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-1.6°
Last 24h: Slight frost recorded tonight at 05:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 5 May Frost 3 of 4 years · 20 years of data
Frost-free season 129 days 5 May – 11 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)
17 – 31 Mar
19 Jun
5-7 wk
5 May
24 Jul
0 wk
29 Apr
14 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
24 Mar – 7 Apr
1 Jul
4-6 wk
5 May
29 Jul
0 wk
29 Apr
19 Jul
1 wk before
Chili pepper
Capsicum annuum
Fleece
9 Mar – 6 Apr
1 Apr
8-12 wk
1 Jun
4 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
17 – 31 Mar
14 Jun
5-7 wk
5 May
19 Jul
0 wk
22 Apr
9 Jul
2 wk before
Garden cucumber
Cucumis sativus
18 – 25 May
26 May
3-4 wk
15 Jun
16 Jun
6 wk after
Florence Fennel
Foeniculum vulgare
11 – 18 May
21 May
4-5 wk
15 Jun
18 Jun
6 wk after
15 Jun
6 wk after
Butter bean
Phaseolus lunatus
Season too short
28 May – 4 Jun
3-4 wk
25 Jun
7 wk after
Onion
Allium cepa (Cepa-gruppen)
10 Feb – 10 Mar
2 Apr
8-12 wk
5 May
28 May
0 wk
18 May
18 May
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
29 Apr
17 Jun
1 wk before
29 Apr
7 Jun
1 wk before
Maize
Zea mays
4 – 11 May
16 May
3-4 wk
1 Jun
6 Jun
4 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
7 – 14 Apr
6 Jul
3-4 wk
5 May
27 Jul
0 wk
18 May
17 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
5 May
9 Jul
0 wk
22 Apr
29 Jun
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
17 – 31 Mar
14 Jun
5-7 wk
5 May
19 Jul
0 wk
22 Apr
9 Jul
2 wk before
Potato
Solanum tuberosum
29 Mar – 12 Apr
4 Jun
4-6 wk
10 May
2 Jul
1 wk after
10 May
22 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
17 – 31 Mar
24 Jun
5-7 wk
5 May
29 Jul
0 wk
29 Apr
19 Jul
1 wk before
Pumpkin
Cucurbita pepo
18 – 25 May
15 Jun
3-4 wk
15 Jun
6 Jul
6 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
7 – 14 Apr
13 Jun
3-4 wk
5 May
4 Jul
0 wk
18 May
24 Jun
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
24 Mar – 7 Apr
26 Jun
4-6 wk
5 May
24 Jul
0 wk
Lettuce
Lactuca sativa
7 – 14 Apr
13 Jul
3-4 wk
5 May
3 Aug
0 wk
29 Apr
24 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
24 Mar – 7 Apr
26 Jun
4-6 wk
5 May
24 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
25 Mar – 8 Apr
5 Jun
2-4 wk
22 Apr
19 Jun
2 wk before
22 Apr
9 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
29 Apr
17 Jun
1 wk before
29 Apr
7 Jun
1 wk before
Spinach
Spinacia oleracea
7 – 14 Apr
28 Jul
3-4 wk
5 May
18 Aug
0 wk
15 Apr
8 Aug
3 wk before
Sweet potato
Ipomoea batatas
6 – 20 Jun
4-6 wk
18 Jul
11 wk after
Garden tomato
Solanum lycopersicum
6 – 20 Apr
25 Apr
6-8 wk
1 Jun
6 Jun
4 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
4 – 18 May
17 Jun
2-4 wk
1 Jun
1 Jul
4 wk after
15 Jun
21 Jun
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
24 Mar – 7 Apr
26 Jun
4-6 wk
5 May
24 Jul
0 wk
Garden pea
Pisum sativum
7 – 14 Apr
28 Jun
3-4 wk
5 May
19 Jul
0 wk
29 Apr
9 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
4 – 18 May
24 May
4-6 wk
15 Jun
21 Jun
6 wk after
Lemon balm
Melissa officinalis
24 Feb – 10 Mar
24 May
8-10 wk
5 May
19 Jul
0 wk
31 May
9 Jul
4 wk after
Dill
Anethum graveolens
29 Apr
27 Jul
1 wk before
Wild chives
Allium schoenoprasum
10 – 24 Mar
7 Jun
6-8 wk
5 May
19 Jul
0 wk
29 Apr
9 Jul
1 wk before
Spearmint
Mentha spicata
10 Feb – 10 Mar
24 May
8-12 wk
5 May
19 Jul
0 wk
31 May
9 Jul
4 wk after
Coriander
Coriandrum sativum
5 May
16 Aug
0 wk
18 May
6 Aug
2 wk after
Garden sage
Salvia officinalis
24 Feb – 10 Mar
9 May
8-10 wk
5 May
4 Jul
0 wk
Common thyme
Thymus vulgaris
24 Feb – 10 Mar
14 May
8-10 wk
5 May
9 Jul
0 wk
Oregano
Origanum vulgare
10 – 24 Mar
28 May
6-8 wk
5 May
9 Jul
0 wk
31 May
29 Jun
4 wk after
Parsley
Petroselinum crispum
10 – 24 Mar
28 May
6-8 wk
5 May
9 Jul
0 wk
29 Apr
29 Jun
1 wk before
Rosemary
Salvia rosmarinus
27 Jan – 24 Feb
28 Mar
10-14 wk
5 May
6 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
18 – 25 May
31 May
3-4 wk
15 Jun
21 Jun
6 wk after
Cornflower
Centaurea cyanus
5 May
19 Jul
0 wk
29 Apr
9 Jul
1 wk before
Statice
Limonium sinuatum
23 Mar – 6 Apr
28 Apr
8-10 wk
1 Jun
23 Jun
4 wk after
Sweet William
Dianthus barbatus
10 – 24 Mar
6-8 wk
5 May
0 wk
10 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
6 – 20 Apr
12 May
6-8 wk
1 Jun
23 Jun
4 wk after
18 Jul
11 wk after
Pinnate dahlia
Dahlia × pinnata
1 – 15 Apr
22 May
6-8 wk
27 May
3 Jul
3 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
5 Apr – 3 May
5 Jun
4-8 wk
31 May
3 Jul
4 wk after
31 May
23 Jun
4 wk after
Foxglove
Digitalis purpurea
24 Feb – 10 Mar
8-10 wk
5 May
0 wk
18 May
2 wk after
Busy lizzie
Impatiens walleriana
23 Mar – 20 Apr
20 Jun
8-12 wk
15 Jun
15 Aug
6 wk after
Creeping zinnia
Sanvitalia procumbens
6 – 20 Apr
22 May
6-8 wk
1 Jun
3 Jul
4 wk after
Hyacinth bean
Dolichos lablab
Greenhouse
20 Apr – 4 May
3 May
4-6 wk
1 Jun
4 wk after
Chinese lantern
Physalis alkekengi
24 Feb – 10 Mar
22 Apr
8-10 wk
5 May
17 Jun
0 wk
Love in a mist
Nigella damascena
5 May
4 Jul
0 wk
29 Apr
24 Jun
1 wk before
Strawflower
Xerochrysum bracteatum
6 – 20 Apr
2 May
6-8 wk
1 Jun
13 Jun
4 wk after
18 Jul
11 wk after
Purple-top vervain
Verbena bonariensis
10 Feb – 10 Mar
22 Apr
8-12 wk
5 May
17 Jun
0 wk
Cardoon
Cynara cardunculus
Fleece
28 Feb – 28 Mar
25 Mar
8-12 wk
23 May
3 wk after
Regal-foxtail
Ptilotus nobilis
23 Mar – 20 Apr
16 Apr
8-12 wk
15 Jun
6 wk after
Globe amaranth
Gomphrena globosa
20 Apr – 4 May
30 Apr
6-8 wk
15 Jun
6 wk after
Corn poppy
Papaver rhoeas
5 May
19 Jul
0 wk
29 Apr
9 Jul
1 wk before
Snapdragon
Antirrhinum majus
10 Feb – 10 Mar
14 May
8-12 wk
5 May
9 Jul
0 wk
10 May
29 Jun
1 wk after
Flossflower
Ageratum houstonianum
6 – 20 Apr
8 May
8-10 wk
15 Jun
3 Jul
6 wk after
Sweet pea
Lathyrus odoratus
10 – 31 Mar
4 Jun
5-8 wk
5 May
9 Jul
0 wk
Stock
Matthiola incana
10 – 24 Mar
7 Jun
6-8 wk
5 May
19 Jul
0 wk
18 May
9 Jul
2 wk after
Wormwood
Artemisia absinthium
10 – 24 Mar
8 May
6-8 wk
5 May
19 Jun
0 wk
18 May
9 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
4 – 18 May
9 May
4-6 wk
15 Jun
6 wk after
Garden pansy
Viola × wittrockiana
24 Feb – 10 Mar
24 May
8-10 wk
5 May
19 Jul
0 wk
10 May
9 Jul
1 wk after
Petunia
Petunia
9 Mar – 6 Apr
28 Apr
8-12 wk
1 Jun
23 Jun
4 wk after
Sweet Scabious
Scabiosa atropurpurea
10 – 24 Mar
6 May
6-8 wk
5 May
17 Jun
0 wk
15 Jun
6 wk after
Common zinnia
Zinnia elegans
20 Apr – 4 May
2 Jun
4-6 wk
1 Jun
30 Jun
4 wk after
Common morning glory
Ipomoea purpurea
11 – 25 May
31 May
3-5 wk
15 Jun
21 Jun
6 wk after
Garden cosmos
Cosmos bipinnatus
20 Apr – 4 May
5 Jun
4-6 wk
1 Jun
3 Jul
4 wk after
15 Jun
23 Jun
6 wk after
Scarlet milkweed
Asclepias curassavica
10 Apr – 8 May
16 May
8-12 wk
3 Jul
11 Jul
8 wk after
Bee balm
Monarda didyma
10 Feb – 10 Mar
24 Apr
8-12 wk
5 May
19 Jun
0 wk
31 May
9 Jun
4 wk after
Yarrow
Achillea millefolium
10 – 24 Mar
8 Apr
6-8 wk
5 May
20 May
0 wk
18 May
2 wk after
Safflower
Carthamus tinctorius
5 May
19 Jun
0 wk
29 Apr
9 Jun
1 wk before
Iceland poppy
Papaver nudicaule
Season too short
10 – 24 Mar
28 May
6-8 wk
5 May
9 Jul
0 wk
20 Mar
29 Jun
7 wk before
Bishop's flower
Ammi majus
24 Mar – 7 Apr
11 Jun
4-6 wk
5 May
9 Jul
0 wk
18 May
29 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Fleece
9 – 23 Mar
4 Apr
10-12 wk
1 Jun
13 Jun
4 wk after
Sunflower
Helianthus annuus
4 – 11 May
5 Jun
3-4 wk
1 Jun
26 Jun
4 wk after
31 May
16 Jun
4 wk after
China aster
Callistephus chinensis
6 – 20 Apr
25 May
6-8 wk
1 Jun
6 Jul
4 wk after
15 Jun
26 Jun
6 wk after
Annual phlox
Phlox drummondii
28 Mar – 11 Apr
22 May
6-8 wk
23 May
3 Jul
3 wk after
15 Jun
23 Jun
6 wk after
Hollyhock
Alcea rosea
10 – 24 Mar
6-8 wk
5 May
0 wk
18 May
2 wk after
Alpine delphinium
Delphinium elatum
10 Feb – 10 Mar
24 Apr
8-12 wk
5 May
19 Jun
0 wk
31 May
9 Jun
4 wk after
African marigold
Tagetes erecta
6 – 20 Apr
22 May
6-8 wk
1 Jun
3 Jul
4 wk after
Black-eyed Susan
Rudbeckia hirta
10 – 24 Mar
15 May
6-8 wk
5 May
26 Jun
0 wk
15 Jun
16 Jun
6 wk after
Wood sage
Salvia nemorosa
24 Feb – 10 Mar
14 Apr
8-10 wk
5 May
9 Jun
0 wk
31 May
4 wk after
Black-eyed susan vine
Thunbergia alata
6 Apr – 4 May
10 May
6-10 wk
15 Jun
21 Jun
6 wk after
California goldenpoppy
Eschscholzia californica
5 May
19 Jul
0 wk
29 Apr
9 Jul
1 wk before
Painted tongue
Salpiglossis sinuata
23 Mar – 6 Apr
23 Apr
8-10 wk
1 Jun
18 Jun
4 wk after
Water forget-me-not
Myosotis scorpioides
10 – 24 Mar
8 May
6-8 wk
5 May
19 Jun
0 wk
18 May
9 Jun
2 wk after