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-2.5°
Last 24h: Slight frost recorded tonight at 03:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 28 May Normal year · 20 years of data
Frost-free season 97 days 28 May – 2 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)
9 – 23 Apr
11 Jun
5-7 wk
28 May
16 Jul
0 wk
29 May
6 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
16 – 30 Apr
23 Jun
4-6 wk
28 May
21 Jul
0 wk
29 May
11 Jul
0 wk
Chili pepper
Capsicum annuum
Season too short
16 Mar – 13 Apr
20 Mar
8-12 wk
8 Jun
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
9 – 23 Apr
6 Jun
5-7 wk
28 May
11 Jul
0 wk
28 May
1 Jul
0 wk
Garden cucumber
Cucumis sativus
Fleece
20 – 27 May
3-4 wk
17 Jun
3 wk after
Florence Fennel
Foeniculum vulgare
Fleece
13 – 20 May
31 May
4-5 wk
17 Jun
28 Jun
3 wk after
22 Jun
4 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
5 Mar – 2 Apr
27 Mar
8-12 wk
28 May
0 wk
28 May
0 wk
Onion (sets)
Allium cepa (Cepa-gruppen)
29 May
0 wk
29 May
0 wk
Maize
Zea mays
Fleece
11 – 18 May
3-4 wk
8 Jun
2 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
6 – 13 May
27 Jun
3-4 wk
3 Jun
18 Jul
1 wk after
10 Jun
8 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
28 May
1 Jul
0 wk
28 May
21 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
9 – 23 Apr
6 Jun
5-7 wk
28 May
11 Jul
0 wk
28 May
1 Jul
0 wk
Potato
Solanum tuberosum
26 Apr – 10 May
11 May
4-6 wk
7 Jun
8 Jun
1 wk after
7 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
9 – 23 Apr
16 Jun
5-7 wk
28 May
21 Jul
0 wk
29 May
11 Jul
0 wk
Pumpkin
Cucurbita pepo
Fleece
20 – 27 May
11 Jun
3-4 wk
17 Jun
2 Jul
3 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
6 – 13 May
13 May
3-4 wk
3 Jun
3 Jun
1 wk after
10 Jun
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
16 – 30 Apr
18 Jun
4-6 wk
28 May
16 Jul
0 wk
Lettuce
Lactuca sativa
30 Apr – 7 May
5 Jul
3-4 wk
28 May
26 Jul
0 wk
29 May
16 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
16 – 30 Apr
18 Jun
4-6 wk
28 May
16 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
30 Apr – 14 May
16 May
2-4 wk
28 May
30 May
0 wk
28 May
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
29 May
0 wk
29 May
0 wk
Spinach
Spinacia oleracea
30 Apr – 7 May
20 Jul
3-4 wk
28 May
10 Aug
0 wk
25 May
31 Jul
0 wk
Sweet potato
Ipomoea batatas
22 Jun – 6 Jul
4-6 wk
3 Aug
10 wk after
Garden tomato
Solanum lycopersicum
Fleece
13 – 27 Apr
13 Apr
6-8 wk
8 Jun
2 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
20 May – 3 Jun
21 May
2-4 wk
17 Jun
3 wk after
10 Jul
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
16 – 30 Apr
18 Jun
4-6 wk
28 May
16 Jul
0 wk
Garden pea
Pisum sativum
30 Apr – 7 May
20 Jun
3-4 wk
28 May
11 Jul
0 wk
29 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
6 – 20 May
20 May
4-6 wk
17 Jun
17 Jun
3 wk after
Lemon balm
Melissa officinalis
19 Mar – 2 Apr
16 May
8-10 wk
28 May
11 Jul
0 wk
22 Jun
1 Jul
4 wk after
Dill
Anethum graveolens
29 May
18 Jul
0 wk
Wild chives
Allium schoenoprasum
2 – 16 Apr
30 May
6-8 wk
28 May
11 Jul
0 wk
29 May
1 Jul
0 wk
Spearmint
Mentha spicata
5 Mar – 2 Apr
16 May
8-12 wk
28 May
11 Jul
0 wk
22 Jun
1 Jul
4 wk after
Coriander
Coriandrum sativum
28 May
7 Aug
0 wk
10 Jun
28 Jul
2 wk after
Garden sage
Salvia officinalis
25 Mar – 8 Apr
1 May
8-10 wk
3 Jun
26 Jun
1 wk after
Common thyme
Thymus vulgaris
19 Mar – 2 Apr
6 May
8-10 wk
28 May
1 Jul
0 wk
Oregano
Origanum vulgare
2 – 16 Apr
20 May
6-8 wk
28 May
1 Jul
0 wk
22 Jun
4 wk after
Parsley
Petroselinum crispum
2 – 16 Apr
20 May
6-8 wk
28 May
1 Jul
0 wk
29 May
21 Jun
0 wk
Rosemary
Salvia rosmarinus
25 Feb – 25 Mar
20 Mar
10-14 wk
3 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
20 – 27 May
27 May
3-4 wk
17 Jun
17 Jun
3 wk after
Cornflower
Centaurea cyanus
28 May
11 Jul
0 wk
29 May
1 Jul
0 wk
Statice
Limonium sinuatum
8 – 22 Apr
14 Apr
8-10 wk
17 Jun
3 wk after
Sweet William
Dianthus barbatus
2 – 16 Apr
6-8 wk
28 May
0 wk
7 Jun
1 wk after
Snow-on-the-mountain
Euphorbia marginata
22 Apr – 6 May
28 Apr
6-8 wk
17 Jun
3 wk after
3 Aug
10 wk after
Pinnate dahlia
Dahlia × pinnata
17 Apr – 1 May
3 May
6-8 wk
12 Jun
14 Jun
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
Fleece
15 Apr – 13 May
26 May
4-8 wk
10 Jun
23 Jun
2 wk after
10 Jun
13 Jun
2 wk after
Foxglove
Digitalis purpurea
19 Mar – 2 Apr
8-10 wk
28 May
0 wk
10 Jun
2 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
22 Apr – 6 May
8 May
6-8 wk
17 Jun
19 Jun
3 wk after
Hyacinth bean
Dolichos lablab
Season too short
6 – 20 May
4-6 wk
17 Jun
3 wk after
Chinese lantern
Physalis alkekengi
25 Mar – 8 Apr
13 Apr
8-10 wk
3 Jun
8 Jun
1 wk after
Love in a mist
Nigella damascena
28 May
26 Jun
0 wk
29 May
16 Jun
0 wk
Strawflower
Xerochrysum bracteatum
Fleece
13 – 27 Apr
26 Apr
6-8 wk
8 Jun
2 wk after
17 Jul
7 wk after
Purple-top vervain
Verbena bonariensis
11 Mar – 8 Apr
13 Apr
8-12 wk
3 Jun
8 Jun
1 wk after
Cardoon
Cynara cardunculus
Greenhouse
9 Mar – 6 Apr
17 Mar
8-12 wk
1 Jun
1 wk after
Regal-foxtail
Ptilotus nobilis
Fleece
25 Mar – 22 Apr
12 Apr
8-12 wk
17 Jun
3 wk after
Globe amaranth
Gomphrena globosa
Fleece
22 Apr – 6 May
26 Apr
6-8 wk
17 Jun
3 wk after
Corn poppy
Papaver rhoeas
28 May
11 Jul
0 wk
29 May
1 Jul
0 wk
Snapdragon
Antirrhinum majus
5 Mar – 2 Apr
6 May
8-12 wk
28 May
1 Jul
0 wk
7 Jun
21 Jun
1 wk after
Flossflower
Ageratum houstonianum
Fleece
8 – 22 Apr
2 May
8-10 wk
17 Jun
27 Jun
3 wk after
Sweet pea
Lathyrus odoratus
2 – 23 Apr
27 May
5-8 wk
28 May
1 Jul
0 wk
Stock
Matthiola incana
2 – 16 Apr
30 May
6-8 wk
28 May
11 Jul
0 wk
10 Jun
1 Jul
2 wk after
Wormwood
Artemisia absinthium
2 – 16 Apr
30 Apr
6-8 wk
28 May
11 Jun
0 wk
10 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
27 Apr – 11 May
12 May
4-6 wk
8 Jun
9 Jun
2 wk after
Garden pansy
Viola × wittrockiana
19 Mar – 2 Apr
16 May
8-10 wk
28 May
11 Jul
0 wk
7 Jun
1 Jul
1 wk after
Petunia
Petunia
25 Mar – 22 Apr
14 Apr
8-12 wk
17 Jun
3 wk after
Sweet Scabious
Scabiosa atropurpurea
8 – 22 Apr
27 Apr
6-8 wk
3 Jun
8 Jun
1 wk after
10 Jul
6 wk after
Common zinnia
Zinnia elegans
6 – 20 May
20 May
4-6 wk
17 Jun
17 Jun
3 wk after
Common morning glory
Ipomoea purpurea
Fleece
13 – 27 May
27 May
3-5 wk
17 Jun
17 Jun
3 wk after
Garden cosmos
Cosmos bipinnatus
6 – 20 May
17 May
4-6 wk
17 Jun
3 wk after
10 Jul
6 wk after
Scarlet milkweed
Asclepias curassavica
Fleece
8 Apr – 6 May
12 May
8-12 wk
1 Jul
7 Jul
5 wk after
Bee balm
Monarda didyma
5 Mar – 2 Apr
16 Apr
8-12 wk
28 May
11 Jun
0 wk
22 Jun
4 wk after
Yarrow
Achillea millefolium
2 – 16 Apr
6-8 wk
28 May
0 wk
10 Jun
2 wk after
Safflower
Carthamus tinctorius
28 May
11 Jun
0 wk
29 May
1 Jun
0 wk
Iceland poppy
Papaver nudicaule
Season too short
2 – 16 Apr
20 May
6-8 wk
28 May
1 Jul
0 wk
12 May
21 Jun
2 wk before
Bishop's flower
Ammi majus
16 – 30 Apr
3 Jun
4-6 wk
28 May
1 Jul
0 wk
10 Jun
21 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
16 – 30 Mar
25 Mar
10-12 wk
8 Jun
2 wk after
Sunflower
Helianthus annuus
20 – 27 May
28 May
3-4 wk
17 Jun
18 Jun
3 wk after
22 Jun
4 wk after
China aster
Callistephus chinensis
22 Apr – 6 May
17 May
6-8 wk
17 Jun
28 Jun
3 wk after
10 Jul
6 wk after
Annual phlox
Phlox drummondii
13 – 27 Apr
8 May
6-8 wk
8 Jun
19 Jun
2 wk after
10 Jul
6 wk after
Hollyhock
Alcea rosea
2 – 16 Apr
6-8 wk
28 May
0 wk
10 Jun
2 wk after
Alpine delphinium
Delphinium elatum
5 Mar – 2 Apr
16 Apr
8-12 wk
28 May
11 Jun
0 wk
22 Jun
4 wk after
African marigold
Tagetes erecta
22 Apr – 6 May
8 May
6-8 wk
17 Jun
19 Jun
3 wk after
Black-eyed Susan
Rudbeckia hirta
8 – 22 Apr
7 May
6-8 wk
3 Jun
18 Jun
1 wk after
10 Jul
6 wk after
Wood sage
Salvia nemorosa
19 Mar – 2 Apr
6 Apr
8-10 wk
28 May
1 Jun
0 wk
22 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
8 Apr – 6 May
6 May
6-10 wk
17 Jun
17 Jun
3 wk after
California goldenpoppy
Eschscholzia californica
28 May
10 Jul
0 wk
29 May
30 Jun
0 wk
Painted tongue
Salpiglossis sinuata
8 – 22 Apr
9 Apr
8-10 wk
17 Jun
3 wk after
Water forget-me-not
Myosotis scorpioides
2 – 16 Apr
30 Apr
6-8 wk
28 May
11 Jun
0 wk
10 Jun
2 wk after