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-1.1°
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 138 days 5 May – 20 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
20 Jun
5-7 wk
5 May
25 Jul
0 wk
29 Apr
15 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
24 Mar – 7 Apr
2 Jul
4-6 wk
5 May
30 Jul
0 wk
29 Apr
20 Jul
1 wk before
Chili pepper
Capsicum annuum
Fleece
9 Mar – 6 Apr
4 Apr
8-12 wk
1 Jun
4 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
17 – 31 Mar
15 Jun
5-7 wk
5 May
20 Jul
0 wk
22 Apr
10 Jul
2 wk before
Garden cucumber
Cucumis sativus
18 – 25 May
29 May
3-4 wk
15 Jun
19 Jun
6 wk after
Florence Fennel
Foeniculum vulgare
11 – 18 May
29 May
4-5 wk
15 Jun
26 Jun
6 wk after
15 Jun
16 Jun
6 wk after
Butter bean
Phaseolus lunatus
Greenhouse
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
19 May
3-4 wk
1 Jun
9 Jun
4 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
7 – 14 Apr
7 Jul
3-4 wk
5 May
28 Jul
0 wk
18 May
18 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
5 May
10 Jul
0 wk
22 Apr
30 Jun
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
17 – 31 Mar
15 Jun
5-7 wk
5 May
20 Jul
0 wk
22 Apr
10 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
25 Jun
5-7 wk
5 May
30 Jul
0 wk
29 Apr
20 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
12 Jun
3-4 wk
5 May
3 Jul
0 wk
18 May
23 Jun
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
24 Mar – 7 Apr
27 Jun
4-6 wk
5 May
25 Jul
0 wk
Lettuce
Lactuca sativa
7 – 14 Apr
14 Jul
3-4 wk
5 May
4 Aug
0 wk
29 Apr
25 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
24 Mar – 7 Apr
27 Jun
4-6 wk
5 May
25 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
29 Jul
3-4 wk
5 May
19 Aug
0 wk
15 Apr
9 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
28 Apr
6-8 wk
1 Jun
9 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
27 Jun
4-6 wk
5 May
25 Jul
0 wk
Garden pea
Pisum sativum
7 – 14 Apr
29 Jun
3-4 wk
5 May
20 Jul
0 wk
29 Apr
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
4 – 18 May
24 May
4-6 wk
15 Jun
21 Jun
6 wk after
Lemon balm
Melissa officinalis
24 Feb – 10 Mar
25 May
8-10 wk
5 May
20 Jul
0 wk
31 May
10 Jul
4 wk after
Dill
Anethum graveolens
29 Apr
28 Jul
1 wk before
Wild chives
Allium schoenoprasum
10 – 24 Mar
8 Jun
6-8 wk
5 May
20 Jul
0 wk
29 Apr
10 Jul
1 wk before
Spearmint
Mentha spicata
10 Feb – 10 Mar
25 May
8-12 wk
5 May
20 Jul
0 wk
31 May
10 Jul
4 wk after
Coriander
Coriandrum sativum
5 May
17 Aug
0 wk
18 May
7 Aug
2 wk after
Garden sage
Salvia officinalis
24 Feb – 10 Mar
10 May
8-10 wk
5 May
5 Jul
0 wk
Common thyme
Thymus vulgaris
24 Feb – 10 Mar
15 May
8-10 wk
5 May
10 Jul
0 wk
Oregano
Origanum vulgare
10 – 24 Mar
29 May
6-8 wk
5 May
10 Jul
0 wk
31 May
30 Jun
4 wk after
Parsley
Petroselinum crispum
10 – 24 Mar
29 May
6-8 wk
5 May
10 Jul
0 wk
29 Apr
30 Jun
1 wk before
Rosemary
Salvia rosmarinus
27 Jan – 24 Feb
5 Apr
10-14 wk
5 May
14 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
20 Jul
0 wk
29 Apr
10 Jul
1 wk before
Statice
Limonium sinuatum
23 Mar – 6 Apr
7 May
8-10 wk
1 Jun
2 Jul
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
21 May
6-8 wk
1 Jun
2 Jul
4 wk after
18 Jul
11 wk after
Pinnate dahlia
Dahlia × pinnata
1 – 15 Apr
23 May
6-8 wk
27 May
4 Jul
3 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
5 Apr – 3 May
6 Jun
4-8 wk
31 May
4 Jul
4 wk after
31 May
24 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
25 Jun
8-12 wk
15 Jun
20 Aug
6 wk after
Creeping zinnia
Sanvitalia procumbens
6 – 20 Apr
31 May
6-8 wk
1 Jun
12 Jul
4 wk after
Hyacinth bean
Dolichos lablab
Greenhouse
20 Apr – 4 May
8 May
4-6 wk
1 Jun
5 Jun
4 wk after
Chinese lantern
Physalis alkekengi
24 Feb – 10 Mar
23 Apr
8-10 wk
5 May
18 Jun
0 wk
Love in a mist
Nigella damascena
5 May
5 Jul
0 wk
29 Apr
25 Jun
1 wk before
Strawflower
Xerochrysum bracteatum
6 – 20 Apr
11 May
6-8 wk
1 Jun
22 Jun
4 wk after
18 Jul
11 wk after
Purple-top vervain
Verbena bonariensis
10 Feb – 10 Mar
23 Apr
8-12 wk
5 May
18 Jun
0 wk
Cardoon
Cynara cardunculus
Fleece
28 Feb – 28 Mar
26 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
20 Jul
0 wk
29 Apr
10 Jul
1 wk before
Snapdragon
Antirrhinum majus
10 Feb – 10 Mar
15 May
8-12 wk
5 May
10 Jul
0 wk
10 May
30 Jun
1 wk after
Flossflower
Ageratum houstonianum
6 – 20 Apr
17 May
8-10 wk
15 Jun
12 Jul
6 wk after
Sweet pea
Lathyrus odoratus
10 – 31 Mar
5 Jun
5-8 wk
5 May
10 Jul
0 wk
Stock
Matthiola incana
10 – 24 Mar
8 Jun
6-8 wk
5 May
20 Jul
0 wk
18 May
10 Jul
2 wk after
Wormwood
Artemisia absinthium
10 – 24 Mar
9 May
6-8 wk
5 May
20 Jun
0 wk
18 May
10 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
25 May
8-10 wk
5 May
20 Jul
0 wk
10 May
10 Jul
1 wk after
Petunia
Petunia
9 Mar – 6 Apr
7 May
8-12 wk
1 Jun
2 Jul
4 wk after
Sweet Scabious
Scabiosa atropurpurea
10 – 24 Mar
7 May
6-8 wk
5 May
18 Jun
0 wk
15 Jun
6 wk after
Common zinnia
Zinnia elegans
20 Apr – 4 May
7 Jun
4-6 wk
1 Jun
5 Jul
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
6 Jun
4-6 wk
1 Jun
4 Jul
4 wk after
15 Jun
24 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
25 Apr
8-12 wk
5 May
20 Jun
0 wk
31 May
10 Jun
4 wk after
Yarrow
Achillea millefolium
10 – 24 Mar
9 Apr
6-8 wk
5 May
21 May
0 wk
18 May
2 wk after
Safflower
Carthamus tinctorius
5 May
20 Jun
0 wk
29 Apr
10 Jun
1 wk before
Iceland poppy
Papaver nudicaule
Season too short
10 – 24 Mar
29 May
6-8 wk
5 May
10 Jul
0 wk
20 Mar
30 Jun
7 wk before
Bishop's flower
Ammi majus
24 Mar – 7 Apr
12 Jun
4-6 wk
5 May
10 Jul
0 wk
18 May
30 Jun
2 wk after
Drumsticks
Pycnosorus globosus
23 Mar – 6 Apr
27 Mar
10-12 wk
15 Jun
6 wk after
Sunflower
Helianthus annuus
4 – 11 May
13 Jun
3-4 wk
1 Jun
4 Jul
4 wk after
31 May
24 Jun
4 wk after
China aster
Callistephus chinensis
6 – 20 Apr
2 Jun
6-8 wk
1 Jun
14 Jul
4 wk after
15 Jun
4 Jul
6 wk after
Annual phlox
Phlox drummondii
28 Mar – 11 Apr
31 May
6-8 wk
23 May
12 Jul
3 wk after
15 Jun
2 Jul
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
25 Apr
8-12 wk
5 May
20 Jun
0 wk
31 May
10 Jun
4 wk after
African marigold
Tagetes erecta
6 – 20 Apr
31 May
6-8 wk
1 Jun
12 Jul
4 wk after
Black-eyed Susan
Rudbeckia hirta
10 – 24 Mar
23 May
6-8 wk
5 May
4 Jul
0 wk
15 Jun
24 Jun
6 wk after
Wood sage
Salvia nemorosa
24 Feb – 10 Mar
15 Apr
8-10 wk
5 May
10 Jun
0 wk
31 May
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
20 Jul
0 wk
29 Apr
10 Jul
1 wk before
Painted tongue
Salpiglossis sinuata
23 Mar – 6 Apr
1 May
8-10 wk
1 Jun
26 Jun
4 wk after
Water forget-me-not
Myosotis scorpioides
10 – 24 Mar
9 May
6-8 wk
5 May
20 Jun
0 wk
18 May
10 Jun
2 wk after