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-1.1°
Last 24h: Slight frost recorded tonight at 05:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 9 May Normal year · 20 years of data
Frost-free season 138 days 9 May – 24 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)
21 Mar – 4 Apr
20 Jun
5-7 wk
9 May
25 Jul
0 wk
3 May
15 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
28 Mar – 11 Apr
2 Jul
4-6 wk
9 May
30 Jul
0 wk
3 May
20 Jul
1 wk before
Chili pepper
Capsicum annuum
Fleece
13 Mar – 10 Apr
15 Apr
8-12 wk
5 Jun
10 Jun
4 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
21 Mar – 4 Apr
15 Jun
5-7 wk
9 May
20 Jul
0 wk
26 Apr
10 Jul
2 wk before
Garden cucumber
Cucumis sativus
22 – 29 May
9 Jun
3-4 wk
19 Jun
30 Jun
6 wk after
Florence Fennel
Foeniculum vulgare
15 – 22 May
7 Jun
4-5 wk
19 Jun
5 Jul
6 wk after
19 Jun
25 Jun
6 wk after
Butter bean
Phaseolus lunatus
Greenhouse
1 – 8 Jun
1 Jun
3-4 wk
29 Jun
7 wk after
Onion
Allium cepa (Cepa-gruppen)
14 Feb – 14 Mar
5 Apr
8-12 wk
9 May
31 May
0 wk
22 May
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
3 May
20 Jun
1 wk before
3 May
10 Jun
1 wk before
Maize
Zea mays
8 – 15 May
30 May
3-4 wk
5 Jun
20 Jun
4 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
11 – 18 Apr
9 Jul
3-4 wk
9 May
30 Jul
0 wk
22 May
20 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
9 May
10 Jul
0 wk
26 Apr
30 Jun
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
21 Mar – 4 Apr
15 Jun
5-7 wk
9 May
20 Jul
0 wk
26 Apr
10 Jul
2 wk before
Potato
Solanum tuberosum
2 – 16 Apr
9 Jun
4-6 wk
14 May
7 Jul
1 wk after
14 May
27 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
21 Mar – 4 Apr
25 Jun
5-7 wk
9 May
30 Jul
0 wk
3 May
20 Jul
1 wk before
Pumpkin
Cucurbita pepo
22 – 29 May
21 Jun
3-4 wk
19 Jun
12 Jul
6 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
11 – 18 Apr
17 Jun
3-4 wk
9 May
8 Jul
0 wk
22 May
28 Jun
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
28 Mar – 11 Apr
27 Jun
4-6 wk
9 May
25 Jul
0 wk
Lettuce
Lactuca sativa
11 – 18 Apr
14 Jul
3-4 wk
9 May
4 Aug
0 wk
3 May
25 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
28 Mar – 11 Apr
27 Jun
4-6 wk
9 May
25 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
29 Mar – 12 Apr
6 Jun
2-4 wk
26 Apr
20 Jun
2 wk before
26 Apr
10 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
3 May
20 Jun
1 wk before
3 May
10 Jun
1 wk before
Spinach
Spinacia oleracea
11 – 18 Apr
29 Jul
3-4 wk
9 May
19 Aug
0 wk
19 Apr
9 Aug
3 wk before
Sweet potato
Ipomoea batatas
10 – 24 Jun
4-6 wk
22 Jul
11 wk after
Garden tomato
Solanum lycopersicum
10 – 24 Apr
9 May
6-8 wk
5 Jun
20 Jun
4 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
8 – 22 May
23 Jun
2-4 wk
5 Jun
7 Jul
4 wk after
19 Jun
27 Jun
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
28 Mar – 11 Apr
27 Jun
4-6 wk
9 May
25 Jul
0 wk
Garden pea
Pisum sativum
11 – 18 Apr
29 Jun
3-4 wk
9 May
20 Jul
0 wk
3 May
10 Jul
1 wk before

Herbs

Plant Sow indoors Transplant Direct sow
Earliest Latest Growing time Earliest Latest Rel. frost Earliest Latest Rel. frost
Basil
Ocimum basilicum
8 – 22 May
30 May
4-6 wk
19 Jun
27 Jun
6 wk after
Lemon balm
Melissa officinalis
28 Feb – 14 Mar
25 May
8-10 wk
9 May
20 Jul
0 wk
4 Jun
10 Jul
4 wk after
Dill
Anethum graveolens
3 May
30 Jul
1 wk before
Wild chives
Allium schoenoprasum
14 – 28 Mar
8 Jun
6-8 wk
9 May
20 Jul
0 wk
3 May
10 Jul
1 wk before
Spearmint
Mentha spicata
14 Feb – 14 Mar
25 May
8-12 wk
9 May
20 Jul
0 wk
4 Jun
10 Jul
4 wk after
Coriander
Coriandrum sativum
9 May
19 Aug
0 wk
22 May
9 Aug
2 wk after
Garden sage
Salvia officinalis
28 Feb – 14 Mar
10 May
8-10 wk
9 May
5 Jul
0 wk
Common thyme
Thymus vulgaris
28 Feb – 14 Mar
15 May
8-10 wk
9 May
10 Jul
0 wk
Oregano
Origanum vulgare
14 – 28 Mar
29 May
6-8 wk
9 May
10 Jul
0 wk
4 Jun
30 Jun
4 wk after
Parsley
Petroselinum crispum
14 – 28 Mar
29 May
6-8 wk
9 May
10 Jul
0 wk
3 May
30 Jun
1 wk before
Rosemary
Salvia rosmarinus
31 Jan – 28 Feb
11 Apr
10-14 wk
9 May
20 Jun
0 wk

Annual flowers

Plant Sow indoors Transplant Direct sow
Earliest Latest Growing time Earliest Latest Rel. frost Earliest Latest Rel. frost
Morning glory
Ipomoea tricolor
22 – 29 May
6 Jun
3-4 wk
19 Jun
27 Jun
6 wk after
Cornflower
Centaurea cyanus
9 May
20 Jul
0 wk
3 May
10 Jul
1 wk before
Statice
Limonium sinuatum
27 Mar – 10 Apr
9 May
8-10 wk
5 Jun
4 Jul
4 wk after
Sweet William
Dianthus barbatus
14 – 28 Mar
6-8 wk
9 May
0 wk
14 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
10 – 24 Apr
23 May
6-8 wk
5 Jun
4 Jul
4 wk after
22 Jul
11 wk after
Pinnate dahlia
Dahlia × pinnata
5 – 19 Apr
29 May
6-8 wk
31 May
10 Jul
3 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
9 Apr – 7 May
12 Jun
4-8 wk
4 Jun
10 Jul
4 wk after
4 Jun
30 Jun
4 wk after
Foxglove
Digitalis purpurea
28 Feb – 14 Mar
8-10 wk
9 May
0 wk
22 May
2 wk after
Busy lizzie
Impatiens walleriana
27 Mar – 24 Apr
2 Jul
8-12 wk
19 Jun
27 Aug
6 wk after
Creeping zinnia
Sanvitalia procumbens
10 – 24 Apr
2 Jun
6-8 wk
5 Jun
14 Jul
4 wk after
Hyacinth bean
Dolichos lablab
Greenhouse
24 Apr – 8 May
15 May
4-6 wk
5 Jun
12 Jun
4 wk after
Chinese lantern
Physalis alkekengi
28 Feb – 14 Mar
25 Apr
8-10 wk
9 May
20 Jun
0 wk
Love in a mist
Nigella damascena
9 May
5 Jul
0 wk
3 May
25 Jun
1 wk before
Strawflower
Xerochrysum bracteatum
10 – 24 Apr
13 May
6-8 wk
5 Jun
24 Jun
4 wk after
22 Jul
11 wk after
Purple-top vervain
Verbena bonariensis
14 Feb – 14 Mar
25 Apr
8-12 wk
9 May
20 Jun
0 wk
Cardoon
Cynara cardunculus
13 Mar – 10 Apr
26 Mar
8-12 wk
5 Jun
4 wk after
Regal-foxtail
Ptilotus nobilis
27 Mar – 24 Apr
22 Apr
8-12 wk
19 Jun
6 wk after
Globe amaranth
Gomphrena globosa
24 Apr – 8 May
6 May
6-8 wk
19 Jun
6 wk after
Corn poppy
Papaver rhoeas
9 May
20 Jul
0 wk
3 May
10 Jul
1 wk before
Snapdragon
Antirrhinum majus
14 Feb – 14 Mar
15 May
8-12 wk
9 May
10 Jul
0 wk
14 May
30 Jun
1 wk after
Flossflower
Ageratum houstonianum
10 – 24 Apr
19 May
8-10 wk
19 Jun
14 Jul
6 wk after
Sweet pea
Lathyrus odoratus
14 Mar – 4 Apr
5 Jun
5-8 wk
9 May
10 Jul
0 wk
Stock
Matthiola incana
14 – 28 Mar
8 Jun
6-8 wk
9 May
20 Jul
0 wk
22 May
10 Jul
2 wk after
Wormwood
Artemisia absinthium
14 – 28 Mar
9 May
6-8 wk
9 May
20 Jun
0 wk
22 May
10 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
8 – 22 May
15 May
4-6 wk
19 Jun
6 wk after
Garden pansy
Viola × wittrockiana
28 Feb – 14 Mar
25 May
8-10 wk
9 May
20 Jul
0 wk
14 May
10 Jul
1 wk after
Petunia
Petunia
13 Mar – 10 Apr
9 May
8-12 wk
5 Jun
4 Jul
4 wk after
Sweet Scabious
Scabiosa atropurpurea
14 – 28 Mar
9 May
6-8 wk
9 May
20 Jun
0 wk
19 Jun
6 wk after
Common zinnia
Zinnia elegans
24 Apr – 8 May
14 Jun
4-6 wk
5 Jun
12 Jul
4 wk after
Common morning glory
Ipomoea purpurea
15 – 29 May
6 Jun
3-5 wk
19 Jun
27 Jun
6 wk after
Garden cosmos
Cosmos bipinnatus
24 Apr – 8 May
12 Jun
4-6 wk
5 Jun
10 Jul
4 wk after
19 Jun
30 Jun
6 wk after
Scarlet milkweed
Asclepias curassavica
14 Apr – 12 May
22 May
8-12 wk
7 Jul
17 Jul
8 wk after
Bee balm
Monarda didyma
14 Feb – 14 Mar
25 Apr
8-12 wk
9 May
20 Jun
0 wk
4 Jun
10 Jun
4 wk after
Yarrow
Achillea millefolium
14 – 28 Mar
9 Apr
6-8 wk
9 May
21 May
0 wk
22 May
2 wk after
Safflower
Carthamus tinctorius
9 May
20 Jun
0 wk
3 May
10 Jun
1 wk before
Iceland poppy
Papaver nudicaule
Season too short
14 – 28 Mar
29 May
6-8 wk
9 May
10 Jul
0 wk
24 Mar
30 Jun
7 wk before
Bishop's flower
Ammi majus
28 Mar – 11 Apr
12 Jun
4-6 wk
9 May
10 Jul
0 wk
22 May
30 Jun
2 wk after
Drumsticks
Pycnosorus globosus
27 Mar – 10 Apr
3 Apr
10-12 wk
19 Jun
6 wk after
Sunflower
Helianthus annuus
8 – 15 May
19 Jun
3-4 wk
5 Jun
10 Jul
4 wk after
4 Jun
30 Jun
4 wk after
China aster
Callistephus chinensis
10 – 24 Apr
8 Jun
6-8 wk
5 Jun
20 Jul
4 wk after
19 Jun
10 Jul
6 wk after
Annual phlox
Phlox drummondii
1 – 15 Apr
2 Jun
6-8 wk
27 May
14 Jul
3 wk after
19 Jun
4 Jul
6 wk after
Hollyhock
Alcea rosea
14 – 28 Mar
6-8 wk
9 May
0 wk
22 May
2 wk after
Alpine delphinium
Delphinium elatum
14 Feb – 14 Mar
25 Apr
8-12 wk
9 May
20 Jun
0 wk
4 Jun
10 Jun
4 wk after
African marigold
Tagetes erecta
10 – 24 Apr
2 Jun
6-8 wk
5 Jun
14 Jul
4 wk after
Black-eyed Susan
Rudbeckia hirta
14 – 28 Mar
29 May
6-8 wk
9 May
10 Jul
0 wk
19 Jun
30 Jun
6 wk after
Wood sage
Salvia nemorosa
28 Feb – 14 Mar
15 Apr
8-10 wk
9 May
10 Jun
0 wk
4 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
10 Apr – 8 May
16 May
6-10 wk
19 Jun
27 Jun
6 wk after
California goldenpoppy
Eschscholzia californica
9 May
20 Jul
0 wk
3 May
10 Jul
1 wk before
Painted tongue
Salpiglossis sinuata
27 Mar – 10 Apr
10 May
8-10 wk
5 Jun
5 Jul
4 wk after
Water forget-me-not
Myosotis scorpioides
14 – 28 Mar
9 May
6-8 wk
9 May
20 Jun
0 wk
22 May
10 Jun
2 wk after