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0.7°
Near frost tomorrow at 23:00. Bring in or cover sensitive plants
Method
Rel. frost
Last spring frost (0°C) 19 May Normal year · 20 years of data
Frost-free season 126 days 19 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)
31 Mar – 14 Apr
13 Jun
5-7 wk
19 May
18 Jul
0 wk
20 May
8 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
7 – 21 Apr
25 Jun
4-6 wk
19 May
23 Jul
0 wk
20 May
13 Jul
0 wk
Chili pepper
Capsicum annuum
Greenhouse
7 Mar – 4 Apr
31 Mar
8-12 wk
30 May
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
31 Mar – 14 Apr
8 Jun
5-7 wk
19 May
13 Jul
0 wk
19 May
3 Jul
0 wk
Garden cucumber
Cucumis sativus
Fleece
11 – 18 May
25 May
3-4 wk
8 Jun
15 Jun
3 wk after
Florence Fennel
Foeniculum vulgare
Fleece
4 – 11 May
5 Jun
4-5 wk
8 Jun
3 Jul
3 wk after
13 Jun
23 Jun
4 wk after
Butter bean
Phaseolus lunatus
Season too short
1 – 8 Jun
3-4 wk
29 Jun
6 wk after
Onion
Allium cepa (Cepa-gruppen)
24 Feb – 24 Mar
19 Mar
8-12 wk
19 May
0 wk
1 Jun
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
20 May
3 Jun
0 wk
20 May
24 May
0 wk
Maize
Zea mays
Fleece
2 – 9 May
15 May
3-4 wk
30 May
5 Jun
2 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
27 Apr – 4 May
2 Jul
3-4 wk
25 May
23 Jul
1 wk after
1 Jun
13 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
19 May
3 Jul
0 wk
19 May
23 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
31 Mar – 14 Apr
8 Jun
5-7 wk
19 May
13 Jul
0 wk
19 May
3 Jul
0 wk
Potato
Solanum tuberosum
17 Apr – 1 May
19 May
4-6 wk
29 May
16 Jun
1 wk after
29 May
6 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
31 Mar – 14 Apr
18 Jun
5-7 wk
19 May
23 Jul
0 wk
20 May
13 Jul
0 wk
Pumpkin
Cucurbita pepo
Fleece
11 – 18 May
17 Jun
3-4 wk
8 Jun
8 Jul
3 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
27 Apr – 4 May
21 May
3-4 wk
25 May
11 Jun
1 wk after
1 Jun
1 Jun
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
7 – 21 Apr
20 Jun
4-6 wk
19 May
18 Jul
0 wk
Lettuce
Lactuca sativa
21 – 28 Apr
7 Jul
3-4 wk
19 May
28 Jul
0 wk
20 May
18 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
7 – 21 Apr
20 Jun
4-6 wk
19 May
18 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
21 Apr – 5 May
24 May
2-4 wk
19 May
7 Jun
0 wk
19 May
28 May
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
20 May
3 Jun
0 wk
20 May
24 May
0 wk
Spinach
Spinacia oleracea
21 – 28 Apr
22 Jul
3-4 wk
19 May
12 Aug
0 wk
16 May
2 Aug
0 wk
Sweet potato
Ipomoea batatas
13 – 27 Jun
4-6 wk
25 Jul
10 wk after
Garden tomato
Solanum lycopersicum
Fleece
4 – 18 Apr
24 Apr
6-8 wk
30 May
5 Jun
2 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
11 – 25 May
1 Jun
2-4 wk
8 Jun
15 Jun
3 wk after
1 Jul
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
7 – 21 Apr
20 Jun
4-6 wk
19 May
18 Jul
0 wk
Garden pea
Pisum sativum
21 – 28 Apr
22 Jun
3-4 wk
19 May
13 Jul
0 wk
20 May
3 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
Fleece
27 Apr – 11 May
26 May
4-6 wk
8 Jun
23 Jun
3 wk after
Lemon balm
Melissa officinalis
10 – 24 Mar
18 May
8-10 wk
19 May
13 Jul
0 wk
13 Jun
3 Jul
4 wk after
Dill
Anethum graveolens
20 May
23 Jul
0 wk
Wild chives
Allium schoenoprasum
24 Mar – 7 Apr
1 Jun
6-8 wk
19 May
13 Jul
0 wk
20 May
3 Jul
0 wk
Spearmint
Mentha spicata
24 Feb – 24 Mar
18 May
8-12 wk
19 May
13 Jul
0 wk
13 Jun
3 Jul
4 wk after
Coriander
Coriandrum sativum
19 May
12 Aug
0 wk
1 Jun
2 Aug
2 wk after
Garden sage
Salvia officinalis
16 – 30 Mar
3 May
8-10 wk
25 May
28 Jun
1 wk after
Common thyme
Thymus vulgaris
10 – 24 Mar
8 May
8-10 wk
19 May
3 Jul
0 wk
Oregano
Origanum vulgare
24 Mar – 7 Apr
22 May
6-8 wk
19 May
3 Jul
0 wk
13 Jun
23 Jun
4 wk after
Parsley
Petroselinum crispum
24 Mar – 7 Apr
22 May
6-8 wk
19 May
3 Jul
0 wk
20 May
23 Jun
0 wk
Rosemary
Salvia rosmarinus
16 Feb – 16 Mar
31 Mar
10-14 wk
25 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
11 – 18 May
2 Jun
3-4 wk
8 Jun
23 Jun
3 wk after
Cornflower
Centaurea cyanus
19 May
13 Jul
0 wk
20 May
3 Jul
0 wk
Statice
Limonium sinuatum
30 Mar – 13 Apr
22 Apr
8-10 wk
8 Jun
17 Jun
3 wk after
Sweet William
Dianthus barbatus
24 Mar – 7 Apr
6-8 wk
19 May
0 wk
29 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
13 – 27 Apr
6 May
6-8 wk
8 Jun
17 Jun
3 wk after
25 Jul
10 wk after
Pinnate dahlia
Dahlia × pinnata
8 – 22 Apr
13 May
6-8 wk
3 Jun
24 Jun
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
18 Apr – 16 May
27 May
4-8 wk
13 Jun
24 Jun
4 wk after
13 Jun
14 Jun
4 wk after
Foxglove
Digitalis purpurea
10 – 24 Mar
8-10 wk
19 May
0 wk
1 Jun
2 wk after
Busy lizzie
Impatiens walleriana
30 Mar – 27 Apr
13 Jun
8-12 wk
22 Jun
8 Aug
5 wk after
Creeping zinnia
Sanvitalia procumbens
13 – 27 Apr
16 May
6-8 wk
8 Jun
27 Jun
3 wk after
Hyacinth bean
Dolichos lablab
Season too short
27 Apr – 11 May
4-6 wk
8 Jun
3 wk after
Chinese lantern
Physalis alkekengi
16 – 30 Mar
18 Apr
8-10 wk
25 May
13 Jun
1 wk after
Love in a mist
Nigella damascena
19 May
28 Jun
0 wk
20 May
18 Jun
0 wk
Strawflower
Xerochrysum bracteatum
13 – 27 Apr
26 Apr
6-8 wk
8 Jun
3 wk after
25 Jul
10 wk after
Purple-top vervain
Verbena bonariensis
2 – 30 Mar
18 Apr
8-12 wk
25 May
13 Jun
1 wk after
Cardoon
Cynara cardunculus
Fleece
7 Mar – 4 Apr
19 Mar
8-12 wk
30 May
2 wk after
Regal-foxtail
Ptilotus nobilis
Fleece
16 Mar – 13 Apr
18 Apr
8-12 wk
8 Jun
13 Jun
3 wk after
Globe amaranth
Gomphrena globosa
Fleece
13 – 27 Apr
2 May
6-8 wk
8 Jun
13 Jun
3 wk after
Corn poppy
Papaver rhoeas
19 May
13 Jul
0 wk
20 May
3 Jul
0 wk
Snapdragon
Antirrhinum majus
24 Feb – 24 Mar
8 May
8-12 wk
19 May
3 Jul
0 wk
29 May
23 Jun
1 wk after
Flossflower
Ageratum houstonianum
Fleece
30 Mar – 13 Apr
14 May
8-10 wk
8 Jun
9 Jul
3 wk after
Sweet pea
Lathyrus odoratus
24 Mar – 14 Apr
29 May
5-8 wk
19 May
3 Jul
0 wk
Stock
Matthiola incana
24 Mar – 7 Apr
1 Jun
6-8 wk
19 May
13 Jul
0 wk
1 Jun
3 Jul
2 wk after
Wormwood
Artemisia absinthium
24 Mar – 7 Apr
2 May
6-8 wk
19 May
13 Jun
0 wk
1 Jun
3 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Fleece
27 Apr – 11 May
11 May
4-6 wk
8 Jun
8 Jun
3 wk after
Garden pansy
Viola × wittrockiana
10 – 24 Mar
18 May
8-10 wk
19 May
13 Jul
0 wk
29 May
3 Jul
1 wk after
Petunia
Petunia
16 Mar – 13 Apr
22 Apr
8-12 wk
8 Jun
17 Jun
3 wk after
Sweet Scabious
Scabiosa atropurpurea
30 Mar – 13 Apr
2 May
6-8 wk
25 May
13 Jun
1 wk after
1 Jul
6 wk after
Common zinnia
Zinnia elegans
27 Apr – 11 May
26 May
4-6 wk
8 Jun
23 Jun
3 wk after
Common morning glory
Ipomoea purpurea
Fleece
4 – 18 May
2 Jun
3-5 wk
8 Jun
23 Jun
3 wk after
Garden cosmos
Cosmos bipinnatus
27 Apr – 11 May
27 May
4-6 wk
8 Jun
24 Jun
3 wk after
1 Jul
6 wk after
Scarlet milkweed
Asclepias curassavica
Fleece
30 Mar – 27 Apr
18 May
8-12 wk
22 Jun
13 Jul
5 wk after
Bee balm
Monarda didyma
24 Feb – 24 Mar
18 Apr
8-12 wk
19 May
13 Jun
0 wk
13 Jun
4 wk after
Yarrow
Achillea millefolium
24 Mar – 7 Apr
2 Apr
6-8 wk
19 May
0 wk
1 Jun
2 wk after
Safflower
Carthamus tinctorius
19 May
13 Jun
0 wk
20 May
3 Jun
0 wk
Iceland poppy
Papaver nudicaule
Season too short
24 Mar – 7 Apr
22 May
6-8 wk
19 May
3 Jul
0 wk
3 May
23 Jun
2 wk before
Bishop's flower
Ammi majus
7 – 21 Apr
5 Jun
4-6 wk
19 May
3 Jul
0 wk
1 Jun
23 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Fleece
16 – 30 Mar
26 Mar
10-12 wk
8 Jun
3 wk after
Sunflower
Helianthus annuus
11 – 18 May
8 Jun
3-4 wk
8 Jun
29 Jun
3 wk after
13 Jun
19 Jun
4 wk after
China aster
Callistephus chinensis
13 – 27 Apr
28 May
6-8 wk
8 Jun
9 Jul
3 wk after
1 Jul
6 wk after
Annual phlox
Phlox drummondii
4 – 18 Apr
16 May
6-8 wk
30 May
27 Jun
2 wk after
1 Jul
6 wk after
Hollyhock
Alcea rosea
24 Mar – 7 Apr
6-8 wk
19 May
0 wk
1 Jun
2 wk after
Alpine delphinium
Delphinium elatum
24 Feb – 24 Mar
18 Apr
8-12 wk
19 May
13 Jun
0 wk
13 Jun
4 wk after
African marigold
Tagetes erecta
13 – 27 Apr
16 May
6-8 wk
8 Jun
27 Jun
3 wk after
Black-eyed Susan
Rudbeckia hirta
30 Mar – 13 Apr
18 May
6-8 wk
25 May
29 Jun
1 wk after
1 Jul
6 wk after
Wood sage
Salvia nemorosa
10 – 24 Mar
8 Apr
8-10 wk
19 May
3 Jun
0 wk
13 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
30 Mar – 27 Apr
12 May
6-10 wk
8 Jun
23 Jun
3 wk after
California goldenpoppy
Eschscholzia californica
19 May
13 Jul
0 wk
20 May
3 Jul
0 wk
Painted tongue
Salpiglossis sinuata
30 Mar – 13 Apr
29 Apr
8-10 wk
8 Jun
24 Jun
3 wk after
Water forget-me-not
Myosotis scorpioides
24 Mar – 7 Apr
2 May
6-8 wk
19 May
13 Jun
0 wk
1 Jun
3 Jun
2 wk after