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Last 24h: Near frost recorded tonight at 01:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 23 May Frost 1 of 4 years · 20 years of data
Frost-free season 116 days 23 May – 16 Sep
Probability that frost is over

75% = Half of years are frost-free by this date. More about frost & season →

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