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Method
Rel. frost
Last spring frost (0°C) 6 Jun Frost 1 of 4 years · 20 years of data
Frost-free season 113 days 6 Jun – 27 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)
18 Apr – 2 May
14 Jun
5-7 wk
6 Jun
19 Jul
0 wk
7 Jun
9 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
25 Apr – 9 May
26 Jun
4-6 wk
6 Jun
24 Jul
0 wk
7 Jun
14 Jul
0 wk
Chili pepper
Capsicum annuum
Season too short
20 Mar – 17 Apr
23 Mar
8-12 wk
12 Jun
1 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
18 Apr – 2 May
9 Jun
5-7 wk
6 Jun
14 Jul
0 wk
6 Jun
4 Jul
0 wk
Garden cucumber
Cucumis sativus
Greenhouse
15 – 22 May
8 Jun
3-4 wk
12 Jun
29 Jun
1 wk after
Florence Fennel
Foeniculum vulgare
Fleece
15 – 22 May
6 Jun
4-5 wk
19 Jun
4 Jul
2 wk after
1 Jul
4 wk after
Butter bean
Phaseolus lunatus
Season too short
17 – 24 Jun
3-4 wk
15 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
Greenhouse
14 Mar – 11 Apr
30 Mar
8-12 wk
6 Jun
0 wk
6 Jun
0 wk
Onion (sets)
Allium cepa (Cepa-gruppen)
7 Jun
0 wk
7 Jun
0 wk
Maize
Zea mays
Greenhouse
9 – 16 May
29 May
3-4 wk
6 Jun
19 Jun
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
11 – 18 May
3 Jul
3-4 wk
8 Jun
24 Jul
0 wk
19 Jun
14 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
6 Jun
4 Jul
0 wk
6 Jun
24 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
18 Apr – 2 May
9 Jun
5-7 wk
6 Jun
14 Jul
0 wk
6 Jun
4 Jul
0 wk
Potato
Solanum tuberosum
5 – 19 May
13 May
4-6 wk
16 Jun
1 wk after
16 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
18 Apr – 2 May
19 Jun
5-7 wk
6 Jun
24 Jul
0 wk
7 Jun
14 Jul
0 wk
Pumpkin
Cucurbita pepo
Fleece
22 – 29 May
13 Jun
3-4 wk
19 Jun
4 Jul
2 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
11 – 18 May
17 May
3-4 wk
8 Jun
0 wk
19 Jun
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
25 Apr – 9 May
21 Jun
4-6 wk
6 Jun
19 Jul
0 wk
Lettuce
Lactuca sativa
9 – 16 May
8 Jul
3-4 wk
6 Jun
29 Jul
0 wk
7 Jun
19 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
25 Apr – 9 May
21 Jun
4-6 wk
6 Jun
19 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
9 – 23 May
26 May
2-4 wk
6 Jun
9 Jun
0 wk
6 Jun
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
7 Jun
0 wk
7 Jun
0 wk
Spinach
Spinacia oleracea
9 – 16 May
23 Jul
3-4 wk
6 Jun
13 Aug
0 wk
3 Jun
3 Aug
0 wk
Sweet potato
Ipomoea batatas
1 – 15 Jul
4-6 wk
12 Aug
10 wk after
Garden tomato
Solanum lycopersicum
Greenhouse
11 – 25 Apr
8 May
6-8 wk
6 Jun
19 Jun
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Fleece
15 – 29 May
15 Jun
2-4 wk
12 Jun
29 Jun
1 wk after
1 Jul
4 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
25 Apr – 9 May
21 Jun
4-6 wk
6 Jun
19 Jul
0 wk
Garden pea
Pisum sativum
9 – 16 May
23 Jun
3-4 wk
6 Jun
14 Jul
0 wk
7 Jun
4 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
Greenhouse
1 – 15 May
4 Jun
4-6 wk
12 Jun
2 Jul
1 wk after
Lemon balm
Melissa officinalis
28 Mar – 11 Apr
19 May
8-10 wk
6 Jun
14 Jul
0 wk
1 Jul
4 Jul
4 wk after
Dill
Anethum graveolens
7 Jun
24 Jul
0 wk
Wild chives
Allium schoenoprasum
11 – 25 Apr
2 Jun
6-8 wk
6 Jun
14 Jul
0 wk
7 Jun
4 Jul
0 wk
Spearmint
Mentha spicata
14 Mar – 11 Apr
19 May
8-12 wk
6 Jun
14 Jul
0 wk
1 Jul
4 Jul
4 wk after
Coriander
Coriandrum sativum
6 Jun
13 Aug
0 wk
19 Jun
3 Aug
2 wk after
Garden sage
Salvia officinalis
30 Mar – 13 Apr
4 May
8-10 wk
8 Jun
29 Jun
0 wk
Common thyme
Thymus vulgaris
28 Mar – 11 Apr
9 May
8-10 wk
6 Jun
4 Jul
0 wk
Oregano
Origanum vulgare
11 – 25 Apr
23 May
6-8 wk
6 Jun
4 Jul
0 wk
1 Jul
4 wk after
Parsley
Petroselinum crispum
11 – 25 Apr
23 May
6-8 wk
6 Jun
4 Jul
0 wk
7 Jun
24 Jun
0 wk
Rosemary
Salvia rosmarinus
2 – 30 Mar
5 Apr
10-14 wk
8 Jun
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
Greenhouse
15 – 22 May
11 Jun
3-4 wk
12 Jun
2 Jul
1 wk after
Cornflower
Centaurea cyanus
6 Jun
14 Jul
0 wk
7 Jun
4 Jul
0 wk
Statice
Limonium sinuatum
Fleece
3 – 17 Apr
4 May
8-10 wk
12 Jun
29 Jun
1 wk after
Sweet William
Dianthus barbatus
11 – 25 Apr
6-8 wk
6 Jun
0 wk
16 Jun
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Fleece
17 Apr – 1 May
18 May
6-8 wk
12 Jun
29 Jun
1 wk after
26 Jul
7 wk after
Pinnate dahlia
Dahlia × pinnata
22 Apr – 6 May
11 May
6-8 wk
17 Jun
22 Jun
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
Fleece
24 Apr – 22 May
6 Jun
4-8 wk
19 Jun
4 Jul
2 wk after
19 Jun
24 Jun
2 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
Fleece
17 Apr – 1 May
28 May
6-8 wk
12 Jun
9 Jul
1 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
19 Apr
8-10 wk
8 Jun
14 Jun
0 wk
Love in a mist
Nigella damascena
6 Jun
29 Jun
0 wk
7 Jun
19 Jun
0 wk
Strawflower
Xerochrysum bracteatum
Fleece
17 Apr – 1 May
8 May
6-8 wk
12 Jun
19 Jun
1 wk after
26 Jul
7 wk after
Purple-top vervain
Verbena bonariensis
16 Mar – 13 Apr
19 Apr
8-12 wk
8 Jun
14 Jun
0 wk
Cardoon
Cynara cardunculus
Fleece
20 Mar – 17 Apr
20 Mar
8-12 wk
12 Jun
1 wk after
Regal-foxtail
Ptilotus nobilis
Greenhouse
20 Mar – 17 Apr
27 Apr
8-12 wk
12 Jun
22 Jun
1 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
17 Apr – 1 May
11 May
6-8 wk
12 Jun
22 Jun
1 wk after
Corn poppy
Papaver rhoeas
6 Jun
14 Jul
0 wk
7 Jun
4 Jul
0 wk
Snapdragon
Antirrhinum majus
14 Mar – 11 Apr
9 May
8-12 wk
6 Jun
4 Jul
0 wk
16 Jun
24 Jun
1 wk after
Flossflower
Ageratum houstonianum
Fleece
10 – 24 Apr
14 May
8-10 wk
19 Jun
9 Jul
2 wk after
Sweet pea
Lathyrus odoratus
11 Apr – 2 May
30 May
5-8 wk
6 Jun
4 Jul
0 wk
Stock
Matthiola incana
11 – 25 Apr
2 Jun
6-8 wk
6 Jun
14 Jul
0 wk
19 Jun
4 Jul
2 wk after
Wormwood
Artemisia absinthium
11 – 25 Apr
3 May
6-8 wk
6 Jun
14 Jun
0 wk
19 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
1 – 15 May
20 May
4-6 wk
12 Jun
17 Jun
1 wk after
Garden pansy
Viola × wittrockiana
28 Mar – 11 Apr
19 May
8-10 wk
6 Jun
14 Jul
0 wk
16 Jun
4 Jul
1 wk after
Petunia
Petunia
Fleece
20 Mar – 17 Apr
4 May
8-12 wk
12 Jun
29 Jun
1 wk after
Sweet Scabious
Scabiosa atropurpurea
13 – 27 Apr
3 May
6-8 wk
8 Jun
14 Jun
0 wk
19 Jul
6 wk after
Common zinnia
Zinnia elegans
Fleece
1 – 15 May
4 Jun
4-6 wk
12 Jun
2 Jul
1 wk after
Common morning glory
Ipomoea purpurea
Greenhouse
8 – 22 May
11 Jun
3-5 wk
12 Jun
2 Jul
1 wk after
Garden cosmos
Cosmos bipinnatus
Fleece
1 – 15 May
6 Jun
4-6 wk
12 Jun
4 Jul
1 wk after
1 Jul
4 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
27 Mar – 24 Apr
27 May
8-12 wk
19 Jun
22 Jul
2 wk after
Bee balm
Monarda didyma
14 Mar – 11 Apr
19 Apr
8-12 wk
6 Jun
14 Jun
0 wk
1 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
14 Jun
0 wk
7 Jun
0 wk
Iceland poppy
Papaver nudicaule
Season too short
11 – 25 Apr
23 May
6-8 wk
6 Jun
4 Jul
0 wk
21 May
24 Jun
2 wk before
Bishop's flower
Ammi majus
25 Apr – 9 May
6 Jun
4-6 wk
6 Jun
4 Jul
0 wk
19 Jun
24 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
20 Mar – 3 Apr
5 Apr
10-12 wk
12 Jun
14 Jun
1 wk after
Sunflower
Helianthus annuus
22 – 29 May
13 Jun
3-4 wk
19 Jun
4 Jul
2 wk after
1 Jul
4 wk after
China aster
Callistephus chinensis
24 Apr – 8 May
2 Jun
6-8 wk
19 Jun
14 Jul
2 wk after
19 Jul
6 wk after
Annual phlox
Phlox drummondii
17 Apr – 1 May
15 May
6-8 wk
12 Jun
26 Jun
1 wk after
19 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
19 Apr
8-12 wk
6 Jun
14 Jun
0 wk
1 Jul
4 wk after
African marigold
Tagetes erecta
Fleece
17 Apr – 1 May
28 May
6-8 wk
12 Jun
9 Jul
1 wk after
Black-eyed Susan
Rudbeckia hirta
13 – 27 Apr
23 May
6-8 wk
8 Jun
4 Jul
0 wk
19 Jul
6 wk after
Wood sage
Salvia nemorosa
28 Mar – 11 Apr
9 Apr
8-10 wk
6 Jun
0 wk
1 Jul
4 wk after
Black-eyed susan vine
Thunbergia alata
Greenhouse
3 Apr – 1 May
21 May
6-10 wk
12 Jun
2 Jul
1 wk after
California goldenpoppy
Eschscholzia californica
6 Jun
14 Jul
0 wk
7 Jun
4 Jul
0 wk
Painted tongue
Salpiglossis sinuata
10 – 24 Apr
5 May
8-10 wk
19 Jun
30 Jun
2 wk after
Water forget-me-not
Myosotis scorpioides
11 – 25 Apr
3 May
6-8 wk
6 Jun
14 Jun
0 wk
19 Jun
2 wk after