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-3.0°
Last 24h: Slight frost recorded tonight at 05:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 24 May Frost 1 of 10 years · 20 years of data
Frost-free season 139 days 24 May – 10 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)
5 – 19 Apr
20 Jun
5-7 wk
24 May
25 Jul
0 wk
18 May
15 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
12 – 26 Apr
2 Jul
4-6 wk
24 May
30 Jul
0 wk
18 May
20 Jul
1 wk before
Chili pepper
Capsicum annuum
Season too short
19 Mar – 16 Apr
8-12 wk
11 Jun
3 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
5 – 19 Apr
15 Jun
5-7 wk
24 May
20 Jul
0 wk
11 May
10 Jul
2 wk before
Garden cucumber
Cucumis sativus
Greenhouse
14 – 21 May
20 May
3-4 wk
11 Jun
3 wk after
Florence Fennel
Foeniculum vulgare
30 May – 6 Jun
12 Jun
4-5 wk
4 Jul
10 Jul
6 wk after
4 Jul
6 wk after
Butter bean
Phaseolus lunatus
Season too short
16 – 23 Jun
3-4 wk
14 Jul
7 wk after
Onion
Allium cepa (Cepa-gruppen)
1 – 29 Mar
5 Apr
8-12 wk
24 May
31 May
0 wk
6 Jun
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
18 May
20 Jun
1 wk before
18 May
10 Jun
1 wk before
Maize
Zea mays
Greenhouse
26 Apr – 3 May
10 May
3-4 wk
24 May
31 May
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
26 Apr – 3 May
9 Jul
3-4 wk
24 May
30 Jul
0 wk
6 Jun
20 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
24 May
10 Jul
0 wk
11 May
30 Jun
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
5 – 19 Apr
15 Jun
5-7 wk
24 May
20 Jul
0 wk
11 May
10 Jul
2 wk before
Potato
Solanum tuberosum
17 Apr – 1 May
12 Jun
4-6 wk
29 May
10 Jul
1 wk after
29 May
30 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
5 – 19 Apr
25 Jun
5-7 wk
24 May
30 Jul
0 wk
18 May
20 Jul
1 wk before
Pumpkin
Cucurbita pepo
Fleece
23 – 30 May
25 May
3-4 wk
20 Jun
4 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
26 Apr – 3 May
1 Jul
3-4 wk
24 May
22 Jul
0 wk
6 Jun
12 Jul
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
12 – 26 Apr
27 Jun
4-6 wk
24 May
25 Jul
0 wk
Lettuce
Lactuca sativa
26 Apr – 3 May
14 Jul
3-4 wk
24 May
4 Aug
0 wk
18 May
25 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
12 – 26 Apr
27 Jun
4-6 wk
24 May
25 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
13 – 27 Apr
6 Jun
2-4 wk
11 May
20 Jun
2 wk before
11 May
10 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
18 May
20 Jun
1 wk before
18 May
10 Jun
1 wk before
Spinach
Spinacia oleracea
26 Apr – 3 May
29 Jul
3-4 wk
24 May
19 Aug
0 wk
4 May
9 Aug
3 wk before
Sweet potato
Ipomoea batatas
25 Jun – 9 Jul
4-6 wk
6 Aug
11 wk after
Garden tomato
Solanum lycopersicum
Greenhouse
29 Mar – 12 Apr
19 Apr
6-8 wk
24 May
31 May
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Fleece
14 – 28 May
27 May
2-4 wk
11 Jun
3 wk after
19 Jun
4 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
12 – 26 Apr
27 Jun
4-6 wk
24 May
25 Jul
0 wk
Garden pea
Pisum sativum
26 Apr – 3 May
29 Jun
3-4 wk
24 May
20 Jul
0 wk
18 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
9 – 23 May
4-6 wk
20 Jun
4 wk after
Lemon balm
Melissa officinalis
15 – 29 Mar
25 May
8-10 wk
24 May
20 Jul
0 wk
19 Jun
10 Jul
4 wk after
Dill
Anethum graveolens
18 May
30 Jul
1 wk before
Wild chives
Allium schoenoprasum
29 Mar – 12 Apr
8 Jun
6-8 wk
24 May
20 Jul
0 wk
18 May
10 Jul
1 wk before
Spearmint
Mentha spicata
1 – 29 Mar
25 May
8-12 wk
24 May
20 Jul
0 wk
19 Jun
10 Jul
4 wk after
Coriander
Coriandrum sativum
24 May
19 Aug
0 wk
6 Jun
9 Aug
2 wk after
Garden sage
Salvia officinalis
15 – 29 Mar
10 May
8-10 wk
24 May
5 Jul
0 wk
Common thyme
Thymus vulgaris
15 – 29 Mar
15 May
8-10 wk
24 May
10 Jul
0 wk
Oregano
Origanum vulgare
29 Mar – 12 Apr
29 May
6-8 wk
24 May
10 Jul
0 wk
19 Jun
30 Jun
4 wk after
Parsley
Petroselinum crispum
29 Mar – 12 Apr
29 May
6-8 wk
24 May
10 Jul
0 wk
18 May
30 Jun
1 wk before
Rosemary
Salvia rosmarinus
15 Feb – 15 Mar
11 Apr
10-14 wk
24 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
23 – 30 May
3-4 wk
20 Jun
4 wk after
Cornflower
Centaurea cyanus
24 May
20 Jul
0 wk
18 May
10 Jul
1 wk before
Statice
Limonium sinuatum
11 – 25 Apr
15 Apr
8-10 wk
20 Jun
4 wk after
Sweet William
Dianthus barbatus
29 Mar – 12 Apr
6-8 wk
24 May
0 wk
29 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
25 Apr – 9 May
29 Apr
6-8 wk
20 Jun
4 wk after
6 Aug
11 wk after
Pinnate dahlia
Dahlia × pinnata
20 Apr – 4 May
30 Apr
6-8 wk
15 Jun
3 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
24 Apr – 22 May
14 May
4-8 wk
19 Jun
4 wk after
19 Jun
4 wk after
Foxglove
Digitalis purpurea
15 – 29 Mar
8-10 wk
24 May
0 wk
6 Jun
2 wk after
Busy lizzie
Impatiens walleriana
11 Apr – 9 May
21 May
8-12 wk
4 Jul
16 Jul
6 wk after
Creeping zinnia
Sanvitalia procumbens
25 Apr – 9 May
9 May
6-8 wk
20 Jun
20 Jun
4 wk after
Hyacinth bean
Dolichos lablab
Season too short
9 – 23 May
4-6 wk
20 Jun
4 wk after
Chinese lantern
Physalis alkekengi
15 – 29 Mar
25 Apr
8-10 wk
24 May
20 Jun
0 wk
Love in a mist
Nigella damascena
24 May
5 Jul
0 wk
18 May
25 Jun
1 wk before
Strawflower
Xerochrysum bracteatum
25 Apr – 9 May
6-8 wk
20 Jun
4 wk after
6 Aug
11 wk after
Purple-top vervain
Verbena bonariensis
1 – 29 Mar
25 Apr
8-12 wk
24 May
20 Jun
0 wk
Cardoon
Cynara cardunculus
28 Mar – 25 Apr
8-12 wk
20 Jun
4 wk after
Regal-foxtail
Ptilotus nobilis
Fleece
28 Mar – 25 Apr
8-12 wk
20 Jun
4 wk after
Globe amaranth
Gomphrena globosa
Fleece
25 Apr – 9 May
6-8 wk
20 Jun
4 wk after
Corn poppy
Papaver rhoeas
24 May
20 Jul
0 wk
18 May
10 Jul
1 wk before
Snapdragon
Antirrhinum majus
1 – 29 Mar
15 May
8-12 wk
24 May
10 Jul
0 wk
29 May
30 Jun
1 wk after
Flossflower
Ageratum houstonianum
25 Apr – 9 May
25 Apr
8-10 wk
4 Jul
6 wk after
Sweet pea
Lathyrus odoratus
29 Mar – 19 Apr
5 Jun
5-8 wk
24 May
10 Jul
0 wk
Stock
Matthiola incana
29 Mar – 12 Apr
8 Jun
6-8 wk
24 May
20 Jul
0 wk
6 Jun
10 Jul
2 wk after
Wormwood
Artemisia absinthium
29 Mar – 12 Apr
9 May
6-8 wk
24 May
20 Jun
0 wk
6 Jun
10 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
30 Apr – 14 May
9 May
4-6 wk
11 Jun
3 wk after
Garden pansy
Viola × wittrockiana
15 – 29 Mar
25 May
8-10 wk
24 May
20 Jul
0 wk
29 May
10 Jul
1 wk after
Petunia
Petunia
28 Mar – 25 Apr
15 Apr
8-12 wk
20 Jun
4 wk after
Sweet Scabious
Scabiosa atropurpurea
29 Mar – 12 Apr
9 May
6-8 wk
24 May
20 Jun
0 wk
4 Jul
6 wk after
Common zinnia
Zinnia elegans
9 – 23 May
4-6 wk
20 Jun
4 wk after
Common morning glory
Ipomoea purpurea
Fleece
16 – 30 May
3-5 wk
20 Jun
4 wk after
Garden cosmos
Cosmos bipinnatus
9 – 23 May
14 May
4-6 wk
20 Jun
4 wk after
4 Jul
6 wk after
Scarlet milkweed
Asclepias curassavica
Fleece
11 Apr – 9 May
25 Apr
8-12 wk
4 Jul
6 wk after
Bee balm
Monarda didyma
1 – 29 Mar
25 Apr
8-12 wk
24 May
20 Jun
0 wk
19 Jun
4 wk after
Yarrow
Achillea millefolium
29 Mar – 12 Apr
9 Apr
6-8 wk
24 May
0 wk
6 Jun
2 wk after
Safflower
Carthamus tinctorius
24 May
20 Jun
0 wk
18 May
10 Jun
1 wk before
Iceland poppy
Papaver nudicaule
Season too short
29 Mar – 12 Apr
29 May
6-8 wk
24 May
10 Jul
0 wk
8 Apr
30 Jun
7 wk before
Bishop's flower
Ammi majus
12 – 26 Apr
12 Jun
4-6 wk
24 May
10 Jul
0 wk
6 Jun
30 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Fleece
28 Mar – 11 Apr
10-12 wk
20 Jun
4 wk after
Sunflower
Helianthus annuus
23 – 30 May
19 Jun
3-4 wk
20 Jun
10 Jul
4 wk after
19 Jun
30 Jun
4 wk after
China aster
Callistephus chinensis
25 Apr – 9 May
8 Jun
6-8 wk
20 Jun
20 Jul
4 wk after
4 Jul
10 Jul
6 wk after
Annual phlox
Phlox drummondii
16 – 30 Apr
9 May
6-8 wk
11 Jun
20 Jun
3 wk after
4 Jul
6 wk after
Hollyhock
Alcea rosea
29 Mar – 12 Apr
6-8 wk
24 May
0 wk
6 Jun
2 wk after
Alpine delphinium
Delphinium elatum
1 – 29 Mar
25 Apr
8-12 wk
24 May
20 Jun
0 wk
19 Jun
4 wk after
African marigold
Tagetes erecta
25 Apr – 9 May
9 May
6-8 wk
20 Jun
20 Jun
4 wk after
Black-eyed Susan
Rudbeckia hirta
29 Mar – 12 Apr
29 May
6-8 wk
24 May
10 Jul
0 wk
4 Jul
6 wk after
Wood sage
Salvia nemorosa
15 – 29 Mar
15 Apr
8-10 wk
24 May
10 Jun
0 wk
19 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
11 Apr – 9 May
19 Apr
6-10 wk
20 Jun
4 wk after
California goldenpoppy
Eschscholzia californica
24 May
20 Jul
0 wk
18 May
10 Jul
1 wk before
Painted tongue
Salpiglossis sinuata
11 – 25 Apr
15 May
8-10 wk
20 Jun
10 Jul
4 wk after
Water forget-me-not
Myosotis scorpioides
29 Mar – 12 Apr
9 May
6-8 wk
24 May
20 Jun
0 wk
6 Jun
10 Jun
2 wk after