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-2.6°
Last 24h: Slight frost recorded tonight at 05:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 29 May Frost 1 of 10 years · 20 years of data
Frost-free season 138 days 29 May – 14 Oct
Probability that frost is over

90% = Half of years are frost-free by this date. More about frost & season →

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