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No frost in sight Last frost normally in 7 days (16 May), but frost-free in the forecast.
Method
Rel. frost
Last spring frost (0°C) 16 May Normal year · 20 years of data
Frost-free season 129 days 16 May – 22 Sep
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)
28 Mar – 11 Apr
14 Jun
5-7 wk
16 May
19 Jul
0 wk
20 May
9 Jul
1 wk after
Broccoli
Brassica oleracea (Italica-gruppen)
4 – 18 Apr
26 Jun
4-6 wk
16 May
24 Jul
0 wk
20 May
14 Jul
1 wk after
Chili pepper
Capsicum annuum
Greenhouse
8 Mar – 5 Apr
31 Mar
8-12 wk
31 May
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
28 Mar – 11 Apr
9 Jun
5-7 wk
16 May
14 Jul
0 wk
16 May
4 Jul
0 wk
Garden cucumber
Cucumis sativus
Fleece
15 – 22 May
25 May
3-4 wk
12 Jun
15 Jun
4 wk after
Florence Fennel
Foeniculum vulgare
24 – 31 May
27 May
4-5 wk
28 Jun
6 wk after
4 Jul
7 wk after
Butter bean
Phaseolus lunatus
Season too short
5 – 12 Jun
3-4 wk
3 Jul
7 wk after
Onion
Allium cepa (Cepa-gruppen)
21 Feb – 21 Mar
23 Mar
8-12 wk
16 May
18 May
0 wk
6 Jun
3 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
20 May
7 Jun
1 wk after
20 May
28 May
1 wk after
Maize
Zea mays
Fleece
3 – 10 May
15 May
3-4 wk
31 May
5 Jun
2 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
26 Apr – 3 May
2 Jul
3-4 wk
24 May
23 Jul
1 wk after
6 Jun
13 Jul
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
16 May
4 Jul
0 wk
16 May
24 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
28 Mar – 11 Apr
9 Jun
5-7 wk
16 May
14 Jul
0 wk
16 May
4 Jul
0 wk
Potato
Solanum tuberosum
20 Apr – 4 May
21 May
4-6 wk
1 Jun
18 Jun
2 wk after
1 Jun
8 Jun
2 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
28 Mar – 11 Apr
19 Jun
5-7 wk
16 May
24 Jul
0 wk
20 May
14 Jul
1 wk after
Pumpkin
Cucurbita pepo
31 May – 7 Jun
3-4 wk
28 Jun
6 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
26 Apr – 3 May
24 May
3-4 wk
24 May
14 Jun
1 wk after
6 Jun
3 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
4 – 18 Apr
21 Jun
4-6 wk
16 May
19 Jul
0 wk
Lettuce
Lactuca sativa
18 – 25 Apr
8 Jul
3-4 wk
16 May
29 Jul
0 wk
20 May
19 Jul
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
4 – 18 Apr
21 Jun
4-6 wk
16 May
19 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
18 Apr – 2 May
27 May
2-4 wk
16 May
10 Jun
0 wk
16 May
31 May
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
20 May
7 Jun
1 wk after
20 May
28 May
1 wk after
Spinach
Spinacia oleracea
18 – 25 Apr
23 Jul
3-4 wk
16 May
13 Aug
0 wk
12 May
3 Aug
1 wk before
Sweet potato
Ipomoea batatas
17 Jun – 1 Jul
4-6 wk
29 Jul
11 wk after
Garden tomato
Solanum lycopersicum
Fleece
5 – 19 Apr
24 Apr
6-8 wk
31 May
5 Jun
2 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
15 – 29 May
1 Jun
2-4 wk
12 Jun
15 Jun
4 wk after
4 Jul
7 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
4 – 18 Apr
21 Jun
4-6 wk
16 May
19 Jul
0 wk
Garden pea
Pisum sativum
18 – 25 Apr
23 Jun
3-4 wk
16 May
14 Jul
0 wk
20 May
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
27 May
4-6 wk
12 Jun
24 Jun
4 wk after
Lemon balm
Melissa officinalis
7 – 21 Mar
19 May
8-10 wk
16 May
14 Jul
0 wk
20 Jun
4 Jul
5 wk after
Dill
Anethum graveolens
20 May
23 Jul
1 wk after
Wild chives
Allium schoenoprasum
21 Mar – 4 Apr
2 Jun
6-8 wk
16 May
14 Jul
0 wk
20 May
4 Jul
1 wk after
Spearmint
Mentha spicata
21 Feb – 21 Mar
19 May
8-12 wk
16 May
14 Jul
0 wk
20 Jun
4 Jul
5 wk after
Coriander
Coriandrum sativum
16 May
12 Aug
0 wk
6 Jun
2 Aug
3 wk after
Garden sage
Salvia officinalis
15 – 29 Mar
4 May
8-10 wk
24 May
29 Jun
1 wk after
Common thyme
Thymus vulgaris
7 – 21 Mar
9 May
8-10 wk
16 May
4 Jul
0 wk
Oregano
Origanum vulgare
21 Mar – 4 Apr
23 May
6-8 wk
16 May
4 Jul
0 wk
20 Jun
24 Jun
5 wk after
Parsley
Petroselinum crispum
21 Mar – 4 Apr
23 May
6-8 wk
16 May
4 Jul
0 wk
20 May
24 Jun
1 wk after
Rosemary
Salvia rosmarinus
15 Feb – 15 Mar
31 Mar
10-14 wk
24 May
9 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
15 – 22 May
3 Jun
3-4 wk
12 Jun
24 Jun
4 wk after
Cornflower
Centaurea cyanus
16 May
14 Jul
0 wk
20 May
4 Jul
1 wk after
Statice
Limonium sinuatum
3 – 17 Apr
23 Apr
8-10 wk
12 Jun
18 Jun
4 wk after
Sweet William
Dianthus barbatus
21 Mar – 4 Apr
6-8 wk
16 May
0 wk
1 Jun
2 wk after
Snow-on-the-mountain
Euphorbia marginata
17 Apr – 1 May
7 May
6-8 wk
12 Jun
18 Jun
4 wk after
29 Jul
11 wk after
Pinnate dahlia
Dahlia × pinnata
9 – 23 Apr
13 May
6-8 wk
4 Jun
24 Jun
3 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
25 Apr – 23 May
27 May
4-8 wk
20 Jun
24 Jun
5 wk after
20 Jun
5 wk after
Foxglove
Digitalis purpurea
7 – 21 Mar
8-10 wk
16 May
0 wk
6 Jun
3 wk after
Busy lizzie
Impatiens walleriana
5 Apr – 3 May
14 Jun
8-12 wk
28 Jun
9 Aug
6 wk after
Creeping zinnia
Sanvitalia procumbens
17 Apr – 1 May
17 May
6-8 wk
12 Jun
28 Jun
4 wk after
Hyacinth bean
Dolichos lablab
Greenhouse
1 – 15 May
4-6 wk
12 Jun
4 wk after
Chinese lantern
Physalis alkekengi
15 – 29 Mar
18 Apr
8-10 wk
24 May
13 Jun
1 wk after
Love in a mist
Nigella damascena
16 May
29 Jun
0 wk
20 May
19 Jun
1 wk after
Strawflower
Xerochrysum bracteatum
17 Apr – 1 May
27 Apr
6-8 wk
12 Jun
4 wk after
29 Jul
11 wk after
Purple-top vervain
Verbena bonariensis
1 – 29 Mar
18 Apr
8-12 wk
24 May
13 Jun
1 wk after
Cardoon
Cynara cardunculus
Fleece
8 Mar – 5 Apr
20 Mar
8-12 wk
31 May
2 wk after
Regal-foxtail
Ptilotus nobilis
Fleece
20 Mar – 17 Apr
19 Apr
8-12 wk
12 Jun
14 Jun
4 wk after
Globe amaranth
Gomphrena globosa
Fleece
17 Apr – 1 May
3 May
6-8 wk
12 Jun
14 Jun
4 wk after
Corn poppy
Papaver rhoeas
16 May
14 Jul
0 wk
20 May
4 Jul
1 wk after
Snapdragon
Antirrhinum majus
21 Feb – 21 Mar
9 May
8-12 wk
16 May
4 Jul
0 wk
1 Jun
24 Jun
2 wk after
Flossflower
Ageratum houstonianum
19 Apr – 3 May
3 May
8-10 wk
28 Jun
28 Jun
6 wk after
Sweet pea
Lathyrus odoratus
21 Mar – 11 Apr
30 May
5-8 wk
16 May
4 Jul
0 wk
Stock
Matthiola incana
21 Mar – 4 Apr
2 Jun
6-8 wk
16 May
14 Jul
0 wk
6 Jun
4 Jul
3 wk after
Wormwood
Artemisia absinthium
21 Mar – 4 Apr
3 May
6-8 wk
16 May
14 Jun
0 wk
6 Jun
3 wk after
Mexican sunflower
Tithonia rotundifolia
Fleece
1 – 15 May
12 May
4-6 wk
12 Jun
4 wk after
Garden pansy
Viola × wittrockiana
7 – 21 Mar
19 May
8-10 wk
16 May
14 Jul
0 wk
1 Jun
4 Jul
2 wk after
Petunia
Petunia
20 Mar – 17 Apr
23 Apr
8-12 wk
12 Jun
18 Jun
4 wk after
Sweet Scabious
Scabiosa atropurpurea
29 Mar – 12 Apr
2 May
6-8 wk
24 May
13 Jun
1 wk after
4 Jul
7 wk after
Common zinnia
Zinnia elegans
1 – 15 May
27 May
4-6 wk
12 Jun
24 Jun
4 wk after
Common morning glory
Ipomoea purpurea
Fleece
8 – 22 May
3 Jun
3-5 wk
12 Jun
24 Jun
4 wk after
Garden cosmos
Cosmos bipinnatus
1 – 15 May
27 May
4-6 wk
12 Jun
24 Jun
4 wk after
4 Jul
7 wk after
Scarlet milkweed
Asclepias curassavica
Fleece
5 Apr – 3 May
19 May
8-12 wk
28 Jun
14 Jul
6 wk after
Bee balm
Monarda didyma
21 Feb – 21 Mar
19 Apr
8-12 wk
16 May
14 Jun
0 wk
20 Jun
5 wk after
Yarrow
Achillea millefolium
21 Mar – 4 Apr
3 Apr
6-8 wk
16 May
0 wk
6 Jun
3 wk after
Safflower
Carthamus tinctorius
16 May
14 Jun
0 wk
20 May
4 Jun
1 wk after
Iceland poppy
Papaver nudicaule
Season too short
21 Mar – 4 Apr
23 May
6-8 wk
16 May
4 Jul
0 wk
28 Apr
24 Jun
3 wk before
Bishop's flower
Ammi majus
4 – 18 Apr
6 Jun
4-6 wk
16 May
4 Jul
0 wk
6 Jun
24 Jun
3 wk after
Drumsticks
Pycnosorus globosus
Fleece
20 Mar – 3 Apr
26 Mar
10-12 wk
12 Jun
4 wk after
Sunflower
Helianthus annuus
15 – 22 May
8 Jun
3-4 wk
12 Jun
29 Jun
4 wk after
20 Jun
5 wk after
China aster
Callistephus chinensis
17 Apr – 1 May
28 May
6-8 wk
12 Jun
9 Jul
4 wk after
4 Jul
7 wk after
Annual phlox
Phlox drummondii
5 – 19 Apr
17 May
6-8 wk
31 May
28 Jun
2 wk after
4 Jul
7 wk after
Hollyhock
Alcea rosea
21 Mar – 4 Apr
6-8 wk
16 May
0 wk
6 Jun
3 wk after
Alpine delphinium
Delphinium elatum
21 Feb – 21 Mar
19 Apr
8-12 wk
16 May
14 Jun
0 wk
20 Jun
5 wk after
African marigold
Tagetes erecta
17 Apr – 1 May
17 May
6-8 wk
12 Jun
28 Jun
4 wk after
Black-eyed Susan
Rudbeckia hirta
29 Mar – 12 Apr
18 May
6-8 wk
24 May
29 Jun
1 wk after
4 Jul
7 wk after
Wood sage
Salvia nemorosa
7 – 21 Mar
9 Apr
8-10 wk
16 May
4 Jun
0 wk
20 Jun
5 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
3 Apr – 1 May
13 May
6-10 wk
12 Jun
24 Jun
4 wk after
California goldenpoppy
Eschscholzia californica
16 May
14 Jul
0 wk
20 May
4 Jul
1 wk after
Painted tongue
Salpiglossis sinuata
3 – 17 Apr
29 Apr
8-10 wk
12 Jun
24 Jun
4 wk after
Water forget-me-not
Myosotis scorpioides
21 Mar – 4 Apr
3 May
6-8 wk
16 May
14 Jun
0 wk
6 Jun
3 wk after