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-2.5°
Last 24h: Slight frost recorded tonight at 05:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 27 May Frost 1 of 10 years · 20 years of data
Frost-free season 137 days 27 May – 11 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)
8 – 22 Apr
19 Jun
5-7 wk
27 May
24 Jul
0 wk
21 May
14 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
15 – 29 Apr
1 Jul
4-6 wk
27 May
29 Jul
0 wk
21 May
19 Jul
1 wk before
Chili pepper
Capsicum annuum
Season too short
22 Mar – 19 Apr
8-12 wk
14 Jun
3 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
8 – 22 Apr
14 Jun
5-7 wk
27 May
19 Jul
0 wk
14 May
9 Jul
2 wk before
Garden cucumber
Cucumis sativus
Greenhouse
17 – 24 May
21 May
3-4 wk
14 Jun
3 wk after
Florence Fennel
Foeniculum vulgare
2 – 9 Jun
11 Jun
4-5 wk
7 Jul
9 Jul
6 wk after
7 Jul
6 wk after
Butter bean
Phaseolus lunatus
Season too short
19 – 26 Jun
3-4 wk
17 Jul
7 wk after
Onion
Allium cepa (Cepa-gruppen)
4 Mar – 1 Apr
4 Apr
8-12 wk
27 May
30 May
0 wk
9 Jun
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
21 May
19 Jun
1 wk before
21 May
9 Jun
1 wk before
Maize
Zea mays
Greenhouse
29 Apr – 6 May
11 May
3-4 wk
27 May
1 Jun
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
29 Apr – 6 May
8 Jul
3-4 wk
27 May
29 Jul
0 wk
9 Jun
19 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
27 May
9 Jul
0 wk
14 May
29 Jun
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
8 – 22 Apr
14 Jun
5-7 wk
27 May
19 Jul
0 wk
14 May
9 Jul
2 wk before
Potato
Solanum tuberosum
20 Apr – 4 May
11 Jun
4-6 wk
1 Jun
9 Jul
1 wk after
1 Jun
29 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
8 – 22 Apr
24 Jun
5-7 wk
27 May
29 Jul
0 wk
21 May
19 Jul
1 wk before
Pumpkin
Cucurbita pepo
Fleece
26 May – 2 Jun
26 May
3-4 wk
23 Jun
4 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
29 Apr – 6 May
30 Jun
3-4 wk
27 May
21 Jul
0 wk
9 Jun
11 Jul
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
15 – 29 Apr
26 Jun
4-6 wk
27 May
24 Jul
0 wk
Lettuce
Lactuca sativa
29 Apr – 6 May
13 Jul
3-4 wk
27 May
3 Aug
0 wk
21 May
24 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
15 – 29 Apr
26 Jun
4-6 wk
27 May
24 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
16 – 30 Apr
5 Jun
2-4 wk
14 May
19 Jun
2 wk before
14 May
9 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
21 May
19 Jun
1 wk before
21 May
9 Jun
1 wk before
Spinach
Spinacia oleracea
29 Apr – 6 May
28 Jul
3-4 wk
27 May
18 Aug
0 wk
7 May
8 Aug
3 wk before
Sweet potato
Ipomoea batatas
28 Jun – 12 Jul
4-6 wk
9 Aug
11 wk after
Garden tomato
Solanum lycopersicum
Greenhouse
1 – 15 Apr
20 Apr
6-8 wk
27 May
1 Jun
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Fleece
17 – 31 May
28 May
2-4 wk
14 Jun
3 wk after
22 Jun
4 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
15 – 29 Apr
26 Jun
4-6 wk
27 May
24 Jul
0 wk
Garden pea
Pisum sativum
29 Apr – 6 May
28 Jun
3-4 wk
27 May
19 Jul
0 wk
21 May
9 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
12 – 26 May
4-6 wk
23 Jun
4 wk after
Lemon balm
Melissa officinalis
18 Mar – 1 Apr
24 May
8-10 wk
27 May
19 Jul
0 wk
22 Jun
9 Jul
4 wk after
Dill
Anethum graveolens
21 May
29 Jul
1 wk before
Wild chives
Allium schoenoprasum
1 – 15 Apr
7 Jun
6-8 wk
27 May
19 Jul
0 wk
21 May
9 Jul
1 wk before
Spearmint
Mentha spicata
4 Mar – 1 Apr
24 May
8-12 wk
27 May
19 Jul
0 wk
22 Jun
9 Jul
4 wk after
Coriander
Coriandrum sativum
27 May
18 Aug
0 wk
9 Jun
8 Aug
2 wk after
Garden sage
Salvia officinalis
18 Mar – 1 Apr
9 May
8-10 wk
27 May
4 Jul
0 wk
Common thyme
Thymus vulgaris
18 Mar – 1 Apr
14 May
8-10 wk
27 May
9 Jul
0 wk
Oregano
Origanum vulgare
1 – 15 Apr
28 May
6-8 wk
27 May
9 Jul
0 wk
22 Jun
29 Jun
4 wk after
Parsley
Petroselinum crispum
1 – 15 Apr
28 May
6-8 wk
27 May
9 Jul
0 wk
21 May
29 Jun
1 wk before
Rosemary
Salvia rosmarinus
18 Feb – 18 Mar
10 Apr
10-14 wk
27 May
19 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
26 May – 2 Jun
3-4 wk
23 Jun
4 wk after
Cornflower
Centaurea cyanus
27 May
19 Jul
0 wk
21 May
9 Jul
1 wk before
Statice
Limonium sinuatum
14 – 28 Apr
8-10 wk
23 Jun
4 wk after
Sweet William
Dianthus barbatus
1 – 15 Apr
6-8 wk
27 May
0 wk
1 Jun
1 wk after
Snow-on-the-mountain
Euphorbia marginata
28 Apr – 12 May
6-8 wk
23 Jun
4 wk after
9 Aug
11 wk after
Pinnate dahlia
Dahlia × pinnata
23 Apr – 7 May
24 Apr
6-8 wk
18 Jun
3 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
27 Apr – 25 May
8 May
4-8 wk
22 Jun
4 wk after
22 Jun
4 wk after
Foxglove
Digitalis purpurea
18 Mar – 1 Apr
8-10 wk
27 May
0 wk
9 Jun
2 wk after
Busy lizzie
Impatiens walleriana
14 Apr – 12 May
22 May
8-12 wk
7 Jul
17 Jul
6 wk after
Creeping zinnia
Sanvitalia procumbens
28 Apr – 12 May
1 May
6-8 wk
23 Jun
4 wk after
Hyacinth bean
Dolichos lablab
Season too short
12 – 26 May
4-6 wk
23 Jun
4 wk after
Chinese lantern
Physalis alkekengi
18 Mar – 1 Apr
24 Apr
8-10 wk
27 May
19 Jun
0 wk
Love in a mist
Nigella damascena
27 May
4 Jul
0 wk
21 May
24 Jun
1 wk before
Strawflower
Xerochrysum bracteatum
28 Apr – 12 May
6-8 wk
23 Jun
4 wk after
9 Aug
11 wk after
Purple-top vervain
Verbena bonariensis
4 Mar – 1 Apr
24 Apr
8-12 wk
27 May
19 Jun
0 wk
Cardoon
Cynara cardunculus
31 Mar – 28 Apr
8-12 wk
23 Jun
4 wk after
Regal-foxtail
Ptilotus nobilis
Fleece
31 Mar – 28 Apr
8-12 wk
23 Jun
4 wk after
Globe amaranth
Gomphrena globosa
Fleece
28 Apr – 12 May
6-8 wk
23 Jun
4 wk after
Corn poppy
Papaver rhoeas
27 May
19 Jul
0 wk
21 May
9 Jul
1 wk before
Snapdragon
Antirrhinum majus
4 Mar – 1 Apr
14 May
8-12 wk
27 May
9 Jul
0 wk
1 Jun
29 Jun
1 wk after
Flossflower
Ageratum houstonianum
28 Apr – 12 May
8-10 wk
7 Jul
6 wk after
Sweet pea
Lathyrus odoratus
1 – 22 Apr
4 Jun
5-8 wk
27 May
9 Jul
0 wk
Stock
Matthiola incana
1 – 15 Apr
7 Jun
6-8 wk
27 May
19 Jul
0 wk
9 Jun
9 Jul
2 wk after
Wormwood
Artemisia absinthium
1 – 15 Apr
8 May
6-8 wk
27 May
19 Jun
0 wk
9 Jun
9 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
3 – 17 May
3 May
4-6 wk
14 Jun
3 wk after
Garden pansy
Viola × wittrockiana
18 Mar – 1 Apr
24 May
8-10 wk
27 May
19 Jul
0 wk
1 Jun
9 Jul
1 wk after
Petunia
Petunia
31 Mar – 28 Apr
7 Apr
8-12 wk
23 Jun
4 wk after
Sweet Scabious
Scabiosa atropurpurea
1 – 15 Apr
8 May
6-8 wk
27 May
19 Jun
0 wk
7 Jul
6 wk after
Common zinnia
Zinnia elegans
12 – 26 May
4-6 wk
23 Jun
4 wk after
Common morning glory
Ipomoea purpurea
Fleece
19 May – 2 Jun
3-5 wk
23 Jun
4 wk after
Garden cosmos
Cosmos bipinnatus
12 – 26 May
4-6 wk
23 Jun
4 wk after
7 Jul
6 wk after
Scarlet milkweed
Asclepias curassavica
Fleece
14 Apr – 12 May
26 Apr
8-12 wk
7 Jul
6 wk after
Bee balm
Monarda didyma
4 Mar – 1 Apr
24 Apr
8-12 wk
27 May
19 Jun
0 wk
22 Jun
4 wk after
Yarrow
Achillea millefolium
1 – 15 Apr
8 Apr
6-8 wk
27 May
0 wk
9 Jun
2 wk after
Safflower
Carthamus tinctorius
27 May
19 Jun
0 wk
21 May
9 Jun
1 wk before
Iceland poppy
Papaver nudicaule
Season too short
1 – 15 Apr
28 May
6-8 wk
27 May
9 Jul
0 wk
11 Apr
29 Jun
7 wk before
Bishop's flower
Ammi majus
15 – 29 Apr
11 Jun
4-6 wk
27 May
9 Jul
0 wk
9 Jun
29 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
22 Mar – 5 Apr
22 Mar
10-12 wk
14 Jun
3 wk after
Sunflower
Helianthus annuus
26 May – 2 Jun
18 Jun
3-4 wk
23 Jun
9 Jul
4 wk after
22 Jun
29 Jun
4 wk after
China aster
Callistephus chinensis
28 Apr – 12 May
7 Jun
6-8 wk
23 Jun
19 Jul
4 wk after
7 Jul
9 Jul
6 wk after
Annual phlox
Phlox drummondii
19 Apr – 3 May
1 May
6-8 wk
14 Jun
3 wk after
7 Jul
6 wk after
Hollyhock
Alcea rosea
1 – 15 Apr
6-8 wk
27 May
0 wk
9 Jun
2 wk after
Alpine delphinium
Delphinium elatum
4 Mar – 1 Apr
24 Apr
8-12 wk
27 May
19 Jun
0 wk
22 Jun
4 wk after
African marigold
Tagetes erecta
28 Apr – 12 May
1 May
6-8 wk
23 Jun
4 wk after
Black-eyed Susan
Rudbeckia hirta
1 – 15 Apr
28 May
6-8 wk
27 May
9 Jul
0 wk
7 Jul
6 wk after
Wood sage
Salvia nemorosa
18 Mar – 1 Apr
14 Apr
8-10 wk
27 May
9 Jun
0 wk
22 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
14 Apr – 12 May
20 Apr
6-10 wk
23 Jun
4 wk after
California goldenpoppy
Eschscholzia californica
27 May
19 Jul
0 wk
21 May
9 Jul
1 wk before
Painted tongue
Salpiglossis sinuata
14 – 28 Apr
14 May
8-10 wk
23 Jun
9 Jul
4 wk after
Water forget-me-not
Myosotis scorpioides
1 – 15 Apr
8 May
6-8 wk
27 May
19 Jun
0 wk
9 Jun
9 Jun
2 wk after