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0.9°
Near frost tomorrow at 23:00. Bring in or cover sensitive plants
Method
Rel. frost
Last spring frost (0°C) 28 May Normal year · 20 years of data
Frost-free season 108 days 28 May – 13 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)
9 – 23 Apr
13 Jun
5-7 wk
28 May
18 Jul
0 wk
29 May
8 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
16 – 30 Apr
25 Jun
4-6 wk
28 May
23 Jul
0 wk
29 May
13 Jul
0 wk
Chili pepper
Capsicum annuum
Season too short
16 Mar – 13 Apr
23 Mar
8-12 wk
8 Jun
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
9 – 23 Apr
8 Jun
5-7 wk
28 May
13 Jul
0 wk
28 May
3 Jul
0 wk
Garden cucumber
Cucumis sativus
Fleece
20 – 27 May
3-4 wk
17 Jun
3 wk after
Florence Fennel
Foeniculum vulgare
Fleece
13 – 20 May
1 Jun
4-5 wk
17 Jun
29 Jun
3 wk after
22 Jun
4 wk after
Butter bean
Phaseolus lunatus
Season too short
10 – 17 Jun
3-4 wk
8 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
Fleece
5 Mar – 2 Apr
23 Mar
8-12 wk
28 May
0 wk
3 Jun
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
29 May
29 May
0 wk
29 May
0 wk
Maize
Zea mays
Greenhouse
4 – 11 May
28 May
3-4 wk
1 Jun
18 Jun
1 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
6 – 13 May
28 Jun
3-4 wk
3 Jun
19 Jul
1 wk after
10 Jun
9 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
28 May
3 Jul
0 wk
28 May
23 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
9 – 23 Apr
8 Jun
5-7 wk
28 May
13 Jul
0 wk
28 May
3 Jul
0 wk
Potato
Solanum tuberosum
26 Apr – 10 May
14 May
4-6 wk
7 Jun
11 Jun
1 wk after
7 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
9 – 23 Apr
18 Jun
5-7 wk
28 May
23 Jul
0 wk
29 May
13 Jul
0 wk
Pumpkin
Cucurbita pepo
Fleece
20 – 27 May
12 Jun
3-4 wk
17 Jun
3 Jul
3 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
6 – 13 May
16 May
3-4 wk
3 Jun
6 Jun
1 wk after
10 Jun
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
16 – 30 Apr
20 Jun
4-6 wk
28 May
18 Jul
0 wk
Lettuce
Lactuca sativa
30 Apr – 7 May
7 Jul
3-4 wk
28 May
28 Jul
0 wk
29 May
18 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
16 – 30 Apr
20 Jun
4-6 wk
28 May
18 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
30 Apr – 14 May
19 May
2-4 wk
28 May
2 Jun
0 wk
28 May
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
29 May
29 May
0 wk
29 May
0 wk
Spinach
Spinacia oleracea
30 Apr – 7 May
22 Jul
3-4 wk
28 May
12 Aug
0 wk
25 May
2 Aug
0 wk
Sweet potato
Ipomoea batatas
22 Jun – 6 Jul
4-6 wk
3 Aug
10 wk after
Garden tomato
Solanum lycopersicum
Greenhouse
6 – 20 Apr
7 May
6-8 wk
1 Jun
18 Jun
1 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
20 May – 3 Jun
24 May
2-4 wk
17 Jun
3 wk after
10 Jul
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
16 – 30 Apr
20 Jun
4-6 wk
28 May
18 Jul
0 wk
Garden pea
Pisum sativum
30 Apr – 7 May
22 Jun
3-4 wk
28 May
13 Jul
0 wk
29 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
6 – 20 May
21 May
4-6 wk
17 Jun
18 Jun
3 wk after
Lemon balm
Melissa officinalis
19 Mar – 2 Apr
18 May
8-10 wk
28 May
13 Jul
0 wk
22 Jun
3 Jul
4 wk after
Dill
Anethum graveolens
29 May
19 Jul
0 wk
Wild chives
Allium schoenoprasum
2 – 16 Apr
1 Jun
6-8 wk
28 May
13 Jul
0 wk
29 May
3 Jul
0 wk
Spearmint
Mentha spicata
5 Mar – 2 Apr
18 May
8-12 wk
28 May
13 Jul
0 wk
22 Jun
3 Jul
4 wk after
Coriander
Coriandrum sativum
28 May
8 Aug
0 wk
10 Jun
29 Jul
2 wk after
Garden sage
Salvia officinalis
25 Mar – 8 Apr
3 May
8-10 wk
3 Jun
28 Jun
1 wk after
Common thyme
Thymus vulgaris
19 Mar – 2 Apr
8 May
8-10 wk
28 May
3 Jul
0 wk
Oregano
Origanum vulgare
2 – 16 Apr
22 May
6-8 wk
28 May
3 Jul
0 wk
22 Jun
23 Jun
4 wk after
Parsley
Petroselinum crispum
2 – 16 Apr
22 May
6-8 wk
28 May
3 Jul
0 wk
29 May
23 Jun
0 wk
Rosemary
Salvia rosmarinus
25 Feb – 25 Mar
25 Mar
10-14 wk
3 Jun
3 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
20 – 27 May
28 May
3-4 wk
17 Jun
18 Jun
3 wk after
Cornflower
Centaurea cyanus
28 May
13 Jul
0 wk
29 May
3 Jul
0 wk
Statice
Limonium sinuatum
8 – 22 Apr
21 Apr
8-10 wk
17 Jun
3 wk after
Sweet William
Dianthus barbatus
2 – 16 Apr
6-8 wk
28 May
0 wk
7 Jun
1 wk after
Snow-on-the-mountain
Euphorbia marginata
22 Apr – 6 May
5 May
6-8 wk
17 Jun
3 wk after
3 Aug
10 wk after
Pinnate dahlia
Dahlia × pinnata
17 Apr – 1 May
7 May
6-8 wk
12 Jun
18 Jun
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
Fleece
15 Apr – 13 May
1 Jun
4-8 wk
10 Jun
29 Jun
2 wk after
10 Jun
19 Jun
2 wk after
Foxglove
Digitalis purpurea
19 Mar – 2 Apr
8-10 wk
28 May
0 wk
10 Jun
2 wk after
Busy lizzie
Impatiens walleriana
8 Apr – 6 May
8 Jun
8-12 wk
1 Jul
3 Aug
5 wk after
Creeping zinnia
Sanvitalia procumbens
22 Apr – 6 May
15 May
6-8 wk
17 Jun
26 Jun
3 wk after
Hyacinth bean
Dolichos lablab
Season too short
6 – 20 May
4-6 wk
17 Jun
3 wk after
Chinese lantern
Physalis alkekengi
25 Mar – 8 Apr
14 Apr
8-10 wk
3 Jun
9 Jun
1 wk after
Love in a mist
Nigella damascena
28 May
28 Jun
0 wk
29 May
18 Jun
0 wk
Strawflower
Xerochrysum bracteatum
22 Apr – 6 May
25 Apr
6-8 wk
17 Jun
3 wk after
3 Aug
10 wk after
Purple-top vervain
Verbena bonariensis
11 Mar – 8 Apr
14 Apr
8-12 wk
3 Jun
9 Jun
1 wk after
Cardoon
Cynara cardunculus
Greenhouse
9 Mar – 6 Apr
19 Mar
8-12 wk
1 Jun
1 wk after
Regal-foxtail
Ptilotus nobilis
Fleece
25 Mar – 22 Apr
13 Apr
8-12 wk
17 Jun
3 wk after
Globe amaranth
Gomphrena globosa
Fleece
22 Apr – 6 May
27 Apr
6-8 wk
17 Jun
3 wk after
Corn poppy
Papaver rhoeas
28 May
13 Jul
0 wk
29 May
3 Jul
0 wk
Snapdragon
Antirrhinum majus
5 Mar – 2 Apr
8 May
8-12 wk
28 May
3 Jul
0 wk
7 Jun
23 Jun
1 wk after
Flossflower
Ageratum houstonianum
Fleece
8 – 22 Apr
8 May
8-10 wk
17 Jun
3 Jul
3 wk after
Sweet pea
Lathyrus odoratus
2 – 23 Apr
29 May
5-8 wk
28 May
3 Jul
0 wk
Stock
Matthiola incana
2 – 16 Apr
1 Jun
6-8 wk
28 May
13 Jul
0 wk
10 Jun
3 Jul
2 wk after
Wormwood
Artemisia absinthium
2 – 16 Apr
2 May
6-8 wk
28 May
13 Jun
0 wk
10 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
27 Apr – 11 May
16 May
4-6 wk
8 Jun
13 Jun
2 wk after
Garden pansy
Viola × wittrockiana
19 Mar – 2 Apr
18 May
8-10 wk
28 May
13 Jul
0 wk
7 Jun
3 Jul
1 wk after
Petunia
Petunia
25 Mar – 22 Apr
21 Apr
8-12 wk
17 Jun
3 wk after
Sweet Scabious
Scabiosa atropurpurea
8 – 22 Apr
28 Apr
6-8 wk
3 Jun
9 Jun
1 wk after
10 Jul
6 wk after
Common zinnia
Zinnia elegans
6 – 20 May
21 May
4-6 wk
17 Jun
18 Jun
3 wk after
Common morning glory
Ipomoea purpurea
Fleece
13 – 27 May
28 May
3-5 wk
17 Jun
18 Jun
3 wk after
Garden cosmos
Cosmos bipinnatus
6 – 20 May
21 May
4-6 wk
17 Jun
18 Jun
3 wk after
10 Jul
6 wk after
Scarlet milkweed
Asclepias curassavica
Fleece
8 Apr – 6 May
13 May
8-12 wk
1 Jul
8 Jul
5 wk after
Bee balm
Monarda didyma
5 Mar – 2 Apr
18 Apr
8-12 wk
28 May
13 Jun
0 wk
22 Jun
4 wk after
Yarrow
Achillea millefolium
2 – 16 Apr
2 Apr
6-8 wk
28 May
0 wk
10 Jun
2 wk after
Safflower
Carthamus tinctorius
28 May
13 Jun
0 wk
29 May
3 Jun
0 wk
Iceland poppy
Papaver nudicaule
Season too short
2 – 16 Apr
22 May
6-8 wk
28 May
3 Jul
0 wk
12 May
23 Jun
2 wk before
Bishop's flower
Ammi majus
16 – 30 Apr
5 Jun
4-6 wk
28 May
3 Jul
0 wk
10 Jun
23 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
16 – 30 Mar
31 Mar
10-12 wk
8 Jun
9 Jun
2 wk after
Sunflower
Helianthus annuus
20 – 27 May
2 Jun
3-4 wk
17 Jun
23 Jun
3 wk after
22 Jun
4 wk after
China aster
Callistephus chinensis
22 Apr – 6 May
22 May
6-8 wk
17 Jun
3 Jul
3 wk after
10 Jul
6 wk after
Annual phlox
Phlox drummondii
13 – 27 Apr
15 May
6-8 wk
8 Jun
26 Jun
2 wk after
10 Jul
6 wk after
Hollyhock
Alcea rosea
2 – 16 Apr
6-8 wk
28 May
0 wk
10 Jun
2 wk after
Alpine delphinium
Delphinium elatum
5 Mar – 2 Apr
18 Apr
8-12 wk
28 May
13 Jun
0 wk
22 Jun
4 wk after
African marigold
Tagetes erecta
22 Apr – 6 May
15 May
6-8 wk
17 Jun
26 Jun
3 wk after
Black-eyed Susan
Rudbeckia hirta
8 – 22 Apr
12 May
6-8 wk
3 Jun
23 Jun
1 wk after
10 Jul
6 wk after
Wood sage
Salvia nemorosa
19 Mar – 2 Apr
8 Apr
8-10 wk
28 May
3 Jun
0 wk
22 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
8 Apr – 6 May
7 May
6-10 wk
17 Jun
18 Jun
3 wk after
California goldenpoppy
Eschscholzia californica
28 May
13 Jul
0 wk
29 May
3 Jul
0 wk
Painted tongue
Salpiglossis sinuata
8 – 22 Apr
23 Apr
8-10 wk
17 Jun
18 Jun
3 wk after
Water forget-me-not
Myosotis scorpioides
2 – 16 Apr
2 May
6-8 wk
28 May
13 Jun
0 wk
10 Jun
2 wk after