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-2.1°
Last 24h: Slight frost recorded tonight at 04:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 23 May Normal year · 20 years of data
Frost-free season 114 days 23 May – 14 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)
4 – 18 Apr
10 Jun
5-7 wk
23 May
15 Jul
0 wk
24 May
5 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
11 – 25 Apr
22 Jun
4-6 wk
23 May
20 Jul
0 wk
24 May
10 Jul
0 wk
Chili pepper
Capsicum annuum
Season too short
11 Mar – 8 Apr
20 Mar
8-12 wk
3 Jun
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
4 – 18 Apr
5 Jun
5-7 wk
23 May
10 Jul
0 wk
23 May
30 Jun
0 wk
Garden cucumber
Cucumis sativus
Greenhouse
6 – 13 May
6 Jun
3-4 wk
3 Jun
27 Jun
2 wk after
Florence Fennel
Foeniculum vulgare
Fleece
8 – 15 May
31 May
4-5 wk
12 Jun
28 Jun
3 wk after
17 Jun
18 Jun
4 wk after
Butter bean
Phaseolus lunatus
Season too short
5 – 12 Jun
3-4 wk
3 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
Fleece
28 Feb – 28 Mar
14 Mar
8-12 wk
23 May
0 wk
29 May
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
Fleece
20 May
29 May
0 wk
20 May
0 wk
Maize
Zea mays
Fleece
6 – 13 May
3-4 wk
3 Jun
2 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
1 – 8 May
27 Jun
3-4 wk
29 May
18 Jul
1 wk after
5 Jun
8 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
23 May
30 Jun
0 wk
23 May
20 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
4 – 18 Apr
5 Jun
5-7 wk
23 May
10 Jul
0 wk
23 May
30 Jun
0 wk
Potato
Solanum tuberosum
Fleece
12 – 26 Apr
14 May
4-6 wk
24 May
11 Jun
0 wk
24 May
1 Jun
0 wk
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
4 – 18 Apr
15 Jun
5-7 wk
23 May
20 Jul
0 wk
24 May
10 Jul
0 wk
Pumpkin
Cucurbita pepo
Fleece
15 – 22 May
11 Jun
3-4 wk
12 Jun
2 Jul
3 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
1 – 8 May
7 May
3-4 wk
29 May
1 wk after
5 Jun
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
11 – 25 Apr
17 Jun
4-6 wk
23 May
15 Jul
0 wk
Lettuce
Lactuca sativa
25 Apr – 2 May
4 Jul
3-4 wk
23 May
25 Jul
0 wk
24 May
15 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
11 – 25 Apr
17 Jun
4-6 wk
23 May
15 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
25 Apr – 9 May
11 May
2-4 wk
23 May
25 May
0 wk
23 May
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
Fleece
20 May
29 May
0 wk
20 May
0 wk
Spinach
Spinacia oleracea
25 Apr – 2 May
19 Jul
3-4 wk
23 May
9 Aug
0 wk
20 May
30 Jul
0 wk
Sweet potato
Ipomoea batatas
17 Jun – 1 Jul
4-6 wk
29 Jul
10 wk after
Garden tomato
Solanum lycopersicum
Fleece
8 – 22 Apr
13 Apr
6-8 wk
3 Jun
2 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Fleece
6 – 20 May
13 Jun
2-4 wk
3 Jun
27 Jun
2 wk after
17 Jun
17 Jun
4 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
11 – 25 Apr
17 Jun
4-6 wk
23 May
15 Jul
0 wk
Garden pea
Pisum sativum
25 Apr – 2 May
19 Jun
3-4 wk
23 May
10 Jul
0 wk
24 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
1 – 15 May
20 May
4-6 wk
12 Jun
17 Jun
3 wk after
Lemon balm
Melissa officinalis
14 – 28 Mar
15 May
8-10 wk
23 May
10 Jul
0 wk
17 Jun
30 Jun
4 wk after
Dill
Anethum graveolens
24 May
18 Jul
0 wk
Wild chives
Allium schoenoprasum
28 Mar – 11 Apr
29 May
6-8 wk
23 May
10 Jul
0 wk
24 May
30 Jun
0 wk
Spearmint
Mentha spicata
28 Feb – 28 Mar
15 May
8-12 wk
23 May
10 Jul
0 wk
17 Jun
30 Jun
4 wk after
Coriander
Coriandrum sativum
23 May
7 Aug
0 wk
5 Jun
28 Jul
2 wk after
Garden sage
Salvia officinalis
20 Mar – 3 Apr
30 Apr
8-10 wk
29 May
25 Jun
1 wk after
Common thyme
Thymus vulgaris
14 – 28 Mar
5 May
8-10 wk
23 May
30 Jun
0 wk
Oregano
Origanum vulgare
28 Mar – 11 Apr
19 May
6-8 wk
23 May
30 Jun
0 wk
17 Jun
20 Jun
4 wk after
Parsley
Petroselinum crispum
28 Mar – 11 Apr
19 May
6-8 wk
23 May
30 Jun
0 wk
24 May
20 Jun
0 wk
Rosemary
Salvia rosmarinus
20 Feb – 20 Mar
26 Mar
10-14 wk
29 May
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
15 – 22 May
27 May
3-4 wk
12 Jun
17 Jun
3 wk after
Cornflower
Centaurea cyanus
23 May
10 Jul
0 wk
24 May
30 Jun
0 wk
Statice
Limonium sinuatum
Fleece
25 Mar – 8 Apr
23 Apr
8-10 wk
3 Jun
18 Jun
2 wk after
Sweet William
Dianthus barbatus
28 Mar – 11 Apr
6-8 wk
23 May
0 wk
2 Jun
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Fleece
8 – 22 Apr
7 May
6-8 wk
3 Jun
18 Jun
2 wk after
12 Jul
7 wk after
Pinnate dahlia
Dahlia × pinnata
12 – 26 Apr
4 May
6-8 wk
7 Jun
15 Jun
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
Fleece
10 Apr – 8 May
27 May
4-8 wk
5 Jun
24 Jun
2 wk after
5 Jun
14 Jun
2 wk after
Foxglove
Digitalis purpurea
14 – 28 Mar
8-10 wk
23 May
0 wk
5 Jun
2 wk after
Busy lizzie
Impatiens walleriana
3 Apr – 1 May
7 Jun
8-12 wk
26 Jun
2 Aug
5 wk after
Creeping zinnia
Sanvitalia procumbens
17 Apr – 1 May
8 May
6-8 wk
12 Jun
19 Jun
3 wk after
Hyacinth bean
Dolichos lablab
Season too short
1 – 15 May
4-6 wk
12 Jun
3 wk after
Chinese lantern
Physalis alkekengi
20 Mar – 3 Apr
13 Apr
8-10 wk
29 May
8 Jun
1 wk after
Love in a mist
Nigella damascena
23 May
25 Jun
0 wk
24 May
15 Jun
0 wk
Strawflower
Xerochrysum bracteatum
Fleece
8 – 22 Apr
27 Apr
6-8 wk
3 Jun
8 Jun
2 wk after
12 Jul
7 wk after
Purple-top vervain
Verbena bonariensis
6 Mar – 3 Apr
13 Apr
8-12 wk
29 May
8 Jun
1 wk after
Cardoon
Cynara cardunculus
Greenhouse
4 Mar – 1 Apr
16 Mar
8-12 wk
27 May
1 wk after
Regal-foxtail
Ptilotus nobilis
Greenhouse
11 Mar – 8 Apr
20 Apr
8-12 wk
3 Jun
15 Jun
2 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
8 – 22 Apr
4 May
6-8 wk
3 Jun
15 Jun
2 wk after
Corn poppy
Papaver rhoeas
23 May
10 Jul
0 wk
24 May
30 Jun
0 wk
Snapdragon
Antirrhinum majus
28 Feb – 28 Mar
5 May
8-12 wk
23 May
30 Jun
0 wk
2 Jun
20 Jun
1 wk after
Flossflower
Ageratum houstonianum
Fleece
3 – 17 Apr
3 May
8-10 wk
12 Jun
28 Jun
3 wk after
Sweet pea
Lathyrus odoratus
28 Mar – 18 Apr
26 May
5-8 wk
23 May
30 Jun
0 wk
Stock
Matthiola incana
28 Mar – 11 Apr
29 May
6-8 wk
23 May
10 Jul
0 wk
5 Jun
30 Jun
2 wk after
Wormwood
Artemisia absinthium
28 Mar – 11 Apr
29 Apr
6-8 wk
23 May
10 Jun
0 wk
5 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
22 Apr – 6 May
13 May
4-6 wk
3 Jun
10 Jun
2 wk after
Garden pansy
Viola × wittrockiana
14 – 28 Mar
15 May
8-10 wk
23 May
10 Jul
0 wk
2 Jun
30 Jun
1 wk after
Petunia
Petunia
Fleece
11 Mar – 8 Apr
23 Apr
8-12 wk
3 Jun
18 Jun
2 wk after
Sweet Scabious
Scabiosa atropurpurea
3 – 17 Apr
27 Apr
6-8 wk
29 May
8 Jun
1 wk after
5 Jul
6 wk after
Common zinnia
Zinnia elegans
1 – 15 May
20 May
4-6 wk
12 Jun
17 Jun
3 wk after
Common morning glory
Ipomoea purpurea
Fleece
8 – 22 May
27 May
3-5 wk
12 Jun
17 Jun
3 wk after
Garden cosmos
Cosmos bipinnatus
1 – 15 May
18 May
4-6 wk
12 Jun
15 Jun
3 wk after
5 Jul
6 wk after
Scarlet milkweed
Asclepias curassavica
Fleece
3 Apr – 1 May
12 May
8-12 wk
26 Jun
7 Jul
5 wk after
Bee balm
Monarda didyma
28 Feb – 28 Mar
15 Apr
8-12 wk
23 May
10 Jun
0 wk
17 Jun
4 wk after
Yarrow
Achillea millefolium
28 Mar – 11 Apr
30 Mar
6-8 wk
23 May
0 wk
5 Jun
2 wk after
Safflower
Carthamus tinctorius
23 May
10 Jun
0 wk
24 May
31 May
0 wk
Iceland poppy
Papaver nudicaule
Season too short
28 Mar – 11 Apr
19 May
6-8 wk
23 May
30 Jun
0 wk
7 May
20 Jun
2 wk before
Bishop's flower
Ammi majus
11 – 25 Apr
2 Jun
4-6 wk
23 May
30 Jun
0 wk
5 Jun
20 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
11 – 25 Mar
26 Mar
10-12 wk
3 Jun
4 Jun
2 wk after
Sunflower
Helianthus annuus
15 – 22 May
3 Jun
3-4 wk
12 Jun
24 Jun
3 wk after
17 Jun
4 wk after
China aster
Callistephus chinensis
17 Apr – 1 May
23 May
6-8 wk
12 Jun
4 Jul
3 wk after
5 Jul
6 wk after
Annual phlox
Phlox drummondii
8 – 22 Apr
8 May
6-8 wk
3 Jun
19 Jun
2 wk after
5 Jul
6 wk after
Hollyhock
Alcea rosea
28 Mar – 11 Apr
6-8 wk
23 May
0 wk
5 Jun
2 wk after
Alpine delphinium
Delphinium elatum
28 Feb – 28 Mar
15 Apr
8-12 wk
23 May
10 Jun
0 wk
17 Jun
4 wk after
African marigold
Tagetes erecta
17 Apr – 1 May
8 May
6-8 wk
12 Jun
19 Jun
3 wk after
Black-eyed Susan
Rudbeckia hirta
3 – 17 Apr
13 May
6-8 wk
29 May
24 Jun
1 wk after
5 Jul
6 wk after
Wood sage
Salvia nemorosa
14 – 28 Mar
5 Apr
8-10 wk
23 May
31 May
0 wk
17 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
3 Apr – 1 May
6 May
6-10 wk
12 Jun
17 Jun
3 wk after
California goldenpoppy
Eschscholzia californica
23 May
10 Jul
0 wk
24 May
30 Jun
0 wk
Painted tongue
Salpiglossis sinuata
3 – 17 Apr
23 Apr
8-10 wk
12 Jun
18 Jun
3 wk after
Water forget-me-not
Myosotis scorpioides
28 Mar – 11 Apr
29 Apr
6-8 wk
23 May
10 Jun
0 wk
5 Jun
2 wk after