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-0.4°
Slight frost tomorrow at 23:00. Bring in or cover sensitive plants
Method
Rel. frost
Last spring frost (0°C) 4 Jun Normal year · 20 years of data
Frost-free season 116 days 4 Jun – 28 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)
16 – 30 Apr
12 Jun
5-7 wk
4 Jun
17 Jul
0 wk
5 Jun
7 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
23 Apr – 7 May
24 Jun
4-6 wk
4 Jun
22 Jul
0 wk
5 Jun
12 Jul
0 wk
Chili pepper
Capsicum annuum
Season too short
23 Mar – 20 Apr
8-12 wk
15 Jun
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
16 – 30 Apr
7 Jun
5-7 wk
4 Jun
12 Jul
0 wk
4 Jun
2 Jul
0 wk
Garden cucumber
Cucumis sativus
Greenhouse
18 – 25 May
27 May
3-4 wk
15 Jun
17 Jun
2 wk after
Florence Fennel
Foeniculum vulgare
Fleece
20 – 27 May
4 Jun
4-5 wk
24 Jun
2 Jul
3 wk after
29 Jun
4 wk after
Butter bean
Phaseolus lunatus
Season too short
17 – 24 Jun
3-4 wk
15 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
Greenhouse
12 Mar – 9 Apr
26 Mar
8-12 wk
4 Jun
0 wk
4 Jun
0 wk
Onion (sets)
Allium cepa (Cepa-gruppen)
Season too short
26 May
10 Jun
1 wk before
26 May
31 May
1 wk before
Maize
Zea mays
Greenhouse
11 – 18 May
17 May
3-4 wk
8 Jun
1 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
13 – 20 May
1 Jul
3-4 wk
10 Jun
22 Jul
1 wk after
17 Jun
12 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
4 Jun
2 Jul
0 wk
4 Jun
22 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
16 – 30 Apr
7 Jun
5-7 wk
4 Jun
12 Jul
0 wk
4 Jun
2 Jul
0 wk
Potato
Solanum tuberosum
Season too short
20 Apr – 4 May
22 May
4-6 wk
1 Jun
19 Jun
0 wk
1 Jun
9 Jun
0 wk
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
16 – 30 Apr
17 Jun
5-7 wk
4 Jun
22 Jul
0 wk
5 Jun
12 Jul
0 wk
Pumpkin
Cucurbita pepo
Greenhouse
18 – 25 May
20 Jun
3-4 wk
15 Jun
11 Jul
2 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
Fleece
7 – 14 May
14 May
3-4 wk
4 Jun
4 Jun
0 wk
10 Jun
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
23 Apr – 7 May
19 Jun
4-6 wk
4 Jun
17 Jul
0 wk
Lettuce
Lactuca sativa
7 – 14 May
6 Jul
3-4 wk
4 Jun
27 Jul
0 wk
5 Jun
17 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
23 Apr – 7 May
19 Jun
4-6 wk
4 Jun
17 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
Greenhouse
21 Apr – 5 May
29 May
2-4 wk
19 May
12 Jun
2 wk before
19 May
2 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
Season too short
26 May
10 Jun
1 wk before
26 May
31 May
1 wk before
Spinach
Spinacia oleracea
7 – 14 May
21 Jul
3-4 wk
4 Jun
11 Aug
0 wk
1 Jun
1 Aug
0 wk
Sweet potato
Ipomoea batatas
29 Jun – 13 Jul
4-6 wk
10 Aug
10 wk after
Garden tomato
Solanum lycopersicum
Greenhouse
13 – 27 Apr
26 Apr
6-8 wk
8 Jun
1 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Fleece
18 May – 1 Jun
3 Jun
2-4 wk
15 Jun
17 Jun
2 wk after
29 Jun
4 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
23 Apr – 7 May
19 Jun
4-6 wk
4 Jun
17 Jul
0 wk
Garden pea
Pisum sativum
7 – 14 May
21 Jun
3-4 wk
4 Jun
12 Jul
0 wk
5 Jun
2 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
Greenhouse
4 – 18 May
29 May
4-6 wk
15 Jun
26 Jun
2 wk after
Lemon balm
Melissa officinalis
26 Mar – 9 Apr
17 May
8-10 wk
4 Jun
12 Jul
0 wk
29 Jun
2 Jul
4 wk after
Dill
Anethum graveolens
5 Jun
22 Jul
0 wk
Wild chives
Allium schoenoprasum
9 – 23 Apr
31 May
6-8 wk
4 Jun
12 Jul
0 wk
5 Jun
2 Jul
0 wk
Spearmint
Mentha spicata
12 Mar – 9 Apr
17 May
8-12 wk
4 Jun
12 Jul
0 wk
29 Jun
2 Jul
4 wk after
Coriander
Coriandrum sativum
4 Jun
11 Aug
0 wk
17 Jun
1 Aug
2 wk after
Garden sage
Salvia officinalis
1 – 15 Apr
2 May
8-10 wk
10 Jun
27 Jun
1 wk after
Common thyme
Thymus vulgaris
26 Mar – 9 Apr
7 May
8-10 wk
4 Jun
2 Jul
0 wk
Oregano
Origanum vulgare
9 – 23 Apr
21 May
6-8 wk
4 Jun
2 Jul
0 wk
29 Jun
4 wk after
Parsley
Petroselinum crispum
9 – 23 Apr
21 May
6-8 wk
4 Jun
2 Jul
0 wk
5 Jun
22 Jun
0 wk
Rosemary
Salvia rosmarinus
4 Mar – 1 Apr
3 Apr
10-14 wk
10 Jun
12 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
Greenhouse
18 – 25 May
5 Jun
3-4 wk
15 Jun
26 Jun
2 wk after
Cornflower
Centaurea cyanus
4 Jun
12 Jul
0 wk
5 Jun
2 Jul
0 wk
Statice
Limonium sinuatum
Fleece
6 – 20 Apr
27 Apr
8-10 wk
15 Jun
22 Jun
2 wk after
Sweet William
Dianthus barbatus
9 – 23 Apr
6-8 wk
4 Jun
0 wk
14 Jun
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Fleece
20 Apr – 4 May
11 May
6-8 wk
15 Jun
22 Jun
2 wk after
24 Jul
7 wk after
Pinnate dahlia
Dahlia × pinnata
Fleece
15 – 29 Apr
18 May
6-8 wk
10 Jun
29 Jun
1 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
Greenhouse
15 Apr – 13 May
4 Jun
4-8 wk
10 Jun
2 Jul
1 wk after
10 Jun
22 Jun
1 wk after
Foxglove
Digitalis purpurea
26 Mar – 9 Apr
8-10 wk
4 Jun
0 wk
17 Jun
2 wk after
Busy lizzie
Impatiens walleriana
15 Apr – 13 May
28 May
8-12 wk
8 Jul
23 Jul
5 wk after
Creeping zinnia
Sanvitalia procumbens
Fleece
20 Apr – 4 May
21 May
6-8 wk
15 Jun
2 Jul
2 wk after
Hyacinth bean
Dolichos lablab
Season too short
13 – 27 May
4-6 wk
24 Jun
3 wk after
Chinese lantern
Physalis alkekengi
1 – 15 Apr
17 Apr
8-10 wk
10 Jun
12 Jun
1 wk after
Love in a mist
Nigella damascena
4 Jun
27 Jun
0 wk
5 Jun
17 Jun
0 wk
Strawflower
Xerochrysum bracteatum
Fleece
20 Apr – 4 May
1 May
6-8 wk
15 Jun
2 wk after
24 Jul
7 wk after
Purple-top vervain
Verbena bonariensis
18 Mar – 15 Apr
17 Apr
8-12 wk
10 Jun
12 Jun
1 wk after
Cardoon
Cynara cardunculus
Greenhouse
16 Mar – 13 Apr
18 Mar
8-12 wk
8 Jun
1 wk after
Regal-foxtail
Ptilotus nobilis
Greenhouse
23 Mar – 20 Apr
21 Apr
8-12 wk
15 Jun
16 Jun
2 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
20 Apr – 4 May
5 May
6-8 wk
15 Jun
16 Jun
2 wk after
Corn poppy
Papaver rhoeas
4 Jun
12 Jul
0 wk
5 Jun
2 Jul
0 wk
Snapdragon
Antirrhinum majus
12 Mar – 9 Apr
7 May
8-12 wk
4 Jun
2 Jul
0 wk
14 Jun
22 Jun
1 wk after
Flossflower
Ageratum houstonianum
Fleece
15 – 29 Apr
7 May
8-10 wk
24 Jun
2 Jul
3 wk after
Sweet pea
Lathyrus odoratus
9 – 30 Apr
28 May
5-8 wk
4 Jun
2 Jul
0 wk
Stock
Matthiola incana
9 – 23 Apr
31 May
6-8 wk
4 Jun
12 Jul
0 wk
17 Jun
2 Jul
2 wk after
Wormwood
Artemisia absinthium
9 – 23 Apr
1 May
6-8 wk
4 Jun
12 Jun
0 wk
17 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
4 – 18 May
14 May
4-6 wk
15 Jun
2 wk after
Garden pansy
Viola × wittrockiana
26 Mar – 9 Apr
17 May
8-10 wk
4 Jun
12 Jul
0 wk
14 Jun
2 Jul
1 wk after
Petunia
Petunia
Fleece
23 Mar – 20 Apr
27 Apr
8-12 wk
15 Jun
22 Jun
2 wk after
Sweet Scabious
Scabiosa atropurpurea
15 – 29 Apr
1 May
6-8 wk
10 Jun
12 Jun
1 wk after
17 Jul
6 wk after
Common zinnia
Zinnia elegans
Fleece
4 – 18 May
29 May
4-6 wk
15 Jun
26 Jun
2 wk after
Common morning glory
Ipomoea purpurea
Greenhouse
11 – 25 May
5 Jun
3-5 wk
15 Jun
26 Jun
2 wk after
Garden cosmos
Cosmos bipinnatus
Fleece
4 – 18 May
1 Jun
4-6 wk
15 Jun
29 Jun
2 wk after
29 Jun
4 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
1 – 29 Apr
21 May
8-12 wk
24 Jun
16 Jul
3 wk after
Bee balm
Monarda didyma
12 Mar – 9 Apr
17 Apr
8-12 wk
4 Jun
12 Jun
0 wk
29 Jun
4 wk after
Yarrow
Achillea millefolium
9 – 23 Apr
6-8 wk
4 Jun
0 wk
17 Jun
2 wk after
Safflower
Carthamus tinctorius
4 Jun
12 Jun
0 wk
5 Jun
0 wk
Iceland poppy
Papaver nudicaule
Season too short
9 – 23 Apr
21 May
6-8 wk
4 Jun
2 Jul
0 wk
19 May
22 Jun
2 wk before
Bishop's flower
Ammi majus
23 Apr – 7 May
4 Jun
4-6 wk
4 Jun
2 Jul
0 wk
17 Jun
22 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
23 Mar – 6 Apr
31 Mar
10-12 wk
15 Jun
2 wk after
Sunflower
Helianthus annuus
27 May – 3 Jun
11 Jun
3-4 wk
24 Jun
2 Jul
3 wk after
29 Jun
4 wk after
China aster
Callistephus chinensis
29 Apr – 13 May
31 May
6-8 wk
24 Jun
12 Jul
3 wk after
17 Jul
6 wk after
Annual phlox
Phlox drummondii
20 Apr – 4 May
13 May
6-8 wk
15 Jun
24 Jun
2 wk after
17 Jul
6 wk after
Hollyhock
Alcea rosea
9 – 23 Apr
6-8 wk
4 Jun
0 wk
17 Jun
2 wk after
Alpine delphinium
Delphinium elatum
12 Mar – 9 Apr
17 Apr
8-12 wk
4 Jun
12 Jun
0 wk
29 Jun
4 wk after
African marigold
Tagetes erecta
Fleece
20 Apr – 4 May
21 May
6-8 wk
15 Jun
2 Jul
2 wk after
Black-eyed Susan
Rudbeckia hirta
15 – 29 Apr
21 May
6-8 wk
10 Jun
2 Jul
1 wk after
17 Jul
6 wk after
Wood sage
Salvia nemorosa
26 Mar – 9 Apr
7 Apr
8-10 wk
4 Jun
0 wk
29 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
Greenhouse
6 Apr – 4 May
15 May
6-10 wk
15 Jun
26 Jun
2 wk after
California goldenpoppy
Eschscholzia californica
4 Jun
12 Jul
0 wk
5 Jun
2 Jul
0 wk
Painted tongue
Salpiglossis sinuata
15 – 29 Apr
3 May
8-10 wk
24 Jun
28 Jun
3 wk after
Water forget-me-not
Myosotis scorpioides
9 – 23 Apr
1 May
6-8 wk
4 Jun
12 Jun
0 wk
17 Jun
2 wk after