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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) 29 May Normal year · 20 years of data
Frost-free season 97 days 29 May – 3 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)
10 – 24 Apr
11 Jun
5-7 wk
29 May
16 Jul
0 wk
30 May
6 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
17 Apr – 1 May
23 Jun
4-6 wk
29 May
21 Jul
0 wk
30 May
11 Jul
0 wk
Chili pepper
Capsicum annuum
Season too short
17 Mar – 14 Apr
21 Mar
8-12 wk
9 Jun
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
10 – 24 Apr
6 Jun
5-7 wk
29 May
11 Jul
0 wk
29 May
1 Jul
0 wk
Garden cucumber
Cucumis sativus
Greenhouse
12 – 19 May
7 Jun
3-4 wk
9 Jun
28 Jun
2 wk after
Florence Fennel
Foeniculum vulgare
Fleece
14 – 21 May
1 Jun
4-5 wk
18 Jun
29 Jun
3 wk after
23 Jun
4 wk after
Butter bean
Phaseolus lunatus
Season too short
11 – 18 Jun
3-4 wk
9 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
Greenhouse
6 Mar – 3 Apr
27 Mar
8-12 wk
29 May
0 wk
29 May
0 wk
Onion (sets)
Allium cepa (Cepa-gruppen)
30 May
0 wk
30 May
0 wk
Maize
Zea mays
Greenhouse
5 – 12 May
28 May
3-4 wk
2 Jun
18 Jun
1 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
7 – 14 May
28 Jun
3-4 wk
4 Jun
19 Jul
1 wk after
11 Jun
9 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
29 May
1 Jul
0 wk
29 May
21 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
10 – 24 Apr
6 Jun
5-7 wk
29 May
11 Jul
0 wk
29 May
1 Jul
0 wk
Potato
Solanum tuberosum
27 Apr – 11 May
9 May
4-6 wk
8 Jun
1 wk after
8 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
10 – 24 Apr
16 Jun
5-7 wk
29 May
21 Jul
0 wk
30 May
11 Jul
0 wk
Pumpkin
Cucurbita pepo
Fleece
21 – 28 May
12 Jun
3-4 wk
18 Jun
3 Jul
3 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
7 – 14 May
14 May
3-4 wk
4 Jun
4 Jun
1 wk after
11 Jun
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
17 Apr – 1 May
18 Jun
4-6 wk
29 May
16 Jul
0 wk
Lettuce
Lactuca sativa
1 – 8 May
5 Jul
3-4 wk
29 May
26 Jul
0 wk
30 May
16 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
17 Apr – 1 May
18 Jun
4-6 wk
29 May
16 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
1 – 15 May
15 May
2-4 wk
29 May
29 May
0 wk
29 May
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
30 May
0 wk
30 May
0 wk
Spinach
Spinacia oleracea
1 – 8 May
20 Jul
3-4 wk
29 May
10 Aug
0 wk
26 May
31 Jul
0 wk
Sweet potato
Ipomoea batatas
23 Jun – 7 Jul
4-6 wk
4 Aug
10 wk after
Garden tomato
Solanum lycopersicum
Greenhouse
7 – 21 Apr
7 May
6-8 wk
2 Jun
18 Jun
1 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Fleece
12 – 26 May
14 Jun
2-4 wk
9 Jun
28 Jun
2 wk after
23 Jun
4 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
17 Apr – 1 May
18 Jun
4-6 wk
29 May
16 Jul
0 wk
Garden pea
Pisum sativum
1 – 8 May
20 Jun
3-4 wk
29 May
11 Jul
0 wk
30 May
1 Jul
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
7 – 21 May
21 May
4-6 wk
18 Jun
18 Jun
3 wk after
Lemon balm
Melissa officinalis
20 Mar – 3 Apr
16 May
8-10 wk
29 May
11 Jul
0 wk
23 Jun
1 Jul
4 wk after
Dill
Anethum graveolens
30 May
19 Jul
0 wk
Wild chives
Allium schoenoprasum
3 – 17 Apr
30 May
6-8 wk
29 May
11 Jul
0 wk
30 May
1 Jul
0 wk
Spearmint
Mentha spicata
6 Mar – 3 Apr
16 May
8-12 wk
29 May
11 Jul
0 wk
23 Jun
1 Jul
4 wk after
Coriander
Coriandrum sativum
29 May
8 Aug
0 wk
11 Jun
29 Jul
2 wk after
Garden sage
Salvia officinalis
26 Mar – 9 Apr
1 May
8-10 wk
4 Jun
26 Jun
1 wk after
Common thyme
Thymus vulgaris
20 Mar – 3 Apr
6 May
8-10 wk
29 May
1 Jul
0 wk
Oregano
Origanum vulgare
3 – 17 Apr
20 May
6-8 wk
29 May
1 Jul
0 wk
23 Jun
4 wk after
Parsley
Petroselinum crispum
3 – 17 Apr
20 May
6-8 wk
29 May
1 Jul
0 wk
30 May
21 Jun
0 wk
Rosemary
Salvia rosmarinus
26 Feb – 26 Mar
20 Mar
10-14 wk
4 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
21 – 28 May
28 May
3-4 wk
18 Jun
18 Jun
3 wk after
Cornflower
Centaurea cyanus
29 May
11 Jul
0 wk
30 May
1 Jul
0 wk
Statice
Limonium sinuatum
9 – 23 Apr
16 Apr
8-10 wk
18 Jun
3 wk after
Sweet William
Dianthus barbatus
3 – 17 Apr
6-8 wk
29 May
0 wk
8 Jun
1 wk after
Snow-on-the-mountain
Euphorbia marginata
23 Apr – 7 May
30 Apr
6-8 wk
18 Jun
3 wk after
4 Aug
10 wk after
Pinnate dahlia
Dahlia × pinnata
18 Apr – 2 May
6 May
6-8 wk
13 Jun
17 Jun
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
Fleece
16 Apr – 14 May
28 May
4-8 wk
11 Jun
25 Jun
2 wk after
11 Jun
15 Jun
2 wk after
Foxglove
Digitalis purpurea
20 Mar – 3 Apr
8-10 wk
29 May
0 wk
11 Jun
2 wk after
Busy lizzie
Impatiens walleriana
9 Apr – 7 May
8 Jun
8-12 wk
2 Jul
3 Aug
5 wk after
Creeping zinnia
Sanvitalia procumbens
23 Apr – 7 May
10 May
6-8 wk
18 Jun
21 Jun
3 wk after
Hyacinth bean
Dolichos lablab
Season too short
7 – 21 May
4-6 wk
18 Jun
3 wk after
Chinese lantern
Physalis alkekengi
26 Mar – 9 Apr
14 Apr
8-10 wk
4 Jun
9 Jun
1 wk after
Love in a mist
Nigella damascena
29 May
26 Jun
0 wk
30 May
16 Jun
0 wk
Strawflower
Xerochrysum bracteatum
Fleece
14 – 28 Apr
30 Apr
6-8 wk
9 Jun
11 Jun
2 wk after
18 Jul
7 wk after
Purple-top vervain
Verbena bonariensis
12 Mar – 9 Apr
14 Apr
8-12 wk
4 Jun
9 Jun
1 wk after
Cardoon
Cynara cardunculus
Greenhouse
10 Mar – 7 Apr
17 Mar
8-12 wk
2 Jun
1 wk after
Regal-foxtail
Ptilotus nobilis
Greenhouse
17 Mar – 14 Apr
22 Apr
8-12 wk
9 Jun
17 Jun
2 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
14 – 28 Apr
6 May
6-8 wk
9 Jun
17 Jun
2 wk after
Corn poppy
Papaver rhoeas
29 May
11 Jul
0 wk
30 May
1 Jul
0 wk
Snapdragon
Antirrhinum majus
6 Mar – 3 Apr
6 May
8-12 wk
29 May
1 Jul
0 wk
8 Jun
21 Jun
1 wk after
Flossflower
Ageratum houstonianum
Fleece
9 – 23 Apr
6 May
8-10 wk
18 Jun
1 Jul
3 wk after
Sweet pea
Lathyrus odoratus
3 – 24 Apr
27 May
5-8 wk
29 May
1 Jul
0 wk
Stock
Matthiola incana
3 – 17 Apr
30 May
6-8 wk
29 May
11 Jul
0 wk
11 Jun
1 Jul
2 wk after
Wormwood
Artemisia absinthium
3 – 17 Apr
30 Apr
6-8 wk
29 May
11 Jun
0 wk
11 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
28 Apr – 12 May
15 May
4-6 wk
9 Jun
12 Jun
2 wk after
Garden pansy
Viola × wittrockiana
20 Mar – 3 Apr
16 May
8-10 wk
29 May
11 Jul
0 wk
8 Jun
1 Jul
1 wk after
Petunia
Petunia
26 Mar – 23 Apr
16 Apr
8-12 wk
18 Jun
3 wk after
Sweet Scabious
Scabiosa atropurpurea
9 – 23 Apr
28 Apr
6-8 wk
4 Jun
9 Jun
1 wk after
11 Jul
6 wk after
Common zinnia
Zinnia elegans
7 – 21 May
21 May
4-6 wk
18 Jun
18 Jun
3 wk after
Common morning glory
Ipomoea purpurea
Fleece
14 – 28 May
28 May
3-5 wk
18 Jun
18 Jun
3 wk after
Garden cosmos
Cosmos bipinnatus
7 – 21 May
20 May
4-6 wk
18 Jun
3 wk after
11 Jul
6 wk after
Scarlet milkweed
Asclepias curassavica
Fleece
9 Apr – 7 May
13 May
8-12 wk
2 Jul
8 Jul
5 wk after
Bee balm
Monarda didyma
6 Mar – 3 Apr
16 Apr
8-12 wk
29 May
11 Jun
0 wk
23 Jun
4 wk after
Yarrow
Achillea millefolium
3 – 17 Apr
6-8 wk
29 May
0 wk
11 Jun
2 wk after
Safflower
Carthamus tinctorius
29 May
11 Jun
0 wk
30 May
1 Jun
0 wk
Iceland poppy
Papaver nudicaule
Season too short
3 – 17 Apr
20 May
6-8 wk
29 May
1 Jul
0 wk
13 May
21 Jun
2 wk before
Bishop's flower
Ammi majus
17 Apr – 1 May
3 Jun
4-6 wk
29 May
1 Jul
0 wk
11 Jun
21 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
17 – 31 Mar
27 Mar
10-12 wk
9 Jun
2 wk after
Sunflower
Helianthus annuus
21 – 28 May
28 May
3-4 wk
18 Jun
18 Jun
3 wk after
23 Jun
4 wk after
China aster
Callistephus chinensis
23 Apr – 7 May
17 May
6-8 wk
18 Jun
28 Jun
3 wk after
11 Jul
6 wk after
Annual phlox
Phlox drummondii
14 – 28 Apr
10 May
6-8 wk
9 Jun
21 Jun
2 wk after
11 Jul
6 wk after
Hollyhock
Alcea rosea
3 – 17 Apr
6-8 wk
29 May
0 wk
11 Jun
2 wk after
Alpine delphinium
Delphinium elatum
6 Mar – 3 Apr
16 Apr
8-12 wk
29 May
11 Jun
0 wk
23 Jun
4 wk after
African marigold
Tagetes erecta
23 Apr – 7 May
10 May
6-8 wk
18 Jun
21 Jun
3 wk after
Black-eyed Susan
Rudbeckia hirta
9 – 23 Apr
7 May
6-8 wk
4 Jun
18 Jun
1 wk after
11 Jul
6 wk after
Wood sage
Salvia nemorosa
20 Mar – 3 Apr
6 Apr
8-10 wk
29 May
1 Jun
0 wk
23 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
9 Apr – 7 May
7 May
6-10 wk
18 Jun
18 Jun
3 wk after
California goldenpoppy
Eschscholzia californica
29 May
11 Jul
0 wk
30 May
1 Jul
0 wk
Painted tongue
Salpiglossis sinuata
Fleece
31 Mar – 14 Apr
4 May
8-10 wk
9 Jun
29 Jun
2 wk after
Water forget-me-not
Myosotis scorpioides
3 – 17 Apr
30 Apr
6-8 wk
29 May
11 Jun
0 wk
11 Jun
2 wk after