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-2.2°
Last 24h: Slight frost recorded tonight at 03:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 23 May Frost 9 of 10 years · 20 years of data
Frost-free season 93 days 23 May – 24 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)
4 – 18 Apr
11 Jun
5-7 wk
23 May
16 Jul
0 wk
24 May
6 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
11 – 25 Apr
23 Jun
4-6 wk
23 May
21 Jul
0 wk
24 May
11 Jul
0 wk
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)
4 – 18 Apr
6 Jun
5-7 wk
23 May
11 Jul
0 wk
23 May
1 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
8 – 15 May
18 May
4-5 wk
12 Jun
15 Jun
3 wk after
17 Jun
4 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)
Greenhouse
28 Feb – 28 Mar
17 Mar
8-12 wk
23 May
0 wk
23 May
0 wk
Onion (sets)
Allium cepa (Cepa-gruppen)
24 May
0 wk
24 May
0 wk
Maize
Zea mays
Season too short
29 Apr – 6 May
3-4 wk
27 May
1 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
1 – 8 May
14 Jun
3-4 wk
29 May
5 Jul
1 wk after
5 Jun
25 Jun
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
23 May
21 Jun
0 wk
23 May
11 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
4 – 18 Apr
6 Jun
5-7 wk
23 May
11 Jul
0 wk
23 May
1 Jul
0 wk
Potato
Solanum tuberosum
21 Apr – 5 May
22 Apr
4-6 wk
2 Jun
1 wk after
2 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
4 – 18 Apr
6 Jun
5-7 wk
23 May
11 Jul
0 wk
24 May
1 Jul
0 wk
Pumpkin
Cucurbita pepo
Season too short
6 – 13 May
3-4 wk
3 Jun
2 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
1 – 8 May
3-4 wk
29 May
1 wk after
5 Jun
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
11 – 25 Apr
18 Jun
4-6 wk
23 May
16 Jul
0 wk
Lettuce
Lactuca sativa
25 Apr – 2 May
25 Jun
3-4 wk
23 May
16 Jul
0 wk
24 May
6 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
11 – 25 Apr
18 Jun
4-6 wk
23 May
16 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
25 Apr – 9 May
8 May
2-4 wk
23 May
0 wk
23 May
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
24 May
0 wk
24 May
0 wk
Spinach
Spinacia oleracea
25 Apr – 2 May
16 Jul
3-4 wk
23 May
6 Aug
0 wk
20 May
27 Jul
0 wk
Sweet potato
Ipomoea batatas
17 Jun – 1 Jul
4-6 wk
29 Jul
10 wk after
Garden tomato
Solanum lycopersicum
Season too short
1 – 15 Apr
6-8 wk
27 May
1 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Season too short
29 Apr – 13 May
2-4 wk
27 May
1 wk after
5 Jun
2 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
11 – 25 Apr
18 Jun
4-6 wk
23 May
16 Jul
0 wk
Garden pea
Pisum sativum
25 Apr – 2 May
10 Jun
3-4 wk
23 May
1 Jul
0 wk
24 May
21 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
22 Apr – 6 May
4-6 wk
3 Jun
2 wk after
Lemon balm
Melissa officinalis
14 – 28 Mar
6 May
8-10 wk
23 May
1 Jul
0 wk
17 Jun
21 Jun
4 wk after
Dill
Anethum graveolens
24 May
5 Jul
0 wk
Wild chives
Allium schoenoprasum
28 Mar – 11 Apr
30 May
6-8 wk
23 May
11 Jul
0 wk
24 May
1 Jul
0 wk
Spearmint
Mentha spicata
28 Feb – 28 Mar
16 May
8-12 wk
23 May
11 Jul
0 wk
17 Jun
1 Jul
4 wk after
Coriander
Coriandrum sativum
23 May
25 Jul
0 wk
5 Jun
15 Jul
2 wk after
Garden sage
Salvia officinalis
20 Mar – 3 Apr
1 May
8-10 wk
29 May
26 Jun
1 wk after
Common thyme
Thymus vulgaris
14 – 28 Mar
6 May
8-10 wk
23 May
1 Jul
0 wk
Oregano
Origanum vulgare
28 Mar – 11 Apr
20 May
6-8 wk
23 May
1 Jul
0 wk
17 Jun
21 Jun
4 wk after
Parsley
Petroselinum crispum
28 Mar – 11 Apr
20 May
6-8 wk
23 May
1 Jul
0 wk
24 May
21 Jun
0 wk
Rosemary
Salvia rosmarinus
Fleece
14 Feb – 14 Mar
22 Mar
10-14 wk
23 May
31 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
6 – 13 May
3-4 wk
3 Jun
2 wk after
Cornflower
Centaurea cyanus
23 May
11 Jul
0 wk
24 May
1 Jul
0 wk
Statice
Limonium sinuatum
Season too short
18 Mar – 1 Apr
8-10 wk
27 May
1 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
Season too short
1 – 15 Apr
6-8 wk
27 May
1 wk after
24 Jun
5 wk after
Pinnate dahlia
Dahlia × pinnata
Greenhouse
28 Mar – 11 Apr
6 Apr
6-8 wk
23 May
0 wk
Pinnate dahlia (tubers)
Dahlia × pinnata
Greenhouse
3 Apr – 1 May
20 Apr
4-8 wk
29 May
1 wk after
29 May
1 wk after
Foxglove
Digitalis purpurea
14 – 28 Mar
8-10 wk
23 May
0 wk
5 Jun
2 wk after
Busy lizzie
Impatiens walleriana
Season too short
11 Mar – 8 Apr
27 Mar
8-12 wk
3 Jun
2 wk after
Creeping zinnia
Sanvitalia procumbens
Season too short
1 – 15 Apr
2 Apr
6-8 wk
27 May
1 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
31 Mar
8-10 wk
29 May
1 wk after
Love in a mist
Nigella damascena
23 May
16 Jun
0 wk
24 May
6 Jun
0 wk
Strawflower
Xerochrysum bracteatum
Season too short
1 – 15 Apr
6-8 wk
27 May
1 wk after
24 Jun
5 wk after
Purple-top vervain
Verbena bonariensis
6 Mar – 3 Apr
31 Mar
8-12 wk
29 May
1 wk after
Cardoon
Cynara cardunculus
Season too short
4 Mar – 1 Apr
13 Mar
8-12 wk
27 May
1 wk after
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
23 May
1 Jul
0 wk
24 May
21 Jun
0 wk
Snapdragon
Antirrhinum majus
28 Feb – 28 Mar
26 Apr
8-12 wk
23 May
21 Jun
0 wk
2 Jun
11 Jun
1 wk after
Flossflower
Ageratum houstonianum
Season too short
25 Mar – 8 Apr
8-10 wk
3 Jun
2 wk after
Sweet pea
Lathyrus odoratus
28 Mar – 18 Apr
27 May
5-8 wk
23 May
1 Jul
0 wk
Stock
Matthiola incana
28 Mar – 11 Apr
20 May
6-8 wk
23 May
1 Jul
0 wk
5 Jun
21 Jun
2 wk after
Wormwood
Artemisia absinthium
28 Mar – 11 Apr
30 Apr
6-8 wk
23 May
11 Jun
0 wk
5 Jun
2 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
14 – 28 Mar
16 May
8-10 wk
23 May
11 Jul
0 wk
2 Jun
1 Jul
1 wk after
Petunia
Petunia
Season too short
4 Mar – 1 Apr
9 Mar
8-12 wk
27 May
1 wk after
Sweet Scabious
Scabiosa atropurpurea
3 – 17 Apr
14 Apr
6-8 wk
29 May
1 wk after
5 Jul
6 wk after
Common zinnia
Zinnia elegans
Season too short
15 – 29 Apr
4-6 wk
27 May
1 wk after
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
15 – 29 Apr
20 Apr
4-6 wk
27 May
1 wk after
5 Jun
2 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
20 Mar – 17 Apr
8-12 wk
12 Jun
3 wk after
Bee balm
Monarda didyma
28 Feb – 28 Mar
6 Apr
8-12 wk
23 May
1 Jun
0 wk
17 Jun
4 wk after
Yarrow
Achillea millefolium
28 Mar – 11 Apr
31 Mar
6-8 wk
23 May
0 wk
5 Jun
2 wk after
Safflower
Carthamus tinctorius
23 May
7 Jun
0 wk
24 May
28 May
0 wk
Iceland poppy
Papaver nudicaule
Season too short
28 Mar – 11 Apr
20 May
6-8 wk
23 May
1 Jul
0 wk
7 May
21 Jun
2 wk before
Bishop's flower
Ammi majus
11 – 25 Apr
24 May
4-6 wk
23 May
21 Jun
0 wk
5 Jun
11 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Season too short
11 – 25 Mar
10-12 wk
3 Jun
2 wk after
Sunflower
Helianthus annuus
Fleece
6 – 13 May
30 May
3-4 wk
3 Jun
20 Jun
2 wk after
5 Jun
10 Jun
2 wk after
China aster
Callistephus chinensis
17 Apr – 1 May
29 Apr
6-8 wk
12 Jun
3 wk after
5 Jul
6 wk after
Annual phlox
Phlox drummondii
Greenhouse
28 Mar – 11 Apr
2 Apr
6-8 wk
23 May
0 wk
5 Jun
2 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
6 Apr
8-12 wk
23 May
1 Jun
0 wk
17 Jun
4 wk after
African marigold
Tagetes erecta
Season too short
1 – 15 Apr
2 Apr
6-8 wk
27 May
1 wk after
Black-eyed Susan
Rudbeckia hirta
3 – 17 Apr
19 Apr
6-8 wk
29 May
31 May
1 wk after
5 Jul
6 wk after
Wood sage
Salvia nemorosa
14 – 28 Mar
27 Mar
8-10 wk
23 May
0 wk
17 Jun
4 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
23 May
30 Jun
0 wk
24 May
20 Jun
0 wk
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
28 Mar – 11 Apr
30 Apr
6-8 wk
23 May
11 Jun
0 wk
5 Jun
2 wk after