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-0.3°
Slight frost tonight at 05:00. Frost temperatures between tomorrow 04:00 – 05:00. Bring in or cover sensitive plants
0.4°
Last 24h: Near frost recorded tonight at 04:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 16 May Frost 9 of 10 years · 20 years of data
Frost-free season 103 days 16 May – 27 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)
28 Mar – 11 Apr
12 Jun
5-7 wk
16 May
17 Jul
0 wk
17 May
7 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
4 – 18 Apr
24 Jun
4-6 wk
16 May
22 Jul
0 wk
17 May
12 Jul
0 wk
Chili pepper
Capsicum annuum
Season too short
4 Mar – 1 Apr
8-12 wk
27 May
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
28 Mar – 11 Apr
7 Jun
5-7 wk
16 May
12 Jul
0 wk
16 May
2 Jul
0 wk
Garden cucumber
Cucumis sativus
Season too short
29 Apr – 6 May
3-4 wk
27 May
2 wk after
Florence Fennel
Foeniculum vulgare
Greenhouse
22 – 29 Apr
1 Jun
4-5 wk
27 May
29 Jun
2 wk after
29 May
19 Jun
2 wk after
Butter bean
Phaseolus lunatus
Season too short
29 May – 5 Jun
3-4 wk
26 Jun
6 wk after
Onion
Allium cepa (Cepa-gruppen)
Greenhouse
21 Feb – 21 Mar
14 Mar
8-12 wk
16 May
0 wk
16 May
0 wk
Onion (sets)
Allium cepa (Cepa-gruppen)
Fleece
13 May
21 May
0 wk
13 May
0 wk
Maize
Zea mays
Season too short
22 – 29 Apr
3-4 wk
20 May
1 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
24 Apr – 1 May
15 Jun
3-4 wk
22 May
6 Jul
1 wk after
29 May
26 Jun
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
16 May
29 Jun
0 wk
16 May
19 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
28 Mar – 11 Apr
7 Jun
5-7 wk
16 May
12 Jul
0 wk
16 May
2 Jul
0 wk
Potato
Solanum tuberosum
Fleece
5 – 19 Apr
28 Apr
4-6 wk
17 May
26 May
0 wk
17 May
0 wk
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
28 Mar – 11 Apr
14 Jun
5-7 wk
16 May
19 Jul
0 wk
17 May
9 Jul
0 wk
Pumpkin
Cucurbita pepo
Season too short
29 Apr – 6 May
3-4 wk
27 May
2 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
Fleece
18 – 25 Apr
3 May
3-4 wk
16 May
24 May
0 wk
22 May
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
4 – 18 Apr
19 Jun
4-6 wk
16 May
17 Jul
0 wk
Lettuce
Lactuca sativa
18 – 25 Apr
3 Jul
3-4 wk
16 May
24 Jul
0 wk
17 May
14 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
4 – 18 Apr
19 Jun
4-6 wk
16 May
17 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
Fleece
12 – 26 Apr
10 May
2-4 wk
10 May
24 May
1 wk before
10 May
14 May
1 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
Fleece
13 May
21 May
0 wk
13 May
0 wk
Spinach
Spinacia oleracea
18 – 25 Apr
21 Jul
3-4 wk
16 May
11 Aug
0 wk
13 May
1 Aug
0 wk
Sweet potato
Ipomoea batatas
10 – 24 Jun
4-6 wk
22 Jul
10 wk after
Garden tomato
Solanum lycopersicum
Season too short
25 Mar – 8 Apr
6-8 wk
20 May
1 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Season too short
22 Apr – 6 May
2-4 wk
20 May
1 wk after
29 May
2 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
4 – 18 Apr
19 Jun
4-6 wk
16 May
17 Jul
0 wk
Garden pea
Pisum sativum
18 – 25 Apr
18 Jun
3-4 wk
16 May
9 Jul
0 wk
17 May
29 Jun
0 wk

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