 May
8-12 wk
30 May
14 Jul
0 wk
4 Jul
4 Jul
5 wk after
Coriander
Coriandrum sativum
30 May
10 Aug
0 wk
20 Jun
31 Jul
3 wk after
Garden sage
Salvia officinalis
23 Mar – 6 Apr
4 May
8-10 wk
1 Jun
29 Jun
0 wk
Common thyme
Thymus vulgaris
21 Mar – 4 Apr
9 May
8-10 wk
30 May
4 Jul
0 wk
Oregano
Origanum vulgare
4 – 18 Apr
23 May
6-8 wk
30 May
4 Jul
0 wk
4 Jul
5 wk after
Parsley
Petroselinum crispum
4 – 18 Apr
23 May
6-8 wk
30 May
4 Jul
0 wk
3 Jun
24 Jun
1 wk after
Rosemary
Salvia rosmarinus
23 Feb – 23 Mar
27 Mar
10-14 wk
1 Jun
5 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
15 – 22 May
27 May
3-4 wk
12 Jun
17 Jun
2 wk after
Cornflower
Centaurea cyanus
30 May
14 Jul
0 wk
3 Jun
4 Jul
1 wk after
Statice
Limonium sinuatum
3 – 17 Apr
21 Apr
8-10 wk
12 Jun
16 Jun
2 wk after
Sweet William
Dianthus barbatus
4 – 18 Apr
6-8 wk
30 May
0 wk
15 Jun
2 wk after
Snow-on-the-mountain
Euphorbia marginata
17 Apr – 1 May
5 May
6-8 wk
12 Jun
16 Jun
2 wk after
12 Aug
11 wk after
Pinnate dahlia
Dahlia × pinnata
15 – 29 Apr
7 May
6-8 wk
10 Jun
18 Jun
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
Fleece
25 Apr – 23 May
31 May
4-8 wk
20 Jun
28 Jun
3 wk after
20 Jun
3 wk after
Foxglove
Digitalis purpurea
21 Mar – 4 Apr
8-10 wk
30 May
0 wk
20 Jun
3 wk after
Busy lizzie
Impatiens walleriana
8 Apr – 6 May
7 Jun
8-12 wk
1 Jul
2 Aug
5 wk after
Creeping zinnia
Sanvitalia procumbens
17 Apr – 1 May
15 May
6-8 wk
12 Jun
26 Jun
2 wk after
Hyacinth bean
Dolichos lablab
Season too short
1 – 15 May
4-6 wk
12 Jun
2 wk after
Chinese lantern
Physalis alkekengi
23 Mar – 6 Apr
16 Apr
8-10 wk
1 Jun
11 Jun
0 wk
Love in a mist
Nigella damascena
30 May
29 Jun
0 wk
3 Jun
19 Jun
1 wk after
Strawflower
Xerochrysum bracteatum
17 Apr – 1 May
25 Apr
6-8 wk
12 Jun
2 wk after
12 Aug
11 wk after
Purple-top vervain
Verbena bonariensis
9 Mar – 6 Apr
16 Apr
8-12 wk
1 Jun
11 Jun
0 wk
Cardoon
Cynara cardunculus
Greenhouse
7 Mar – 4 Apr
20 Mar
8-12 wk
30 May
0 wk
Regal-foxtail
Ptilotus nobilis
Fleece
20 Mar – 17 Apr
12 Apr
8-12 wk
12 Jun
2 wk after
Globe amaranth
Gomphrena globosa
Fleece
17 Apr – 1 May
26 Apr
6-8 wk
12 Jun
2 wk after
Corn poppy
Papaver rhoeas
30 May
14 Jul
0 wk
3 Jun
4 Jul
1 wk after
Snapdragon
Antirrhinum majus
7 Mar – 4 Apr
9 May
8-12 wk
30 May
4 Jul
0 wk
15 Jun
24 Jun
2 wk after
Flossflower
Ageratum houstonianum
Fleece
3 – 17 Apr
9 May
8-10 wk
12 Jun
4 Jul
2 wk after
Sweet pea
Lathyrus odoratus
4 – 25 Apr
30 May
5-8 wk
30 May
4 Jul
0 wk
Stock
Matthiola incana
4 – 18 Apr
2 Jun
6-8 wk
30 May
14 Jul
0 wk
20 Jun
4 Jul
3 wk after
Wormwood
Artemisia absinthium
4 – 18 Apr
3 May
6-8 wk
30 May
14 Jun
0 wk
20 Jun
3 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
24 Apr – 8 May
16 May
4-6 wk
5 Jun
13 Jun
1 wk after
Garden pansy
Viola × wittrockiana
21 Mar – 4 Apr
19 May
8-10 wk
30 May
14 Jul
0 wk
15 Jun
4 Jul
2 wk after
Petunia
Petunia
20 Mar – 17 Apr
21 Apr
8-12 wk
12 Jun
16 Jun
2 wk after
Sweet Scabious
Scabiosa atropurpurea
6 – 20 Apr
30 Apr
6-8 wk
1 Jun
11 Jun
0 wk
18 Jul
7 wk after
Common zinnia
Zinnia elegans
1 – 15 May
20 May
4-6 wk
12 Jun
17 Jun
2 wk after
Common morning glory
Ipomoea purpurea
Fleece
8 – 22 May
27 May
3-5 wk
12 Jun
17 Jun
2 wk after
Garden cosmos
Cosmos bipinnatus
1 – 15 May
21 May
4-6 wk
12 Jun
18 Jun
2 wk after
18 Jul
7 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
20 Mar – 17 Apr
23 May
8-12 wk
12 Jun
18 Jul
2 wk after
Bee balm
Monarda didyma
7 Mar – 4 Apr
19 Apr
8-12 wk
30 May
14 Jun
0 wk
4 Jul
5 wk after
Yarrow
Achillea millefolium
4 – 18 Apr
6-8 wk
30 May
0 wk
20 Jun
3 wk after
Safflower
Carthamus tinctorius
30 May
14 Jun
0 wk
3 Jun
4 Jun
1 wk after
Iceland poppy
Papaver nudicaule
Season too short
4 – 18 Apr
23 May
6-8 wk
30 May
4 Jul
0 wk
12 May
24 Jun
3 wk before
Bishop's flower
Ammi majus
18 Apr – 2 May
6 Jun
4-6 wk
30 May
4 Jul
0 wk
20 Jun
24 Jun
3 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
13 – 27 Mar
30 Mar
10-12 wk
5 Jun
8 Jun
1 wk after
Sunflower
Helianthus annuus
15 – 22 May
4 Jun
3-4 wk
12 Jun
25 Jun
2 wk after
4 Jul
5 wk after
China aster
Callistephus chinensis
17 Apr – 1 May
24 May
6-8 wk
12 Jun
5 Jul
2 wk after
18 Jul
7 wk after
Annual phlox
Phlox drummondii
10 – 24 Apr
15 May
6-8 wk
5 Jun
26 Jun
1 wk after
18 Jul
7 wk after
Hollyhock
Alcea rosea
4 – 18 Apr
6-8 wk
30 May
0 wk
20 Jun
3 wk after
Alpine delphinium
Delphinium elatum
7 Mar – 4 Apr
19 Apr
8-12 wk
30 May
14 Jun
0 wk
4 Jul
5 wk after
African marigold
Tagetes erecta
17 Apr – 1 May
15 May
6-8 wk
12 Jun
26 Jun
2 wk after
Black-eyed Susan
Rudbeckia hirta
6 – 20 Apr
14 May
6-8 wk
1 Jun
25 Jun
0 wk
18 Jul
7 wk after
Wood sage
Salvia nemorosa
21 Mar – 4 Apr
9 Apr
8-10 wk
30 May
4 Jun
0 wk
4 Jul
5 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
3 Apr – 1 May
6 May
6-10 wk
12 Jun
17 Jun
2 wk after
California goldenpoppy
Eschscholzia californica
30 May
14 Jul
0 wk
3 Jun
4 Jul
1 wk after
Painted tongue
Salpiglossis sinuata
3 – 17 Apr
17 Apr
8-10 wk
12 Jun
12 Jun
2 wk after
Water forget-me-not
Myosotis scorpioides
4 – 18 Apr
3 May
6-8 wk
30 May
14 Jun
0 wk
20 Jun
3 wk after