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-2.0°
Last 24h: Slight frost recorded tonight at 04:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 22 May Normal year · 20 years of data
Frost-free season 111 days 22 May – 10 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)
3 – 17 Apr
10 Jun
5-7 wk
22 May
15 Jul
0 wk
23 May
5 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
10 – 24 Apr
22 Jun
4-6 wk
22 May
20 Jul
0 wk
23 May
10 Jul
0 wk
Chili pepper
Capsicum annuum
Season too short
10 Mar – 7 Apr
15 Mar
8-12 wk
2 Jun
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
3 – 17 Apr
5 Jun
5-7 wk
22 May
10 Jul
0 wk
22 May
30 Jun
0 wk
Garden cucumber
Cucumis sativus
Greenhouse
5 – 12 May
6 Jun
3-4 wk
2 Jun
27 Jun
2 wk after
Florence Fennel
Foeniculum vulgare
Fleece
7 – 14 May
1 Jun
4-5 wk
11 Jun
29 Jun
3 wk after
16 Jun
19 Jun
4 wk after
Butter bean
Phaseolus lunatus
Season too short
4 – 11 Jun
3-4 wk
2 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
Fleece
27 Feb – 27 Mar
15 Mar
8-12 wk
22 May
0 wk
28 May
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
23 May
0 wk
23 May
0 wk
Maize
Zea mays
Greenhouse
28 Apr – 5 May
27 May
3-4 wk
26 May
17 Jun
1 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
30 Apr – 7 May
28 Jun
3-4 wk
28 May
19 Jul
1 wk after
4 Jun
9 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
22 May
30 Jun
0 wk
22 May
20 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
3 – 17 Apr
5 Jun
5-7 wk
22 May
10 Jul
0 wk
22 May
30 Jun
0 wk
Potato
Solanum tuberosum
Fleece
11 – 25 Apr
14 May
4-6 wk
23 May
11 Jun
0 wk
23 May
1 Jun
0 wk
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
3 – 17 Apr
15 Jun
5-7 wk
22 May
20 Jul
0 wk
23 May
10 Jul
0 wk
Pumpkin
Cucurbita pepo
Fleece
14 – 21 May
11 Jun
3-4 wk
11 Jun
2 Jul
3 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
30 Apr – 7 May
7 May
3-4 wk
28 May
28 May
1 wk after
4 Jun
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
10 – 24 Apr
17 Jun
4-6 wk
22 May
15 Jul
0 wk
Lettuce
Lactuca sativa
24 Apr – 1 May
4 Jul
3-4 wk
22 May
25 Jul
0 wk
23 May
15 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
10 – 24 Apr
17 Jun
4-6 wk
22 May
15 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
24 Apr – 8 May
12 May
2-4 wk
22 May
26 May
0 wk
22 May
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
23 May
0 wk
23 May
0 wk
Spinach
Spinacia oleracea
24 Apr – 1 May
19 Jul
3-4 wk
22 May
9 Aug
0 wk
19 May
30 Jul
0 wk
Sweet potato
Ipomoea batatas
16 – 30 Jun
4-6 wk
28 Jul
10 wk after
Garden tomato
Solanum lycopersicum
Greenhouse
31 Mar – 14 Apr
6 May
6-8 wk
26 May
17 Jun
1 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Fleece
5 – 19 May
13 Jun
2-4 wk
2 Jun
27 Jun
2 wk after
16 Jun
17 Jun
4 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
10 – 24 Apr
17 Jun
4-6 wk
22 May
15 Jul
0 wk
Garden pea
Pisum sativum
24 Apr – 1 May
19 Jun
3-4 wk
22 May
10 Jul
0 wk
23 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
30 Apr – 14 May
20 May
4-6 wk
11 Jun
17 Jun
3 wk after
Lemon balm
Melissa officinalis
13 – 27 Mar
15 May
8-10 wk
22 May
10 Jul
0 wk
16 Jun
30 Jun
4 wk after
Dill
Anethum graveolens
23 May
19 Jul
0 wk
Wild chives
Allium schoenoprasum
27 Mar – 10 Apr
29 May
6-8 wk
22 May
10 Jul
0 wk
23 May
30 Jun
0 wk
Spearmint
Mentha spicata
27 Feb – 27 Mar
15 May
8-12 wk
22 May
10 Jul
0 wk
16 Jun
30 Jun
4 wk after
Coriander
Coriandrum sativum
22 May
8 Aug
0 wk
4 Jun
29 Jul
2 wk after
Garden sage
Salvia officinalis
19 Mar – 2 Apr
30 Apr
8-10 wk
28 May
25 Jun
1 wk after
Common thyme
Thymus vulgaris
13 – 27 Mar
5 May
8-10 wk
22 May
30 Jun
0 wk
Oregano
Origanum vulgare
27 Mar – 10 Apr
19 May
6-8 wk
22 May
30 Jun
0 wk
16 Jun
20 Jun
4 wk after
Parsley
Petroselinum crispum
27 Mar – 10 Apr
19 May
6-8 wk
22 May
30 Jun
0 wk
23 May
20 Jun
0 wk
Rosemary
Salvia rosmarinus
19 Feb – 19 Mar
27 Mar
10-14 wk
28 May
5 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
14 – 21 May
27 May
3-4 wk
11 Jun
17 Jun
3 wk after
Cornflower
Centaurea cyanus
22 May
10 Jul
0 wk
23 May
30 Jun
0 wk
Statice
Limonium sinuatum
Fleece
24 Mar – 7 Apr
23 Apr
8-10 wk
2 Jun
18 Jun
2 wk after
Sweet William
Dianthus barbatus
27 Mar – 10 Apr
6-8 wk
22 May
0 wk
1 Jun
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Fleece
7 – 21 Apr
7 May
6-8 wk
2 Jun
18 Jun
2 wk after
11 Jul
7 wk after
Pinnate dahlia
Dahlia × pinnata
11 – 25 Apr
4 May
6-8 wk
6 Jun
15 Jun
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
Fleece
9 Apr – 7 May
29 May
4-8 wk
4 Jun
26 Jun
2 wk after
4 Jun
16 Jun
2 wk after
Foxglove
Digitalis purpurea
13 – 27 Mar
8-10 wk
22 May
0 wk
4 Jun
2 wk after
Busy lizzie
Impatiens walleriana
2 – 30 Apr
7 Jun
8-12 wk
25 Jun
2 Aug
5 wk after
Creeping zinnia
Sanvitalia procumbens
16 – 30 Apr
8 May
6-8 wk
11 Jun
19 Jun
3 wk after
Hyacinth bean
Dolichos lablab
Season too short
30 Apr – 14 May
4-6 wk
11 Jun
3 wk after
Chinese lantern
Physalis alkekengi
19 Mar – 2 Apr
14 Apr
8-10 wk
28 May
9 Jun
1 wk after
Love in a mist
Nigella damascena
22 May
25 Jun
0 wk
23 May
15 Jun
0 wk
Strawflower
Xerochrysum bracteatum
Fleece
7 – 21 Apr
27 Apr
6-8 wk
2 Jun
8 Jun
2 wk after
11 Jul
7 wk after
Purple-top vervain
Verbena bonariensis
5 Mar – 2 Apr
14 Apr
8-12 wk
28 May
9 Jun
1 wk after
Cardoon
Cynara cardunculus
Greenhouse
3 – 31 Mar
16 Mar
8-12 wk
26 May
1 wk after
Regal-foxtail
Ptilotus nobilis
Greenhouse
10 Mar – 7 Apr
20 Apr
8-12 wk
2 Jun
15 Jun
2 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
7 – 21 Apr
4 May
6-8 wk
2 Jun
15 Jun
2 wk after
Corn poppy
Papaver rhoeas
22 May
10 Jul
0 wk
23 May
30 Jun
0 wk
Snapdragon
Antirrhinum majus
27 Feb – 27 Mar
5 May
8-12 wk
22 May
30 Jun
0 wk
1 Jun
20 Jun
1 wk after
Flossflower
Ageratum houstonianum
Fleece
2 – 16 Apr
3 May
8-10 wk
11 Jun
28 Jun
3 wk after
Sweet pea
Lathyrus odoratus
27 Mar – 17 Apr
26 May
5-8 wk
22 May
30 Jun
0 wk
Stock
Matthiola incana
27 Mar – 10 Apr
29 May
6-8 wk
22 May
10 Jul
0 wk
4 Jun
30 Jun
2 wk after
Wormwood
Artemisia absinthium
27 Mar – 10 Apr
29 Apr
6-8 wk
22 May
10 Jun
0 wk
4 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
21 Apr – 5 May
13 May
4-6 wk
2 Jun
10 Jun
2 wk after
Garden pansy
Viola × wittrockiana
13 – 27 Mar
15 May
8-10 wk
22 May
10 Jul
0 wk
1 Jun
30 Jun
1 wk after
Petunia
Petunia
Fleece
10 Mar – 7 Apr
23 Apr
8-12 wk
2 Jun
18 Jun
2 wk after
Sweet Scabious
Scabiosa atropurpurea
2 – 16 Apr
28 Apr
6-8 wk
28 May
9 Jun
1 wk after
4 Jul
6 wk after
Common zinnia
Zinnia elegans
30 Apr – 14 May
20 May
4-6 wk
11 Jun
17 Jun
3 wk after
Common morning glory
Ipomoea purpurea
Fleece
7 – 21 May
27 May
3-5 wk
11 Jun
17 Jun
3 wk after
Garden cosmos
Cosmos bipinnatus
30 Apr – 14 May
18 May
4-6 wk
11 Jun
15 Jun
3 wk after
4 Jul
6 wk after
Scarlet milkweed
Asclepias curassavica
Fleece
2 – 30 Apr
12 May
8-12 wk
25 Jun
7 Jul
5 wk after
Bee balm
Monarda didyma
27 Feb – 27 Mar
15 Apr
8-12 wk
22 May
10 Jun
0 wk
16 Jun
4 wk after
Yarrow
Achillea millefolium
27 Mar – 10 Apr
30 Mar
6-8 wk
22 May
0 wk
4 Jun
2 wk after
Safflower
Carthamus tinctorius
22 May
10 Jun
0 wk
23 May
31 May
0 wk
Iceland poppy
Papaver nudicaule
Season too short
27 Mar – 10 Apr
19 May
6-8 wk
22 May
30 Jun
0 wk
6 May
20 Jun
2 wk before
Bishop's flower
Ammi majus
10 – 24 Apr
2 Jun
4-6 wk
22 May
30 Jun
0 wk
4 Jun
20 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
10 – 24 Mar
28 Mar
10-12 wk
2 Jun
6 Jun
2 wk after
Sunflower
Helianthus annuus
14 – 21 May
4 Jun
3-4 wk
11 Jun
25 Jun
3 wk after
16 Jun
4 wk after
China aster
Callistephus chinensis
16 – 30 Apr
24 May
6-8 wk
11 Jun
5 Jul
3 wk after
4 Jul
6 wk after
Annual phlox
Phlox drummondii
7 – 21 Apr
8 May
6-8 wk
2 Jun
19 Jun
2 wk after
4 Jul
6 wk after
Hollyhock
Alcea rosea
27 Mar – 10 Apr
6-8 wk
22 May
0 wk
4 Jun
2 wk after
Alpine delphinium
Delphinium elatum
27 Feb – 27 Mar
15 Apr
8-12 wk
22 May
10 Jun
0 wk
16 Jun
4 wk after
African marigold
Tagetes erecta
16 – 30 Apr
8 May
6-8 wk
11 Jun
19 Jun
3 wk after
Black-eyed Susan
Rudbeckia hirta
2 – 16 Apr
14 May
6-8 wk
28 May
25 Jun
1 wk after
4 Jul
6 wk after
Wood sage
Salvia nemorosa
13 – 27 Mar
5 Apr
8-10 wk
22 May
31 May
0 wk
16 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
2 – 30 Apr
6 May
6-10 wk
11 Jun
17 Jun
3 wk after
California goldenpoppy
Eschscholzia californica
22 May
10 Jul
0 wk
23 May
30 Jun
0 wk
Painted tongue
Salpiglossis sinuata
2 – 16 Apr
23 Apr
8-10 wk
11 Jun
18 Jun
3 wk after
Water forget-me-not
Myosotis scorpioides
27 Mar – 10 Apr
29 Apr
6-8 wk
22 May
10 Jun
0 wk
4 Jun
2 wk after