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-3.0°
Slight frost tonight at 03:00. Frost temperatures between 21:00 – tomorrow 23:00. Bring in or cover sensitive plants
-0.5°
Last 24h: Slight frost recorded this morning at 10:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 18 Jun Frost 1 of 4 years · 20 years of data
Frost-free season 88 days 18 Jun – 14 Sep
Probability that frost is over

75% = 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)
30 Apr – 14 May
15 Jun
5-7 wk
18 Jun
20 Jul
0 wk
22 Jun
10 Jul
1 wk after
Broccoli
Brassica oleracea (Italica-gruppen)
7 – 21 May
27 Jun
4-6 wk
18 Jun
25 Jul
0 wk
22 Jun
15 Jul
1 wk after
Chili pepper
Capsicum annuum
Season too short
10 Apr – 8 May
8-12 wk
3 Jul
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
30 Apr – 14 May
10 Jun
5-7 wk
18 Jun
15 Jul
0 wk
18 Jun
5 Jul
0 wk
Garden cucumber
Cucumis sativus
Greenhouse
5 – 12 Jun
3-4 wk
3 Jul
2 wk after
Florence Fennel
Foeniculum vulgare
Fleece
10 – 17 Jun
4-5 wk
15 Jul
4 wk after
23 Jul
5 wk after
Butter bean
Phaseolus lunatus
Season too short
8 – 15 Jul
3-4 wk
5 Aug
7 wk after
Onion
Allium cepa (Cepa-gruppen)
Season too short
26 Mar – 23 Apr
31 Mar
8-12 wk
18 Jun
0 wk
18 Jun
0 wk
Onion (sets)
Allium cepa (Cepa-gruppen)
Fleece
14 Jun
1 wk before
14 Jun
1 wk before
Maize
Zea mays
Season too short
22 – 29 May
3-4 wk
19 Jun
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
29 May – 5 Jun
4 Jul
3-4 wk
26 Jun
25 Jul
1 wk after
9 Jul
15 Jul
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
18 Jun
5 Jul
0 wk
18 Jun
25 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
30 Apr – 14 May
10 Jun
5-7 wk
18 Jun
15 Jul
0 wk
18 Jun
5 Jul
0 wk
Potato
Solanum tuberosum
Fleece
11 – 25 May
19 May
4-6 wk
22 Jun
1 wk after
22 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
30 Apr – 14 May
20 Jun
5-7 wk
18 Jun
25 Jul
0 wk
22 Jun
15 Jul
1 wk after
Pumpkin
Cucurbita pepo
Greenhouse
5 – 12 Jun
19 Jun
3-4 wk
3 Jul
10 Jul
2 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
Fleece
21 – 28 May
3-4 wk
18 Jun
0 wk
28 Jun
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
7 – 21 May
22 Jun
4-6 wk
18 Jun
20 Jul
0 wk
Lettuce
Lactuca sativa
21 – 28 May
9 Jul
3-4 wk
18 Jun
30 Jul
0 wk
22 Jun
20 Jul
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
7 – 21 May
22 Jun
4-6 wk
18 Jun
20 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
21 May – 4 Jun
2-4 wk
18 Jun
0 wk
18 Jun
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
Fleece
14 Jun
1 wk before
14 Jun
1 wk before
Spinach
Spinacia oleracea
21 – 28 May
24 Jul
3-4 wk
18 Jun
14 Aug
0 wk
14 Jun
4 Aug
1 wk before
Sweet potato
Ipomoea batatas
20 Jul – 3 Aug
4-6 wk
31 Aug
11 wk after
Garden tomato
Solanum lycopersicum
Season too short
24 Apr – 8 May
6-8 wk
19 Jun
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Fleece
5 – 19 Jun
2-4 wk
3 Jul
2 wk after
23 Jul
5 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
7 – 21 May
22 Jun
4-6 wk
18 Jun
20 Jul
0 wk
Garden pea
Pisum sativum
21 – 28 May
24 Jun
3-4 wk
18 Jun
15 Jul
0 wk
22 Jun
5 Jul
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
Greenhouse
22 May – 5 Jun
28 May
4-6 wk
3 Jul
2 wk after
Lemon balm
Melissa officinalis
9 – 23 Apr
20 May
8-10 wk
18 Jun
15 Jul
0 wk
23 Jul
5 wk after
Dill
Anethum graveolens
22 Jun
25 Jul
1 wk after
Wild chives
Allium schoenoprasum
23 Apr – 7 May
3 Jun
6-8 wk
18 Jun
15 Jul
0 wk
22 Jun
5 Jul
1 wk after
Spearmint
Mentha spicata
26 Mar – 23 Apr
20 May
8-12 wk
18 Jun
15 Jul
0 wk
23 Jul
5 wk after
Coriander
Coriandrum sativum
18 Jun
14 Aug
0 wk
9 Jul
4 Aug
3 wk after
Garden sage
Salvia officinalis
17 Apr – 1 May
5 May
8-10 wk
26 Jun
30 Jun
1 wk after
Common thyme
Thymus vulgaris
9 – 23 Apr
10 May
8-10 wk
18 Jun
5 Jul
0 wk
Oregano
Origanum vulgare
23 Apr – 7 May
24 May
6-8 wk
18 Jun
5 Jul
0 wk
23 Jul
5 wk after
Parsley
Petroselinum crispum
23 Apr – 7 May
24 May
6-8 wk
18 Jun
5 Jul
0 wk
22 Jun
25 Jun
1 wk after
Rosemary
Salvia rosmarinus
20 Mar – 17 Apr
30 Mar
10-14 wk
26 Jun
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
Greenhouse
5 – 12 Jun
3-4 wk
3 Jul
2 wk after
Cornflower
Centaurea cyanus
18 Jun
15 Jul
0 wk
22 Jun
5 Jul
1 wk after
Statice
Limonium sinuatum
Fleece
24 Apr – 8 May
27 Apr
8-10 wk
3 Jul
2 wk after
Sweet William
Dianthus barbatus
23 Apr – 7 May
6-8 wk
18 Jun
0 wk
4 Jul
2 wk after
Snow-on-the-mountain
Euphorbia marginata
Fleece
8 – 22 May
11 May
6-8 wk
3 Jul
2 wk after
16 Aug
8 wk after
Pinnate dahlia
Dahlia × pinnata
12 – 26 May
6-8 wk
7 Jul
3 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
Greenhouse
3 – 31 May
7 Jun
4-8 wk
28 Jun
5 Jul
1 wk after
28 Jun
1 wk after
Foxglove
Digitalis purpurea
9 – 23 Apr
8-10 wk
18 Jun
0 wk
9 Jul
3 wk after
Busy lizzie
Impatiens walleriana
Fleece
22 Apr – 20 May
15 Jun
8-12 wk
15 Jul
10 Aug
4 wk after
Creeping zinnia
Sanvitalia procumbens
20 May – 3 Jun
6-8 wk
15 Jul
4 wk after
Hyacinth bean
Dolichos lablab
Season too short
3 – 17 Jun
4-6 wk
15 Jul
4 wk after
Chinese lantern
Physalis alkekengi
17 Apr – 1 May
20 Apr
8-10 wk
26 Jun
1 wk after
Love in a mist
Nigella damascena
18 Jun
30 Jun
0 wk
22 Jun
1 wk after
Strawflower
Xerochrysum bracteatum
Fleece
8 – 22 May
6-8 wk
3 Jul
2 wk after
16 Aug
8 wk after
Purple-top vervain
Verbena bonariensis
3 Apr – 1 May
20 Apr
8-12 wk
26 Jun
1 wk after
Cardoon
Cynara cardunculus
Greenhouse
27 Mar – 24 Apr
8-12 wk
19 Jun
0 wk
Regal-foxtail
Ptilotus nobilis
Greenhouse
10 Apr – 8 May
20 Apr
8-12 wk
3 Jul
2 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
8 – 22 May
6-8 wk
3 Jul
2 wk after
Corn poppy
Papaver rhoeas
18 Jun
15 Jul
0 wk
22 Jun
5 Jul
1 wk after
Snapdragon
Antirrhinum majus
26 Mar – 23 Apr
10 May
8-12 wk
18 Jun
5 Jul
0 wk
4 Jul
2 wk after
Flossflower
Ageratum houstonianum
Fleece
6 – 20 May
7 May
8-10 wk
15 Jul
4 wk after
Sweet pea
Lathyrus odoratus
23 Apr – 14 May
31 May
5-8 wk
18 Jun
5 Jul
0 wk
Stock
Matthiola incana
23 Apr – 7 May
3 Jun
6-8 wk
18 Jun
15 Jul
0 wk
9 Jul
3 wk after
Wormwood
Artemisia absinthium
23 Apr – 7 May
4 May
6-8 wk
18 Jun
0 wk
9 Jul
3 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
22 May – 5 Jun
4-6 wk
3 Jul
2 wk after
Garden pansy
Viola × wittrockiana
9 – 23 Apr
20 May
8-10 wk
18 Jun
15 Jul
0 wk
4 Jul
5 Jul
2 wk after
Petunia
Petunia
Fleece
10 Apr – 8 May
27 Apr
8-12 wk
3 Jul
2 wk after
Sweet Scabious
Scabiosa atropurpurea
1 – 15 May
4 May
6-8 wk
26 Jun
1 wk after
6 Aug
7 wk after
Common zinnia
Zinnia elegans
Fleece
22 May – 5 Jun
28 May
4-6 wk
3 Jul
2 wk after
Common morning glory
Ipomoea purpurea
Greenhouse
29 May – 12 Jun
4 Jun
3-5 wk
3 Jul
2 wk after
Garden cosmos
Cosmos bipinnatus
3 – 17 Jun
4-6 wk
15 Jul
4 wk after
6 Aug
7 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
22 Apr – 20 May
20 May
8-12 wk
15 Jul
15 Jul
4 wk after
Bee balm
Monarda didyma
26 Mar – 23 Apr
20 Apr
8-12 wk
18 Jun
0 wk
23 Jul
5 wk after
Yarrow
Achillea millefolium
23 Apr – 7 May
6-8 wk
18 Jun
0 wk
9 Jul
3 wk after
Safflower
Carthamus tinctorius
18 Jun
0 wk
22 Jun
1 wk after
Iceland poppy
Papaver nudicaule
Season too short
23 Apr – 7 May
24 May
6-8 wk
18 Jun
5 Jul
0 wk
31 May
25 Jun
3 wk before
Bishop's flower
Ammi majus
7 – 21 May
7 Jun
4-6 wk
18 Jun
5 Jul
0 wk
9 Jul
3 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
10 – 24 Apr
10-12 wk
3 Jul
2 wk after
Sunflower
Helianthus annuus
17 – 24 Jun
3-4 wk
15 Jul
4 wk after
23 Jul
5 wk after
China aster
Callistephus chinensis
20 May – 3 Jun
27 May
6-8 wk
15 Jul
4 wk after
6 Aug
7 wk after
Annual phlox
Phlox drummondii
8 – 22 May
6-8 wk
3 Jul
2 wk after
6 Aug
7 wk after
Hollyhock
Alcea rosea
23 Apr – 7 May
6-8 wk
18 Jun
0 wk
9 Jul
3 wk after
Alpine delphinium
Delphinium elatum
26 Mar – 23 Apr
20 Apr
8-12 wk
18 Jun
0 wk
23 Jul
5 wk after
African marigold
Tagetes erecta
20 May – 3 Jun
6-8 wk
15 Jul
4 wk after
Black-eyed Susan
Rudbeckia hirta
1 – 15 May
17 May
6-8 wk
26 Jun
28 Jun
1 wk after
6 Aug
7 wk after
Wood sage
Salvia nemorosa
9 – 23 Apr
10 Apr
8-10 wk
18 Jun
0 wk
23 Jul
5 wk after
Black-eyed susan vine
Thunbergia alata
Greenhouse
24 Apr – 22 May
14 May
6-10 wk
3 Jul
2 wk after
California goldenpoppy
Eschscholzia californica
18 Jun
15 Jul
0 wk
22 Jun
5 Jul
1 wk after
Painted tongue
Salpiglossis sinuata
6 – 20 May
8-10 wk
15 Jul
4 wk after
Water forget-me-not
Myosotis scorpioides
23 Apr – 7 May
4 May
6-8 wk
18 Jun
0 wk
9 Jul
3 wk after