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-2.5°
Slight frost tonight at 04:00. Frost temperatures between tomorrow 00:00 – 06:00. Bring in or cover sensitive plants
-0.9°
Last 24h: Slight frost recorded tonight at 03:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 19 May Frost 9 of 10 years · 20 years of data
Frost-free season 104 days 19 May – 31 Aug
Probability that frost is over

10% = 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)
31 Mar – 14 Apr
14 Jun
5-7 wk
19 May
19 Jul
0 wk
23 May
9 Jul
1 wk after
Broccoli
Brassica oleracea (Italica-gruppen)
7 – 21 Apr
26 Jun
4-6 wk
19 May
24 Jul
0 wk
23 May
14 Jul
1 wk after
Chili pepper
Capsicum annuum
Season too short
11 Mar – 8 Apr
8-12 wk
3 Jun
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
31 Mar – 14 Apr
9 Jun
5-7 wk
19 May
14 Jul
0 wk
19 May
4 Jul
0 wk
Garden cucumber
Cucumis sativus
Season too short
6 – 13 May
3-4 wk
3 Jun
2 wk after
Florence Fennel
Foeniculum vulgare
Fleece
11 – 18 May
18 May
4-5 wk
15 Jun
15 Jun
4 wk after
23 Jun
5 wk after
Butter bean
Phaseolus lunatus
Season too short
8 – 15 Jun
3-4 wk
6 Jul
7 wk after
Onion
Allium cepa (Cepa-gruppen)
24 Feb – 24 Mar
14 Mar
8-12 wk
19 May
0 wk
9 Jun
3 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
23 May
29 May
1 wk after
23 May
1 wk after
Maize
Zea mays
Season too short
22 – 29 Apr
3-4 wk
20 May
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
29 Apr – 6 May
14 Jun
3-4 wk
27 May
5 Jul
1 wk after
9 Jun
25 Jun
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
19 May
27 Jun
0 wk
19 May
17 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
31 Mar – 14 Apr
9 Jun
5-7 wk
19 May
14 Jul
0 wk
19 May
4 Jul
0 wk
Potato
Solanum tuberosum
23 Apr – 7 May
13 May
4-6 wk
4 Jun
10 Jun
2 wk after
4 Jun
2 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
31 Mar – 14 Apr
12 Jun
5-7 wk
19 May
17 Jul
0 wk
23 May
7 Jul
1 wk after
Pumpkin
Cucurbita pepo
Season too short
6 – 13 May
3-4 wk
3 Jun
2 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
29 Apr – 6 May
17 May
3-4 wk
27 May
7 Jun
1 wk after
9 Jun
3 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
7 – 21 Apr
21 Jun
4-6 wk
19 May
19 Jul
0 wk
Lettuce
Lactuca sativa
21 – 28 Apr
1 Jul
3-4 wk
19 May
22 Jul
0 wk
23 May
12 Jul
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
7 – 21 Apr
21 Jun
4-6 wk
19 May
19 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
21 Apr – 5 May
16 May
2-4 wk
19 May
30 May
0 wk
19 May
20 May
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
23 May
29 May
1 wk after
23 May
1 wk after
Spinach
Spinacia oleracea
21 – 28 Apr
23 Jul
3-4 wk
19 May
13 Aug
0 wk
15 May
3 Aug
1 wk before
Sweet potato
Ipomoea batatas
20 Jun – 4 Jul
4-6 wk
1 Aug
11 wk after
Garden tomato
Solanum lycopersicum
Season too short
25 Mar – 8 Apr
6-8 wk
20 May
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Season too short
22 Apr – 6 May
2-4 wk
20 May
0 wk
9 Jun
3 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
7 – 21 Apr
21 Jun
4-6 wk
19 May
19 Jul
0 wk
Garden pea
Pisum sativum
21 – 28 Apr
16 Jun
3-4 wk
19 May
7 Jul
0 wk
23 May
27 Jun
1 wk after

Herbs

Plant Sow indoors Transplant Direct sow
Earliest Latest Growing time Earliest Latest Rel. frost Earliest Latest Rel. frost
Basil
Ocimum basilicum
Season too short
22 Apr – 6 May
4-6 wk
3 Jun
2 wk after
Lemon balm
Melissa officinalis
10 – 24 Mar
12 May
8-10 wk
19 May
7 Jul
0 wk
23 Jun
27 Jun
5 wk after
Dill
Anethum graveolens
23 May
5 Jul
1 wk after
Wild chives
Allium schoenoprasum
24 Mar – 7 Apr
2 Jun
6-8 wk
19 May
14 Jul
0 wk
23 May
4 Jul
1 wk after
Spearmint
Mentha spicata
24 Feb – 24 Mar
19 May
8-12 wk
19 May
14 Jul
0 wk
23 Jun
4 Jul
5 wk after
Coriander
Coriandrum sativum
19 May
25 Jul
0 wk
9 Jun
15 Jul
3 wk after
Garden sage
Salvia officinalis
18 Mar – 1 Apr
4 May
8-10 wk
27 May
29 Jun
1 wk after
Common thyme
Thymus vulgaris
10 – 24 Mar
9 May
8-10 wk
19 May
4 Jul
0 wk
Oregano
Origanum vulgare
24 Mar – 7 Apr
23 May
6-8 wk
19 May
4 Jul
0 wk
23 Jun
24 Jun
5 wk after
Parsley
Petroselinum crispum
24 Mar – 7 Apr
23 May
6-8 wk
19 May
4 Jul
0 wk
23 May
24 Jun
1 wk after
Rosemary
Salvia rosmarinus
18 Feb – 18 Mar
16 Mar
10-14 wk
27 May
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
Season too short
6 – 13 May
3-4 wk
3 Jun
2 wk after
Cornflower
Centaurea cyanus
19 May
14 Jul
0 wk
23 May
4 Jul
1 wk after
Statice
Limonium sinuatum
Greenhouse
11 – 25 Mar
16 Mar
8-10 wk
20 May
0 wk
Sweet William
Dianthus barbatus
24 Mar – 7 Apr
6-8 wk
19 May
0 wk
4 Jun
2 wk after
Snow-on-the-mountain
Euphorbia marginata
Greenhouse
25 Mar – 8 Apr
30 Mar
6-8 wk
20 May
0 wk
29 Jun
6 wk after
Pinnate dahlia
Dahlia × pinnata
Greenhouse
24 Mar – 7 Apr
13 Apr
6-8 wk
19 May
25 May
0 wk
Pinnate dahlia (tubers)
Dahlia × pinnata
Greenhouse
3 Apr – 1 May
27 Apr
4-8 wk
29 May
1 wk after
29 May
1 wk after
Foxglove
Digitalis purpurea
10 – 24 Mar
8-10 wk
19 May
0 wk
9 Jun
3 wk after
Busy lizzie
Impatiens walleriana
Greenhouse
11 Mar – 8 Apr
13 Apr
8-12 wk
3 Jun
8 Jun
2 wk after
Creeping zinnia
Sanvitalia procumbens
Greenhouse
25 Mar – 8 Apr
9 Apr
6-8 wk
20 May
21 May
0 wk
Hyacinth bean
Dolichos lablab
Season too short
4 – 18 May
4-6 wk
15 Jun
4 wk after
Chinese lantern
Physalis alkekengi
18 Mar – 1 Apr
31 Mar
8-10 wk
27 May
1 wk after
Love in a mist
Nigella damascena
19 May
22 Jun
0 wk
23 May
12 Jun
1 wk after
Strawflower
Xerochrysum bracteatum
Season too short
25 Mar – 8 Apr
6-8 wk
20 May
0 wk
29 Jun
6 wk after
Purple-top vervain
Verbena bonariensis
4 Mar – 1 Apr
31 Mar
8-12 wk
27 May
1 wk after
Cardoon
Cynara cardunculus
Greenhouse
25 Feb – 25 Mar
20 Mar
8-12 wk
20 May
0 wk
Regal-foxtail
Ptilotus nobilis
Season too short
11 Mar – 8 Apr
8-12 wk
3 Jun
2 wk after
Globe amaranth
Gomphrena globosa
Season too short
8 – 22 Apr
6-8 wk
3 Jun
2 wk after
Corn poppy
Papaver rhoeas
19 May
7 Jul
0 wk
23 May
27 Jun
1 wk after
Snapdragon
Antirrhinum majus
24 Feb – 24 Mar
2 May
8-12 wk
19 May
27 Jun
0 wk
4 Jun
17 Jun
2 wk after
Flossflower
Ageratum houstonianum
Greenhouse
25 Mar – 8 Apr
26 Mar
8-10 wk
3 Jun
2 wk after
Sweet pea
Lathyrus odoratus
24 Mar – 14 Apr
30 May
5-8 wk
19 May
4 Jul
0 wk
Stock
Matthiola incana
24 Mar – 7 Apr
26 May
6-8 wk
19 May
7 Jul
0 wk
9 Jun
27 Jun
3 wk after
Wormwood
Artemisia absinthium
24 Mar – 7 Apr
3 May
6-8 wk
19 May
14 Jun
0 wk
9 Jun
3 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
22 Apr – 6 May
4-6 wk
3 Jun
2 wk after
Garden pansy
Viola × wittrockiana
10 – 24 Mar
19 May
8-10 wk
19 May
14 Jul
0 wk
4 Jun
4 Jul
2 wk after
Petunia
Petunia
Greenhouse
25 Feb – 25 Mar
16 Mar
8-12 wk
20 May
0 wk
Sweet Scabious
Scabiosa atropurpurea
1 – 15 Apr
14 Apr
6-8 wk
27 May
1 wk after
7 Jul
7 wk after
Common zinnia
Zinnia elegans
Season too short
8 – 22 Apr
4-6 wk
20 May
0 wk
Common morning glory
Ipomoea purpurea
Season too short
29 Apr – 13 May
3-5 wk
3 Jun
2 wk after
Garden cosmos
Cosmos bipinnatus
Greenhouse
8 – 22 Apr
27 Apr
4-6 wk
20 May
25 May
0 wk
9 Jun
3 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
23 Mar – 20 Apr
8-12 wk
15 Jun
4 wk after
Bee balm
Monarda didyma
24 Feb – 24 Mar
12 Apr
8-12 wk
19 May
7 Jun
0 wk
23 Jun
5 wk after
Yarrow
Achillea millefolium
24 Mar – 7 Apr
3 Apr
6-8 wk
19 May
0 wk
9 Jun
3 wk after
Safflower
Carthamus tinctorius
19 May
14 Jun
0 wk
23 May
4 Jun
1 wk after
Iceland poppy
Papaver nudicaule
Season too short
24 Mar – 7 Apr
23 May
6-8 wk
19 May
4 Jul
0 wk
1 May
24 Jun
3 wk before
Bishop's flower
Ammi majus
7 – 21 Apr
30 May
4-6 wk
19 May
27 Jun
0 wk
9 Jun
17 Jun
3 wk after
Drumsticks
Pycnosorus globosus
Season too short
11 – 25 Mar
10-12 wk
3 Jun
2 wk after
Sunflower
Helianthus annuus
18 – 25 May
24 May
3-4 wk
15 Jun
4 wk after
23 Jun
5 wk after
China aster
Callistephus chinensis
20 Apr – 4 May
13 May
6-8 wk
15 Jun
24 Jun
4 wk after
7 Jul
7 wk after
Annual phlox
Phlox drummondii
Greenhouse
24 Mar – 7 Apr
9 Apr
6-8 wk
19 May
21 May
0 wk
9 Jun
3 wk after
Hollyhock
Alcea rosea
24 Mar – 7 Apr
6-8 wk
19 May
0 wk
9 Jun
3 wk after
Alpine delphinium
Delphinium elatum
24 Feb – 24 Mar
12 Apr
8-12 wk
19 May
7 Jun
0 wk
23 Jun
5 wk after
African marigold
Tagetes erecta
Greenhouse
25 Mar – 8 Apr
9 Apr
6-8 wk
20 May
21 May
0 wk
Black-eyed Susan
Rudbeckia hirta
1 – 15 Apr
3 May
6-8 wk
27 May
14 Jun
1 wk after
7 Jul
7 wk after
Wood sage
Salvia nemorosa
10 – 24 Mar
2 Apr
8-10 wk
19 May
28 May
0 wk
23 Jun
5 wk after
Black-eyed susan vine
Thunbergia alata
Season too short
25 Mar – 22 Apr
6-10 wk
3 Jun
2 wk after
California goldenpoppy
Eschscholzia californica
19 May
27 Jun
0 wk
23 May
17 Jun
1 wk after
Painted tongue
Salpiglossis sinuata
Fleece
25 Mar – 8 Apr
20 Apr
8-10 wk
3 Jun
15 Jun
2 wk after
Water forget-me-not
Myosotis scorpioides
24 Mar – 7 Apr
3 May
6-8 wk
19 May
14 Jun
0 wk
9 Jun
3 wk after