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Method
Rel. frost
Last spring frost (0°C) 3 Jun Frost 1 of 4 years · 20 years of data
Frost-free season 105 days 3 Jun – 16 Sep
Probability that frost is over

75% = 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)
15 – 29 Apr
13 Jun
5-7 wk
3 Jun
18 Jul
0 wk
4 Jun
8 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
22 Apr – 6 May
25 Jun
4-6 wk
3 Jun
23 Jul
0 wk
4 Jun
13 Jul
0 wk
Chili pepper
Capsicum annuum
Greenhouse
17 Mar – 14 Apr
12 Apr
8-12 wk
9 Jun
1 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
15 – 29 Apr
8 Jun
5-7 wk
3 Jun
13 Jul
0 wk
3 Jun
3 Jul
0 wk
Garden cucumber
Cucumis sativus
7 – 14 Jun
3-4 wk
5 Jul
5 wk after
Florence Fennel
Foeniculum vulgare
31 May – 7 Jun
4-5 wk
5 Jul
5 wk after
16 Jul
6 wk after
Butter bean
Phaseolus lunatus
Season too short
14 – 21 Jun
3-4 wk
12 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
11 Mar – 8 Apr
25 Mar
8-12 wk
3 Jun
0 wk
16 Jun
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
4 Jun
9 Jun
0 wk
4 Jun
0 wk
Maize
Zea mays
19 – 26 May
3-4 wk
16 Jun
2 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
8 – 15 May
2 Jul
3-4 wk
5 Jun
23 Jul
0 wk
16 Jun
13 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
3 Jun
3 Jul
0 wk
3 Jun
23 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
15 – 29 Apr
8 Jun
5-7 wk
3 Jun
13 Jul
0 wk
3 Jun
3 Jul
0 wk
Potato
Solanum tuberosum
2 – 16 May
24 May
4-6 wk
13 Jun
21 Jun
1 wk after
13 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
15 – 29 Apr
18 Jun
5-7 wk
3 Jun
23 Jul
0 wk
4 Jun
13 Jul
0 wk
Pumpkin
Cucurbita pepo
7 – 14 Jun
11 Jun
3-4 wk
5 Jul
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
8 – 15 May
6 Jun
3-4 wk
5 Jun
27 Jun
0 wk
16 Jun
17 Jun
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
22 Apr – 6 May
20 Jun
4-6 wk
3 Jun
18 Jul
0 wk
Lettuce
Lactuca sativa
6 – 13 May
7 Jul
3-4 wk
3 Jun
28 Jul
0 wk
4 Jun
18 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
22 Apr – 6 May
20 Jun
4-6 wk
3 Jun
18 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
6 – 20 May
30 May
2-4 wk
3 Jun
13 Jun
0 wk
3 Jun
3 Jun
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
4 Jun
9 Jun
0 wk
4 Jun
0 wk
Spinach
Spinacia oleracea
6 – 13 May
22 Jul
3-4 wk
3 Jun
12 Aug
0 wk
31 May
2 Aug
0 wk
Sweet potato
Ipomoea batatas
28 Jun – 12 Jul
4-6 wk
9 Aug
10 wk after
Garden tomato
Solanum lycopersicum
21 Apr – 5 May
22 Apr
6-8 wk
16 Jun
2 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
19 May – 2 Jun
13 Jun
2-4 wk
16 Jun
27 Jun
2 wk after
16 Jul
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
22 Apr – 6 May
20 Jun
4-6 wk
3 Jun
18 Jul
0 wk
Garden pea
Pisum sativum
6 – 13 May
22 Jun
3-4 wk
3 Jun
13 Jul
0 wk
4 Jun
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
24 May – 7 Jun
4-6 wk
5 Jul
5 wk after
Lemon balm
Melissa officinalis
25 Mar – 8 Apr
18 May
8-10 wk
3 Jun
13 Jul
0 wk
28 Jun
3 Jul
4 wk after
Dill
Anethum graveolens
4 Jun
23 Jul
0 wk
Wild chives
Allium schoenoprasum
8 – 22 Apr
1 Jun
6-8 wk
3 Jun
13 Jul
0 wk
4 Jun
3 Jul
0 wk
Spearmint
Mentha spicata
11 Mar – 8 Apr
18 May
8-12 wk
3 Jun
13 Jul
0 wk
28 Jun
3 Jul
4 wk after
Coriander
Coriandrum sativum
3 Jun
12 Aug
0 wk
16 Jun
2 Aug
2 wk after
Garden sage
Salvia officinalis
27 Mar – 10 Apr
3 May
8-10 wk
5 Jun
28 Jun
0 wk
Common thyme
Thymus vulgaris
25 Mar – 8 Apr
8 May
8-10 wk
3 Jun
3 Jul
0 wk
Oregano
Origanum vulgare
8 – 22 Apr
22 May
6-8 wk
3 Jun
3 Jul
0 wk
28 Jun
4 wk after
Parsley
Petroselinum crispum
8 – 22 Apr
22 May
6-8 wk
3 Jun
3 Jul
0 wk
4 Jun
23 Jun
0 wk
Rosemary
Salvia rosmarinus
27 Feb – 27 Mar
4 Apr
10-14 wk
5 Jun
13 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
7 – 14 Jun
3-4 wk
5 Jul
5 wk after
Cornflower
Centaurea cyanus
3 Jun
13 Jul
0 wk
4 Jun
3 Jul
0 wk
Statice
Limonium sinuatum
7 – 21 Apr
23 Apr
8-10 wk
16 Jun
18 Jun
2 wk after
Sweet William
Dianthus barbatus
8 – 22 Apr
6-8 wk
3 Jun
0 wk
13 Jun
1 wk after
Snow-on-the-mountain
Euphorbia marginata
21 Apr – 5 May
7 May
6-8 wk
16 Jun
18 Jun
2 wk after
9 Aug
10 wk after
Pinnate dahlia
Dahlia × pinnata
19 Apr – 3 May
17 May
6-8 wk
14 Jun
28 Jun
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
3 – 31 May
31 May
4-8 wk
28 Jun
28 Jun
4 wk after
28 Jun
4 wk after
Foxglove
Digitalis purpurea
25 Mar – 8 Apr
8-10 wk
3 Jun
0 wk
16 Jun
2 wk after
Busy lizzie
Impatiens walleriana
12 Apr – 10 May
14 Jun
8-12 wk
5 Jul
9 Aug
5 wk after
Creeping zinnia
Sanvitalia procumbens
21 Apr – 5 May
17 May
6-8 wk
16 Jun
28 Jun
2 wk after
Hyacinth bean
Dolichos lablab
Season too short
5 – 19 May
4-6 wk
16 Jun
2 wk after
Chinese lantern
Physalis alkekengi
27 Mar – 10 Apr
18 Apr
8-10 wk
5 Jun
13 Jun
0 wk
Love in a mist
Nigella damascena
3 Jun
28 Jun
0 wk
4 Jun
18 Jun
0 wk
Strawflower
Xerochrysum bracteatum
21 Apr – 5 May
27 Apr
6-8 wk
16 Jun
2 wk after
9 Aug
10 wk after
Purple-top vervain
Verbena bonariensis
13 Mar – 10 Apr
18 Apr
8-12 wk
5 Jun
13 Jun
0 wk
Cardoon
Cynara cardunculus
Fleece
17 Mar – 14 Apr
19 Mar
8-12 wk
9 Jun
1 wk after
Regal-foxtail
Ptilotus nobilis
Fleece
24 Mar – 21 Apr
19 Apr
8-12 wk
16 Jun
2 wk after
Globe amaranth
Gomphrena globosa
Fleece
21 Apr – 5 May
3 May
6-8 wk
16 Jun
2 wk after
Corn poppy
Papaver rhoeas
3 Jun
13 Jul
0 wk
4 Jun
3 Jul
0 wk
Snapdragon
Antirrhinum majus
11 Mar – 8 Apr
8 May
8-12 wk
3 Jun
3 Jul
0 wk
13 Jun
23 Jun
1 wk after
Flossflower
Ageratum houstonianum
26 Apr – 10 May
3 May
8-10 wk
5 Jul
5 wk after
Sweet pea
Lathyrus odoratus
8 – 29 Apr
29 May
5-8 wk
3 Jun
3 Jul
0 wk
Stock
Matthiola incana
8 – 22 Apr
1 Jun
6-8 wk
3 Jun
13 Jul
0 wk
16 Jun
3 Jul
2 wk after
Wormwood
Artemisia absinthium
8 – 22 Apr
2 May
6-8 wk
3 Jun
13 Jun
0 wk
16 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Fleece
5 – 19 May
12 May
4-6 wk
16 Jun
2 wk after
Garden pansy
Viola × wittrockiana
25 Mar – 8 Apr
18 May
8-10 wk
3 Jun
13 Jul
0 wk
13 Jun
3 Jul
1 wk after
Petunia
Petunia
24 Mar – 21 Apr
23 Apr
8-12 wk
16 Jun
18 Jun
2 wk after
Sweet Scabious
Scabiosa atropurpurea
10 – 24 Apr
2 May
6-8 wk
5 Jun
13 Jun
0 wk
16 Jul
6 wk after
Common zinnia
Zinnia elegans
5 – 19 May
27 May
4-6 wk
16 Jun
24 Jun
2 wk after
Common morning glory
Ipomoea purpurea
31 May – 14 Jun
3-5 wk
5 Jul
5 wk after
Garden cosmos
Cosmos bipinnatus
5 – 19 May
31 May
4-6 wk
16 Jun
28 Jun
2 wk after
16 Jul
6 wk after
Scarlet milkweed
Asclepias curassavica
Fleece
12 Apr – 10 May
19 May
8-12 wk
5 Jul
14 Jul
5 wk after
Bee balm
Monarda didyma
11 Mar – 8 Apr
18 Apr
8-12 wk
3 Jun
13 Jun
0 wk
28 Jun
4 wk after
Yarrow
Achillea millefolium
8 – 22 Apr
6-8 wk
3 Jun
0 wk
16 Jun
2 wk after
Safflower
Carthamus tinctorius
3 Jun
13 Jun
0 wk
4 Jun
0 wk
Iceland poppy
Papaver nudicaule
Season too short
8 – 22 Apr
22 May
6-8 wk
3 Jun
3 Jul
0 wk
18 May
23 Jun
2 wk before
Bishop's flower
Ammi majus
22 Apr – 6 May
5 Jun
4-6 wk
3 Jun
3 Jul
0 wk
16 Jun
23 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Fleece
24 Mar – 7 Apr
30 Mar
10-12 wk
16 Jun
2 wk after
Sunflower
Helianthus annuus
19 – 26 May
12 Jun
3-4 wk
16 Jun
3 Jul
2 wk after
28 Jun
4 wk after
China aster
Callistephus chinensis
21 Apr – 5 May
1 Jun
6-8 wk
16 Jun
13 Jul
2 wk after
16 Jul
6 wk after
Annual phlox
Phlox drummondii
14 – 28 Apr
17 May
6-8 wk
9 Jun
28 Jun
1 wk after
16 Jul
6 wk after
Hollyhock
Alcea rosea
8 – 22 Apr
6-8 wk
3 Jun
0 wk
16 Jun
2 wk after
Alpine delphinium
Delphinium elatum
11 Mar – 8 Apr
18 Apr
8-12 wk
3 Jun
13 Jun
0 wk
28 Jun
4 wk after
African marigold
Tagetes erecta
21 Apr – 5 May
17 May
6-8 wk
16 Jun
28 Jun
2 wk after
Black-eyed Susan
Rudbeckia hirta
10 – 24 Apr
22 May
6-8 wk
5 Jun
3 Jul
0 wk
16 Jul
6 wk after
Wood sage
Salvia nemorosa
25 Mar – 8 Apr
8 Apr
8-10 wk
3 Jun
3 Jun
0 wk
28 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
26 Apr – 24 May
6 May
6-10 wk
5 Jul
5 wk after
California goldenpoppy
Eschscholzia californica
3 Jun
13 Jul
0 wk
4 Jun
3 Jul
0 wk
Painted tongue
Salpiglossis sinuata
7 – 21 Apr
25 Apr
8-10 wk
16 Jun
20 Jun
2 wk after
Water forget-me-not
Myosotis scorpioides
8 – 22 Apr
2 May
6-8 wk
3 Jun
13 Jun
0 wk
16 Jun
2 wk after