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-2.7°
Last 24h: Slight frost recorded tonight at 05:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 9 May Frost 3 of 4 years · 20 years of data
Frost-free season 139 days 9 May – 25 Sep
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)
21 Mar – 4 Apr
17 Jun
5-7 wk
9 May
22 Jul
0 wk
2 May
12 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
28 Mar – 11 Apr
29 Jun
4-6 wk
9 May
27 Jul
0 wk
2 May
17 Jul
1 wk before
Chili pepper
Capsicum annuum
Fleece
5 Mar – 2 Apr
31 Mar
8-12 wk
28 May
3 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
21 Mar – 4 Apr
12 Jun
5-7 wk
9 May
17 Jul
0 wk
27 Apr
7 Jul
2 wk before
Garden cucumber
Cucumis sativus
17 – 24 May
25 May
3-4 wk
14 Jun
15 Jun
5 wk after
Florence Fennel
Foeniculum vulgare
10 – 17 May
27 May
4-5 wk
14 Jun
24 Jun
5 wk after
14 Jun
14 Jun
5 wk after
Butter bean
Phaseolus lunatus
Greenhouse
24 – 31 May
3-4 wk
21 Jun
6 wk after
Onion
Allium cepa (Cepa-gruppen)
14 Feb – 14 Mar
2 Apr
8-12 wk
9 May
28 May
0 wk
19 May
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
2 May
17 Jun
1 wk before
2 May
7 Jun
1 wk before
Maize
Zea mays
30 Apr – 7 May
15 May
3-4 wk
28 May
5 Jun
3 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
17 – 24 Apr
6 Jul
3-4 wk
15 May
27 Jul
1 wk after
19 May
17 Jul
1 wk after
Carrot
Daucus carota subsp. sativus var. sativus
9 May
7 Jul
0 wk
27 Apr
27 Jun
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
21 Mar – 4 Apr
12 Jun
5-7 wk
9 May
17 Jul
0 wk
27 Apr
7 Jul
2 wk before
Potato
Solanum tuberosum
2 – 16 Apr
5 Jun
4-6 wk
14 May
3 Jul
1 wk after
14 May
23 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
21 Mar – 4 Apr
22 Jun
5-7 wk
9 May
27 Jul
0 wk
2 May
17 Jul
1 wk before
Pumpkin
Cucurbita pepo
17 – 24 May
18 Jun
3-4 wk
14 Jun
9 Jul
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
17 – 24 Apr
13 Jun
3-4 wk
15 May
4 Jul
1 wk after
19 May
24 Jun
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
28 Mar – 11 Apr
24 Jun
4-6 wk
9 May
22 Jul
0 wk
Lettuce
Lactuca sativa
11 – 18 Apr
11 Jul
3-4 wk
9 May
1 Aug
0 wk
2 May
22 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
28 Mar – 11 Apr
24 Jun
4-6 wk
9 May
22 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
30 Mar – 13 Apr
3 Jun
2-4 wk
27 Apr
17 Jun
2 wk before
27 Apr
7 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
2 May
17 Jun
1 wk before
2 May
7 Jun
1 wk before
Spinach
Spinacia oleracea
11 – 18 Apr
26 Jul
3-4 wk
9 May
16 Aug
0 wk
21 Apr
6 Aug
3 wk before
Sweet potato
Ipomoea batatas
5 – 19 Jun
4-6 wk
17 Jul
10 wk after
Garden tomato
Solanum lycopersicum
2 – 16 Apr
24 Apr
6-8 wk
28 May
5 Jun
3 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
30 Apr – 14 May
20 Jun
2-4 wk
28 May
4 Jul
3 wk after
14 Jun
24 Jun
5 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
28 Mar – 11 Apr
24 Jun
4-6 wk
9 May
22 Jul
0 wk
Garden pea
Pisum sativum
11 – 18 Apr
26 Jun
3-4 wk
9 May
17 Jul
0 wk
2 May
7 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
3 – 17 May
27 May
4-6 wk
14 Jun
24 Jun
5 wk after
Lemon balm
Melissa officinalis
28 Feb – 14 Mar
22 May
8-10 wk
9 May
17 Jul
0 wk
30 May
7 Jul
3 wk after
Dill
Anethum graveolens
2 May
27 Jul
1 wk before
Wild chives
Allium schoenoprasum
14 – 28 Mar
5 Jun
6-8 wk
9 May
17 Jul
0 wk
2 May
7 Jul
1 wk before
Spearmint
Mentha spicata
14 Feb – 14 Mar
22 May
8-12 wk
9 May
17 Jul
0 wk
30 May
7 Jul
3 wk after
Coriander
Coriandrum sativum
9 May
16 Aug
0 wk
19 May
6 Aug
1 wk after
Garden sage
Salvia officinalis
6 – 20 Mar
7 May
8-10 wk
15 May
2 Jul
1 wk after
Common thyme
Thymus vulgaris
28 Feb – 14 Mar
12 May
8-10 wk
9 May
7 Jul
0 wk
Oregano
Origanum vulgare
14 – 28 Mar
26 May
6-8 wk
9 May
7 Jul
0 wk
30 May
27 Jun
3 wk after
Parsley
Petroselinum crispum
14 – 28 Mar
26 May
6-8 wk
9 May
7 Jul
0 wk
2 May
27 Jun
1 wk before
Rosemary
Salvia rosmarinus
6 Feb – 6 Mar
27 Mar
10-14 wk
15 May
5 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
17 – 24 May
3 Jun
3-4 wk
14 Jun
24 Jun
5 wk after
Cornflower
Centaurea cyanus
9 May
17 Jul
0 wk
2 May
7 Jul
1 wk before
Statice
Limonium sinuatum
19 Mar – 2 Apr
29 Apr
8-10 wk
28 May
24 Jun
3 wk after
Sweet William
Dianthus barbatus
14 – 28 Mar
6-8 wk
9 May
0 wk
14 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
2 – 16 Apr
13 May
6-8 wk
28 May
24 Jun
3 wk after
17 Jul
10 wk after
Pinnate dahlia
Dahlia × pinnata
28 Mar – 11 Apr
18 May
6-8 wk
23 May
29 Jun
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
4 Apr – 2 May
1 Jun
4-8 wk
30 May
29 Jun
3 wk after
30 May
19 Jun
3 wk after
Foxglove
Digitalis purpurea
28 Feb – 14 Mar
8-10 wk
9 May
0 wk
19 May
1 wk after
Busy lizzie
Impatiens walleriana
22 Mar – 19 Apr
23 Jun
8-12 wk
14 Jun
18 Aug
5 wk after
Creeping zinnia
Sanvitalia procumbens
2 – 16 Apr
23 May
6-8 wk
28 May
4 Jul
3 wk after
Hyacinth bean
Dolichos lablab
Greenhouse
16 – 30 Apr
6 May
4-6 wk
28 May
3 Jun
3 wk after
Chinese lantern
Physalis alkekengi
6 – 20 Mar
22 Apr
8-10 wk
15 May
17 Jun
1 wk after
Love in a mist
Nigella damascena
9 May
2 Jul
0 wk
2 May
22 Jun
1 wk before
Strawflower
Xerochrysum bracteatum
2 – 16 Apr
3 May
6-8 wk
28 May
14 Jun
3 wk after
17 Jul
10 wk after
Purple-top vervain
Verbena bonariensis
20 Feb – 20 Mar
22 Apr
8-12 wk
15 May
17 Jun
1 wk after
Cardoon
Cynara cardunculus
Fleece
25 Feb – 25 Mar
23 Mar
8-12 wk
20 May
2 wk after
Regal-foxtail
Ptilotus nobilis
22 Mar – 19 Apr
19 Apr
8-12 wk
14 Jun
14 Jun
5 wk after
Globe amaranth
Gomphrena globosa
19 Apr – 3 May
3 May
6-8 wk
14 Jun
14 Jun
5 wk after
Corn poppy
Papaver rhoeas
9 May
17 Jul
0 wk
2 May
7 Jul
1 wk before
Snapdragon
Antirrhinum majus
14 Feb – 14 Mar
12 May
8-12 wk
9 May
7 Jul
0 wk
14 May
27 Jun
1 wk after
Flossflower
Ageratum houstonianum
5 – 19 Apr
9 May
8-10 wk
14 Jun
4 Jul
5 wk after
Sweet pea
Lathyrus odoratus
14 Mar – 4 Apr
2 Jun
5-8 wk
9 May
7 Jul
0 wk
Stock
Matthiola incana
14 – 28 Mar
5 Jun
6-8 wk
9 May
17 Jul
0 wk
19 May
7 Jul
1 wk after
Wormwood
Artemisia absinthium
14 – 28 Mar
6 May
6-8 wk
9 May
17 Jun
0 wk
19 May
7 Jun
1 wk after
Mexican sunflower
Tithonia rotundifolia
3 – 17 May
12 May
4-6 wk
14 Jun
5 wk after
Garden pansy
Viola × wittrockiana
28 Feb – 14 Mar
22 May
8-10 wk
9 May
17 Jul
0 wk
14 May
7 Jul
1 wk after
Petunia
Petunia
5 Mar – 2 Apr
29 Apr
8-12 wk
28 May
24 Jun
3 wk after
Sweet Scabious
Scabiosa atropurpurea
20 Mar – 3 Apr
6 May
6-8 wk
15 May
17 Jun
1 wk after
14 Jun
5 wk after
Common zinnia
Zinnia elegans
16 – 30 Apr
5 Jun
4-6 wk
28 May
3 Jul
3 wk after
Common morning glory
Ipomoea purpurea
10 – 24 May
3 Jun
3-5 wk
14 Jun
24 Jun
5 wk after
Garden cosmos
Cosmos bipinnatus
16 – 30 Apr
1 Jun
4-6 wk
28 May
29 Jun
3 wk after
14 Jun
19 Jun
5 wk after
Scarlet milkweed
Asclepias curassavica
3 Apr – 1 May
19 May
8-12 wk
26 Jun
14 Jul
7 wk after
Bee balm
Monarda didyma
14 Feb – 14 Mar
22 Apr
8-12 wk
9 May
17 Jun
0 wk
30 May
7 Jun
3 wk after
Yarrow
Achillea millefolium
14 – 28 Mar
6 Apr
6-8 wk
9 May
18 May
0 wk
19 May
1 wk after
Safflower
Carthamus tinctorius
9 May
17 Jun
0 wk
2 May
7 Jun
1 wk before
Iceland poppy
Papaver nudicaule
Season too short
14 – 28 Mar
26 May
6-8 wk
9 May
7 Jul
0 wk
31 Mar
27 Jun
6 wk before
Bishop's flower
Ammi majus
28 Mar – 11 Apr
9 Jun
4-6 wk
9 May
7 Jul
0 wk
19 May
27 Jun
1 wk after
Drumsticks
Pycnosorus globosus
22 Mar – 5 Apr
25 Mar
10-12 wk
14 Jun
5 wk after
Sunflower
Helianthus annuus
30 Apr – 7 May
4 Jun
3-4 wk
28 May
25 Jun
3 wk after
30 May
15 Jun
3 wk after
China aster
Callistephus chinensis
2 – 16 Apr
24 May
6-8 wk
28 May
5 Jul
3 wk after
14 Jun
25 Jun
5 wk after
Annual phlox
Phlox drummondii
25 Mar – 8 Apr
23 May
6-8 wk
20 May
4 Jul
2 wk after
14 Jun
24 Jun
5 wk after
Hollyhock
Alcea rosea
14 – 28 Mar
6-8 wk
9 May
0 wk
19 May
1 wk after
Alpine delphinium
Delphinium elatum
14 Feb – 14 Mar
22 Apr
8-12 wk
9 May
17 Jun
0 wk
30 May
7 Jun
3 wk after
African marigold
Tagetes erecta
2 – 16 Apr
23 May
6-8 wk
28 May
4 Jul
3 wk after
Black-eyed Susan
Rudbeckia hirta
20 Mar – 3 Apr
14 May
6-8 wk
15 May
25 Jun
1 wk after
14 Jun
15 Jun
5 wk after
Wood sage
Salvia nemorosa
28 Feb – 14 Mar
12 Apr
8-10 wk
9 May
7 Jun
0 wk
30 May
3 wk after
Black-eyed susan vine
Thunbergia alata
5 Apr – 3 May
13 May
6-10 wk
14 Jun
24 Jun
5 wk after
California goldenpoppy
Eschscholzia californica
9 May
17 Jul
0 wk
2 May
7 Jul
1 wk before
Painted tongue
Salpiglossis sinuata
19 Mar – 2 Apr
29 Apr
8-10 wk
28 May
24 Jun
3 wk after
Water forget-me-not
Myosotis scorpioides
14 – 28 Mar
6 May
6-8 wk
9 May
17 Jun
0 wk
19 May
7 Jun
1 wk after