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Method
Rel. frost
Last spring frost (0°C) 14 Jun Frost 1 of 10 years · 20 years of data
Frost-free season 107 days 14 Jun – 29 Sep
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)
26 Apr – 10 May
13 Jun
5-7 wk
14 Jun
18 Jul
0 wk
15 Jun
8 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
3 – 17 May
25 Jun
4-6 wk
14 Jun
23 Jul
0 wk
15 Jun
13 Jul
0 wk
Chili pepper
Capsicum annuum
Season too short
2 – 30 Apr
8-12 wk
25 Jun
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
26 Apr – 10 May
8 Jun
5-7 wk
14 Jun
13 Jul
0 wk
14 Jun
3 Jul
0 wk
Garden cucumber
Cucumis sativus
Season too short
28 May – 4 Jun
3-4 wk
25 Jun
2 wk after
Florence Fennel
Foeniculum vulgare
Fleece
30 May – 6 Jun
5 Jun
4-5 wk
4 Jul
3 wk after
9 Jul
4 wk after
Butter bean
Phaseolus lunatus
Season too short
27 Jun – 4 Jul
3-4 wk
25 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
Greenhouse
22 Mar – 19 Apr
29 Mar
8-12 wk
14 Jun
0 wk
14 Jun
0 wk
Onion (sets)
Allium cepa (Cepa-gruppen)
15 Jun
0 wk
15 Jun
0 wk
Maize
Zea mays
Season too short
21 – 28 May
3-4 wk
18 Jun
1 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
23 – 30 May
2 Jul
3-4 wk
20 Jun
23 Jul
1 wk after
27 Jun
13 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
14 Jun
3 Jul
0 wk
14 Jun
23 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
26 Apr – 10 May
8 Jun
5-7 wk
14 Jun
13 Jul
0 wk
14 Jun
3 Jul
0 wk
Potato
Solanum tuberosum
13 – 27 May
22 May
4-6 wk
24 Jun
1 wk after
24 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
26 Apr – 10 May
18 Jun
5-7 wk
14 Jun
23 Jul
0 wk
15 Jun
13 Jul
0 wk
Pumpkin
Cucurbita pepo
Greenhouse
28 May – 4 Jun
3-4 wk
25 Jun
2 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
23 – 30 May
6 Jun
3-4 wk
20 Jun
27 Jun
1 wk after
27 Jun
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
3 – 17 May
20 Jun
4-6 wk
14 Jun
18 Jul
0 wk
Lettuce
Lactuca sativa
17 – 24 May
7 Jul
3-4 wk
14 Jun
28 Jul
0 wk
15 Jun
18 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
3 – 17 May
20 Jun
4-6 wk
14 Jun
18 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
17 – 31 May
30 May
2-4 wk
14 Jun
0 wk
14 Jun
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
15 Jun
0 wk
15 Jun
0 wk
Spinach
Spinacia oleracea
17 – 24 May
22 Jul
3-4 wk
14 Jun
12 Aug
0 wk
11 Jun
2 Aug
0 wk
Sweet potato
Ipomoea batatas
9 – 23 Jul
4-6 wk
20 Aug
10 wk after
Garden tomato
Solanum lycopersicum
Season too short
23 Apr – 7 May
6-8 wk
18 Jun
1 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Greenhouse
21 May – 4 Jun
2-4 wk
18 Jun
1 wk after
27 Jun
2 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
3 – 17 May
20 Jun
4-6 wk
14 Jun
18 Jul
0 wk
Garden pea
Pisum sativum
17 – 24 May
22 Jun
3-4 wk
14 Jun
13 Jul
0 wk
15 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
Season too short
14 – 28 May
4-6 wk
25 Jun
2 wk after
Lemon balm
Melissa officinalis
5 – 19 Apr
18 May
8-10 wk
14 Jun
13 Jul
0 wk
9 Jul
4 wk after
Dill
Anethum graveolens
15 Jun
23 Jul
0 wk
Wild chives
Allium schoenoprasum
19 Apr – 3 May
1 Jun
6-8 wk
14 Jun
13 Jul
0 wk
15 Jun
3 Jul
0 wk
Spearmint
Mentha spicata
22 Mar – 19 Apr
18 May
8-12 wk
14 Jun
13 Jul
0 wk
9 Jul
4 wk after
Coriander
Coriandrum sativum
14 Jun
12 Aug
0 wk
27 Jun
2 Aug
2 wk after
Garden sage
Salvia officinalis
11 – 25 Apr
3 May
8-10 wk
20 Jun
28 Jun
1 wk after
Common thyme
Thymus vulgaris
5 – 19 Apr
8 May
8-10 wk
14 Jun
3 Jul
0 wk
Oregano
Origanum vulgare
19 Apr – 3 May
22 May
6-8 wk
14 Jun
3 Jul
0 wk
9 Jul
4 wk after
Parsley
Petroselinum crispum
19 Apr – 3 May
22 May
6-8 wk
14 Jun
3 Jul
0 wk
15 Jun
23 Jun
0 wk
Rosemary
Salvia rosmarinus
14 Mar – 11 Apr
4 Apr
10-14 wk
20 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
Season too short
28 May – 4 Jun
3-4 wk
25 Jun
2 wk after
Cornflower
Centaurea cyanus
14 Jun
13 Jul
0 wk
15 Jun
3 Jul
0 wk
Statice
Limonium sinuatum
Greenhouse
9 – 23 Apr
16 Apr
8-10 wk
18 Jun
1 wk after
Sweet William
Dianthus barbatus
19 Apr – 3 May
6-8 wk
14 Jun
0 wk
24 Jun
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Greenhouse
23 Apr – 7 May
30 Apr
6-8 wk
18 Jun
1 wk after
16 Jul
5 wk after
Pinnate dahlia
Dahlia × pinnata
Greenhouse
19 Apr – 3 May
12 May
6-8 wk
14 Jun
23 Jun
0 wk
Pinnate dahlia (tubers)
Dahlia × pinnata
Greenhouse
25 Apr – 23 May
26 May
4-8 wk
20 Jun
23 Jun
1 wk after
20 Jun
1 wk after
Foxglove
Digitalis purpurea
5 – 19 Apr
8-10 wk
14 Jun
0 wk
27 Jun
2 wk after
Busy lizzie
Impatiens walleriana
Fleece
11 Apr – 9 May
12 May
8-12 wk
4 Jul
7 Jul
3 wk after
Creeping zinnia
Sanvitalia procumbens
Fleece
30 Apr – 14 May
6-8 wk
25 Jun
2 wk after
Hyacinth bean
Dolichos lablab
Season too short
23 May – 6 Jun
4-6 wk
4 Jul
3 wk after
Chinese lantern
Physalis alkekengi
11 – 25 Apr
18 Apr
8-10 wk
20 Jun
1 wk after
Love in a mist
Nigella damascena
14 Jun
28 Jun
0 wk
15 Jun
18 Jun
0 wk
Strawflower
Xerochrysum bracteatum
Greenhouse
23 Apr – 7 May
6-8 wk
18 Jun
1 wk after
16 Jul
5 wk after
Purple-top vervain
Verbena bonariensis
28 Mar – 25 Apr
18 Apr
8-12 wk
20 Jun
1 wk after
Cardoon
Cynara cardunculus
Fleece
2 – 30 Apr
8-12 wk
25 Jun
2 wk after
Regal-foxtail
Ptilotus nobilis
Season too short
2 – 30 Apr
8-12 wk
25 Jun
2 wk after
Globe amaranth
Gomphrena globosa
Season too short
30 Apr – 14 May
6-8 wk
25 Jun
2 wk after
Corn poppy
Papaver rhoeas
14 Jun
13 Jul
0 wk
15 Jun
3 Jul
0 wk
Snapdragon
Antirrhinum majus
22 Mar – 19 Apr
8 May
8-12 wk
14 Jun
3 Jul
0 wk
24 Jun
1 wk after
Flossflower
Ageratum houstonianum
Fleece
25 Apr – 9 May
8-10 wk
4 Jul
3 wk after
Sweet pea
Lathyrus odoratus
19 Apr – 10 May
29 May
5-8 wk
14 Jun
3 Jul
0 wk
Stock
Matthiola incana
19 Apr – 3 May
1 Jun
6-8 wk
14 Jun
13 Jul
0 wk
27 Jun
3 Jul
2 wk after
Wormwood
Artemisia absinthium
19 Apr – 3 May
2 May
6-8 wk
14 Jun
0 wk
27 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
14 – 28 May
4-6 wk
25 Jun
2 wk after
Garden pansy
Viola × wittrockiana
5 – 19 Apr
18 May
8-10 wk
14 Jun
13 Jul
0 wk
24 Jun
3 Jul
1 wk after
Petunia
Petunia
Greenhouse
26 Mar – 23 Apr
16 Apr
8-12 wk
18 Jun
1 wk after
Sweet Scabious
Scabiosa atropurpurea
25 Apr – 9 May
2 May
6-8 wk
20 Jun
1 wk after
27 Jul
6 wk after
Common zinnia
Zinnia elegans
Greenhouse
7 – 21 May
12 May
4-6 wk
18 Jun
1 wk after
Common morning glory
Ipomoea purpurea
Season too short
21 May – 4 Jun
3-5 wk
25 Jun
2 wk after
Garden cosmos
Cosmos bipinnatus
Greenhouse
7 – 21 May
26 May
4-6 wk
18 Jun
23 Jun
1 wk after
27 Jun
2 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
11 Apr – 9 May
16 Apr
8-12 wk
4 Jul
3 wk after
Bee balm
Monarda didyma
22 Mar – 19 Apr
18 Apr
8-12 wk
14 Jun
0 wk
9 Jul
4 wk after
Yarrow
Achillea millefolium
19 Apr – 3 May
6-8 wk
14 Jun
0 wk
27 Jun
2 wk after
Safflower
Carthamus tinctorius
14 Jun
0 wk
15 Jun
0 wk
Iceland poppy
Papaver nudicaule
Season too short
19 Apr – 3 May
22 May
6-8 wk
14 Jun
3 Jul
0 wk
29 May
23 Jun
2 wk before
Bishop's flower
Ammi majus
3 – 17 May
5 Jun
4-6 wk
14 Jun
3 Jul
0 wk
27 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Season too short
2 – 16 Apr
10-12 wk
25 Jun
2 wk after
Sunflower
Helianthus annuus
6 – 13 Jun
12 Jun
3-4 wk
4 Jul
3 wk after
9 Jul
4 wk after
China aster
Callistephus chinensis
9 – 23 May
1 Jun
6-8 wk
4 Jul
13 Jul
3 wk after
27 Jul
6 wk after
Annual phlox
Phlox drummondii
Fleece
23 Apr – 7 May
26 Apr
6-8 wk
18 Jun
1 wk after
9 Jul
4 wk after
Hollyhock
Alcea rosea
19 Apr – 3 May
6-8 wk
14 Jun
0 wk
27 Jun
2 wk after
Alpine delphinium
Delphinium elatum
22 Mar – 19 Apr
18 Apr
8-12 wk
14 Jun
0 wk
9 Jul
4 wk after
African marigold
Tagetes erecta
Fleece
30 Apr – 14 May
6-8 wk
25 Jun
2 wk after
Black-eyed Susan
Rudbeckia hirta
25 Apr – 9 May
22 May
6-8 wk
20 Jun
3 Jul
1 wk after
27 Jul
6 wk after
Wood sage
Salvia nemorosa
5 – 19 Apr
8 Apr
8-10 wk
14 Jun
0 wk
9 Jul
4 wk after
Black-eyed susan vine
Thunbergia alata
Season too short
16 Apr – 14 May
6-10 wk
25 Jun
2 wk after
California goldenpoppy
Eschscholzia californica
14 Jun
13 Jul
0 wk
15 Jun
3 Jul
0 wk
Painted tongue
Salpiglossis sinuata
25 Apr – 9 May
7 May
8-10 wk
4 Jul
3 wk after
Water forget-me-not
Myosotis scorpioides
19 Apr – 3 May
2 May
6-8 wk
14 Jun
0 wk
27 Jun
2 wk after