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Method
Rel. frost
Last spring frost (0°C) 6 Jun Frost 1 of 10 years · 20 years of data
Frost-free season 135 days 6 Jun – 19 Oct
Probability that frost is over

90% = 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)
18 Apr – 2 May
21 Jun
5-7 wk
6 Jun
26 Jul
0 wk
31 May
16 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
25 Apr – 9 May
3 Jul
4-6 wk
6 Jun
31 Jul
0 wk
31 May
21 Jul
1 wk before
Chili pepper
Capsicum annuum
Greenhouse
20 Mar – 17 Apr
28 Mar
8-12 wk
12 Jun
1 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
18 Apr – 2 May
16 Jun
5-7 wk
6 Jun
21 Jul
0 wk
24 May
11 Jul
2 wk before
Garden cucumber
Cucumis sativus
Fleece
22 – 29 May
22 May
3-4 wk
19 Jun
2 wk after
Florence Fennel
Foeniculum vulgare
3 – 10 Jun
13 Jun
4-5 wk
8 Jul
11 Jul
5 wk after
17 Jul
6 wk after
Butter bean
Phaseolus lunatus
Greenhouse
17 – 24 Jun
3-4 wk
15 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
14 Mar – 11 Apr
6 Apr
8-12 wk
6 Jun
0 wk
19 Jun
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
31 May
21 Jun
1 wk before
31 May
11 Jun
1 wk before
Maize
Zea mays
Fleece
15 – 22 May
3-4 wk
12 Jun
1 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
11 – 18 May
10 Jul
3-4 wk
8 Jun
31 Jul
0 wk
19 Jun
21 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
6 Jun
11 Jul
0 wk
24 May
1 Jul
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
18 Apr – 2 May
16 Jun
5-7 wk
6 Jun
21 Jul
0 wk
24 May
11 Jul
2 wk before
Potato
Solanum tuberosum
30 Apr – 14 May
13 Jun
4-6 wk
11 Jun
11 Jul
1 wk after
11 Jun
1 Jul
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
18 Apr – 2 May
26 Jun
5-7 wk
6 Jun
31 Jul
0 wk
31 May
21 Jul
1 wk before
Pumpkin
Cucurbita pepo
10 – 17 Jun
3-4 wk
8 Jul
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
11 – 18 May
5 Jul
3-4 wk
8 Jun
26 Jul
0 wk
19 Jun
16 Jul
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
25 Apr – 9 May
28 Jun
4-6 wk
6 Jun
26 Jul
0 wk
Lettuce
Lactuca sativa
9 – 16 May
15 Jul
3-4 wk
6 Jun
5 Aug
0 wk
31 May
26 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
25 Apr – 9 May
28 Jun
4-6 wk
6 Jun
26 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
26 Apr – 10 May
7 Jun
2-4 wk
24 May
21 Jun
2 wk before
24 May
11 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
31 May
21 Jun
1 wk before
31 May
11 Jun
1 wk before
Spinach
Spinacia oleracea
9 – 16 May
30 Jul
3-4 wk
6 Jun
20 Aug
0 wk
17 May
10 Aug
3 wk before
Sweet potato
Ipomoea batatas
8 – 22 Jul
4-6 wk
19 Aug
11 wk after
Garden tomato
Solanum lycopersicum
Fleece
17 Apr – 1 May
21 Apr
6-8 wk
12 Jun
1 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
22 May – 5 Jun
29 May
2-4 wk
19 Jun
2 wk after
17 Jul
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
25 Apr – 9 May
28 Jun
4-6 wk
6 Jun
26 Jul
0 wk
Garden pea
Pisum sativum
9 – 16 May
30 Jun
3-4 wk
6 Jun
21 Jul
0 wk
31 May
11 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
27 May – 10 Jun
4-6 wk
8 Jul
5 wk after
Lemon balm
Melissa officinalis
28 Mar – 11 Apr
26 May
8-10 wk
6 Jun
21 Jul
0 wk
2 Jul
11 Jul
4 wk after
Dill
Anethum graveolens
31 May
31 Jul
1 wk before
Wild chives
Allium schoenoprasum
11 – 25 Apr
9 Jun
6-8 wk
6 Jun
21 Jul
0 wk
31 May
11 Jul
1 wk before
Spearmint
Mentha spicata
14 Mar – 11 Apr
26 May
8-12 wk
6 Jun
21 Jul
0 wk
2 Jul
11 Jul
4 wk after
Coriander
Coriandrum sativum
6 Jun
20 Aug
0 wk
19 Jun
10 Aug
2 wk after
Garden sage
Salvia officinalis
30 Mar – 13 Apr
11 May
8-10 wk
8 Jun
6 Jul
0 wk
Common thyme
Thymus vulgaris
28 Mar – 11 Apr
16 May
8-10 wk
6 Jun
11 Jul
0 wk
Oregano
Origanum vulgare
11 – 25 Apr
30 May
6-8 wk
6 Jun
11 Jul
0 wk
2 Jul
4 wk after
Parsley
Petroselinum crispum
11 – 25 Apr
30 May
6-8 wk
6 Jun
11 Jul
0 wk
31 May
1 Jul
1 wk before
Rosemary
Salvia rosmarinus
2 – 30 Mar
12 Apr
10-14 wk
8 Jun
21 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
10 – 17 Jun
3-4 wk
8 Jul
5 wk after
Cornflower
Centaurea cyanus
6 Jun
21 Jul
0 wk
31 May
11 Jul
1 wk before
Statice
Limonium sinuatum
10 – 24 Apr
17 Apr
8-10 wk
19 Jun
2 wk after
Sweet William
Dianthus barbatus
11 – 25 Apr
6-8 wk
6 Jun
0 wk
11 Jun
1 wk after
Snow-on-the-mountain
Euphorbia marginata
24 Apr – 8 May
1 May
6-8 wk
19 Jun
2 wk after
19 Aug
11 wk after
Pinnate dahlia
Dahlia × pinnata
22 Apr – 6 May
15 May
6-8 wk
17 Jun
26 Jun
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
7 May – 4 Jun
29 May
4-8 wk
2 Jul
4 wk after
2 Jul
4 wk after
Foxglove
Digitalis purpurea
28 Mar – 11 Apr
8-10 wk
6 Jun
0 wk
19 Jun
2 wk after
Busy lizzie
Impatiens walleriana
15 Apr – 13 May
9 Jun
8-12 wk
8 Jul
4 Aug
5 wk after
Creeping zinnia
Sanvitalia procumbens
24 Apr – 8 May
11 May
6-8 wk
19 Jun
22 Jun
2 wk after
Hyacinth bean
Dolichos lablab
Season too short
8 – 22 May
4-6 wk
19 Jun
2 wk after
Chinese lantern
Physalis alkekengi
30 Mar – 13 Apr
26 Apr
8-10 wk
8 Jun
21 Jun
0 wk
Love in a mist
Nigella damascena
6 Jun
6 Jul
0 wk
31 May
26 Jun
1 wk before
Strawflower
Xerochrysum bracteatum
24 Apr – 8 May
6-8 wk
19 Jun
2 wk after
19 Aug
11 wk after
Purple-top vervain
Verbena bonariensis
16 Mar – 13 Apr
26 Apr
8-12 wk
8 Jun
21 Jun
0 wk
Cardoon
Cynara cardunculus
27 Mar – 24 Apr
27 Mar
8-12 wk
19 Jun
2 wk after
Regal-foxtail
Ptilotus nobilis
Fleece
27 Mar – 24 Apr
14 Apr
8-12 wk
19 Jun
2 wk after
Globe amaranth
Gomphrena globosa
Fleece
24 Apr – 8 May
28 Apr
6-8 wk
19 Jun
2 wk after
Corn poppy
Papaver rhoeas
6 Jun
21 Jul
0 wk
31 May
11 Jul
1 wk before
Snapdragon
Antirrhinum majus
14 Mar – 11 Apr
16 May
8-12 wk
6 Jun
11 Jul
0 wk
11 Jun
1 Jul
1 wk after
Flossflower
Ageratum houstonianum
29 Apr – 13 May
8-10 wk
8 Jul
5 wk after
Sweet pea
Lathyrus odoratus
11 Apr – 2 May
6 Jun
5-8 wk
6 Jun
11 Jul
0 wk
Stock
Matthiola incana
11 – 25 Apr
9 Jun
6-8 wk
6 Jun
21 Jul
0 wk
19 Jun
11 Jul
2 wk after
Wormwood
Artemisia absinthium
11 – 25 Apr
10 May
6-8 wk
6 Jun
21 Jun
0 wk
19 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Fleece
8 – 22 May
4-6 wk
19 Jun
2 wk after
Garden pansy
Viola × wittrockiana
28 Mar – 11 Apr
26 May
8-10 wk
6 Jun
21 Jul
0 wk
11 Jun
11 Jul
1 wk after
Petunia
Petunia
27 Mar – 24 Apr
17 Apr
8-12 wk
19 Jun
2 wk after
Sweet Scabious
Scabiosa atropurpurea
13 – 27 Apr
10 May
6-8 wk
8 Jun
21 Jun
0 wk
17 Jul
6 wk after
Common zinnia
Zinnia elegans
8 – 22 May
22 May
4-6 wk
19 Jun
19 Jun
2 wk after
Common morning glory
Ipomoea purpurea
3 – 17 Jun
3-5 wk
8 Jul
5 wk after
Garden cosmos
Cosmos bipinnatus
8 – 22 May
29 May
4-6 wk
19 Jun
26 Jun
2 wk after
17 Jul
6 wk after
Scarlet milkweed
Asclepias curassavica
6 May – 3 Jun
8-12 wk
29 Jul
8 wk after
Bee balm
Monarda didyma
14 Mar – 11 Apr
26 Apr
8-12 wk
6 Jun
21 Jun
0 wk
2 Jul
4 wk after
Yarrow
Achillea millefolium
11 – 25 Apr
6-8 wk
6 Jun
0 wk
19 Jun
2 wk after
Safflower
Carthamus tinctorius
6 Jun
21 Jun
0 wk
31 May
11 Jun
1 wk before
Iceland poppy
Papaver nudicaule
Season too short
11 – 25 Apr
30 May
6-8 wk
6 Jun
11 Jul
0 wk
21 Apr
1 Jul
7 wk before
Bishop's flower
Ammi majus
25 Apr – 9 May
13 Jun
4-6 wk
6 Jun
11 Jul
0 wk
19 Jun
1 Jul
2 wk after
Drumsticks
Pycnosorus globosus
Fleece
27 Mar – 10 Apr
28 Mar
10-12 wk
19 Jun
2 wk after
Sunflower
Helianthus annuus
22 – 29 May
20 Jun
3-4 wk
19 Jun
11 Jul
2 wk after
2 Jul
4 wk after
China aster
Callistephus chinensis
24 Apr – 8 May
9 Jun
6-8 wk
19 Jun
21 Jul
2 wk after
17 Jul
6 wk after
Annual phlox
Phlox drummondii
17 Apr – 1 May
11 May
6-8 wk
12 Jun
22 Jun
1 wk after
17 Jul
6 wk after
Hollyhock
Alcea rosea
11 – 25 Apr
6-8 wk
6 Jun
0 wk
19 Jun
2 wk after
Alpine delphinium
Delphinium elatum
14 Mar – 11 Apr
26 Apr
8-12 wk
6 Jun
21 Jun
0 wk
2 Jul
4 wk after
African marigold
Tagetes erecta
24 Apr – 8 May
11 May
6-8 wk
19 Jun
22 Jun
2 wk after
Black-eyed Susan
Rudbeckia hirta
13 – 27 Apr
30 May
6-8 wk
8 Jun
11 Jul
0 wk
17 Jul
6 wk after
Wood sage
Salvia nemorosa
28 Mar – 11 Apr
16 Apr
8-10 wk
6 Jun
11 Jun
0 wk
2 Jul
4 wk after
Black-eyed susan vine
Thunbergia alata
29 Apr – 27 May
6-10 wk
8 Jul
5 wk after
California goldenpoppy
Eschscholzia californica
6 Jun
21 Jul
0 wk
31 May
11 Jul
1 wk before
Painted tongue
Salpiglossis sinuata
10 – 24 Apr
16 May
8-10 wk
19 Jun
11 Jul
2 wk after
Water forget-me-not
Myosotis scorpioides
11 – 25 Apr
10 May
6-8 wk
6 Jun
21 Jun
0 wk
19 Jun
2 wk after