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-0.3°
Slight frost tomorrow at 23:00. Bring in or cover sensitive plants
1.0°
Last 24h: Near frost recorded last night at 05:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 27 May Frost 3 of 4 years · 20 years of data
Frost-free season 90 days 27 May – 25 Aug
Probability that frost is over

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

Herbs

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