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Method
Rel. frost
Last spring frost (0°C) 1 Jun Frost 1 of 10 years · 20 years of data
Frost-free season 139 days 1 Jun – 18 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)
13 – 27 Apr
9 Jun
5-7 wk
1 Jun
14 Jul
0 wk
2 Jun
4 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
20 Apr – 4 May
21 Jun
4-6 wk
1 Jun
19 Jul
0 wk
2 Jun
9 Jul
0 wk
Chili pepper
Capsicum annuum
Season too short
15 Mar – 12 Apr
8-12 wk
7 Jun
1 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
13 – 27 Apr
4 Jun
5-7 wk
1 Jun
9 Jul
0 wk
1 Jun
29 Jun
0 wk
Garden cucumber
Cucumis sativus
Season too short
10 – 17 May
13 May
3-4 wk
7 Jun
1 wk after
Florence Fennel
Foeniculum vulgare
29 May – 5 Jun
1 Jun
4-5 wk
3 Jul
5 wk after
14 Jul
6 wk after
Butter bean
Phaseolus lunatus
Season too short
12 – 19 Jun
3-4 wk
10 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
Fleece
9 Mar – 6 Apr
25 Mar
8-12 wk
1 Jun
0 wk
7 Jun
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
Fleece
29 May
9 Jun
0 wk
29 May
30 May
0 wk
Maize
Zea mays
Greenhouse
4 – 11 May
3-4 wk
1 Jun
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
6 – 13 May
28 Jun
3-4 wk
3 Jun
19 Jul
0 wk
14 Jun
9 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
1 Jun
29 Jun
0 wk
1 Jun
19 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
13 – 27 Apr
4 Jun
5-7 wk
1 Jun
9 Jul
0 wk
1 Jun
29 Jun
0 wk
Potato
Solanum tuberosum
Fleece
21 Apr – 5 May
22 May
4-6 wk
2 Jun
19 Jun
0 wk
2 Jun
9 Jun
0 wk
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
13 – 27 Apr
14 Jun
5-7 wk
1 Jun
19 Jul
0 wk
2 Jun
9 Jul
0 wk
Pumpkin
Cucurbita pepo
Greenhouse
10 – 17 May
27 Jun
3-4 wk
7 Jun
18 Jul
1 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
6 – 13 May
12 May
3-4 wk
3 Jun
0 wk
14 Jun
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
20 Apr – 4 May
16 Jun
4-6 wk
1 Jun
14 Jul
0 wk
Lettuce
Lactuca sativa
4 – 11 May
3 Jul
3-4 wk
1 Jun
24 Jul
0 wk
2 Jun
14 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
20 Apr – 4 May
16 Jun
4-6 wk
1 Jun
14 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
Fleece
28 Apr – 12 May
26 May
2-4 wk
26 May
9 Jun
1 wk before
26 May
30 May
1 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
Fleece
29 May
9 Jun
0 wk
29 May
30 May
0 wk
Spinach
Spinacia oleracea
4 – 11 May
18 Jul
3-4 wk
1 Jun
8 Aug
0 wk
29 May
29 Jul
0 wk
Sweet potato
Ipomoea batatas
26 Jun – 10 Jul
4-6 wk
7 Aug
10 wk after
Garden tomato
Solanum lycopersicum
Greenhouse
6 – 20 Apr
12 Apr
6-8 wk
1 Jun
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Greenhouse
4 – 18 May
29 Jun
2-4 wk
1 Jun
13 Jul
0 wk
14 Jun
3 Jul
2 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
20 Apr – 4 May
16 Jun
4-6 wk
1 Jun
14 Jul
0 wk
Garden pea
Pisum sativum
4 – 11 May
18 Jun
3-4 wk
1 Jun
9 Jul
0 wk
2 Jun
29 Jun
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
26 Apr – 10 May
5 Jun
4-6 wk
7 Jun
3 Jul
1 wk after
Lemon balm
Melissa officinalis
23 Mar – 6 Apr
14 May
8-10 wk
1 Jun
9 Jul
0 wk
26 Jun
29 Jun
4 wk after
Dill
Anethum graveolens
2 Jun
19 Jul
0 wk
Wild chives
Allium schoenoprasum
6 – 20 Apr
28 May
6-8 wk
1 Jun
9 Jul
0 wk
2 Jun
29 Jun
0 wk
Spearmint
Mentha spicata
9 Mar – 6 Apr
14 May
8-12 wk
1 Jun
9 Jul
0 wk
26 Jun
29 Jun
4 wk after
Coriander
Coriandrum sativum
1 Jun
8 Aug
0 wk
14 Jun
29 Jul
2 wk after
Garden sage
Salvia officinalis
25 Mar – 8 Apr
29 Apr
8-10 wk
3 Jun
24 Jun
0 wk
Common thyme
Thymus vulgaris
23 Mar – 6 Apr
4 May
8-10 wk
1 Jun
29 Jun
0 wk
Oregano
Origanum vulgare
6 – 20 Apr
18 May
6-8 wk
1 Jun
29 Jun
0 wk
26 Jun
4 wk after
Parsley
Petroselinum crispum
6 – 20 Apr
18 May
6-8 wk
1 Jun
29 Jun
0 wk
2 Jun
19 Jun
0 wk
Rosemary
Salvia rosmarinus
25 Feb – 25 Mar
31 Mar
10-14 wk
3 Jun
9 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
10 – 17 May
12 Jun
3-4 wk
7 Jun
3 Jul
1 wk after
Cornflower
Centaurea cyanus
1 Jun
9 Jul
0 wk
2 Jun
29 Jun
0 wk
Statice
Limonium sinuatum
Fleece
29 Mar – 12 Apr
4 May
8-10 wk
7 Jun
29 Jun
1 wk after
Sweet William
Dianthus barbatus
6 – 20 Apr
6-8 wk
1 Jun
0 wk
11 Jun
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Fleece
12 – 26 Apr
18 May
6-8 wk
7 Jun
29 Jun
1 wk after
21 Jul
7 wk after
Pinnate dahlia
Dahlia × pinnata
17 Apr – 1 May
12 May
6-8 wk
12 Jun
23 Jun
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
Greenhouse
12 Apr – 10 May
1 Jun
4-8 wk
7 Jun
29 Jun
1 wk after
7 Jun
19 Jun
1 wk after
Foxglove
Digitalis purpurea
23 Mar – 6 Apr
8-10 wk
1 Jun
0 wk
14 Jun
2 wk after
Busy lizzie
Impatiens walleriana
Fleece
22 Mar – 19 Apr
23 Jun
8-12 wk
14 Jun
18 Aug
2 wk after
Creeping zinnia
Sanvitalia procumbens
Fleece
12 – 26 Apr
28 May
6-8 wk
7 Jun
9 Jul
1 wk after
Hyacinth bean
Dolichos lablab
Season too short
3 – 17 May
4-6 wk
14 Jun
2 wk after
Chinese lantern
Physalis alkekengi
25 Mar – 8 Apr
14 Apr
8-10 wk
3 Jun
9 Jun
0 wk
Love in a mist
Nigella damascena
1 Jun
24 Jun
0 wk
2 Jun
14 Jun
0 wk
Strawflower
Xerochrysum bracteatum
Fleece
12 – 26 Apr
8 May
6-8 wk
7 Jun
19 Jun
1 wk after
21 Jul
7 wk after
Purple-top vervain
Verbena bonariensis
11 Mar – 8 Apr
14 Apr
8-12 wk
3 Jun
9 Jun
0 wk
Cardoon
Cynara cardunculus
22 Mar – 19 Apr
8-12 wk
14 Jun
2 wk after
Regal-foxtail
Ptilotus nobilis
Greenhouse
15 Mar – 12 Apr
28 Apr
8-12 wk
7 Jun
23 Jun
1 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
12 – 26 Apr
12 May
6-8 wk
7 Jun
23 Jun
1 wk after
Corn poppy
Papaver rhoeas
1 Jun
9 Jul
0 wk
2 Jun
29 Jun
0 wk
Snapdragon
Antirrhinum majus
9 Mar – 6 Apr
4 May
8-12 wk
1 Jun
29 Jun
0 wk
11 Jun
19 Jun
1 wk after
Flossflower
Ageratum houstonianum
Fleece
5 – 19 Apr
14 May
8-10 wk
14 Jun
9 Jul
2 wk after
Sweet pea
Lathyrus odoratus
6 – 27 Apr
25 May
5-8 wk
1 Jun
29 Jun
0 wk
Stock
Matthiola incana
6 – 20 Apr
28 May
6-8 wk
1 Jun
9 Jul
0 wk
14 Jun
29 Jun
2 wk after
Wormwood
Artemisia absinthium
6 – 20 Apr
28 Apr
6-8 wk
1 Jun
9 Jun
0 wk
14 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
26 Apr – 10 May
21 May
4-6 wk
7 Jun
18 Jun
1 wk after
Garden pansy
Viola × wittrockiana
23 Mar – 6 Apr
14 May
8-10 wk
1 Jun
9 Jul
0 wk
11 Jun
29 Jun
1 wk after
Petunia
Petunia
Fleece
15 Mar – 12 Apr
4 May
8-12 wk
7 Jun
29 Jun
1 wk after
Sweet Scabious
Scabiosa atropurpurea
8 – 22 Apr
28 Apr
6-8 wk
3 Jun
9 Jun
0 wk
14 Jul
6 wk after
Common zinnia
Zinnia elegans
Fleece
26 Apr – 10 May
5 Jun
4-6 wk
7 Jun
3 Jul
1 wk after
Common morning glory
Ipomoea purpurea
Greenhouse
3 – 17 May
12 Jun
3-5 wk
7 Jun
3 Jul
1 wk after
Garden cosmos
Cosmos bipinnatus
3 – 17 May
26 May
4-6 wk
14 Jun
23 Jun
2 wk after
14 Jul
6 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
22 Mar – 19 Apr
28 May
8-12 wk
14 Jun
23 Jul
2 wk after
Bee balm
Monarda didyma
9 Mar – 6 Apr
14 Apr
8-12 wk
1 Jun
9 Jun
0 wk
26 Jun
4 wk after
Yarrow
Achillea millefolium
6 – 20 Apr
6-8 wk
1 Jun
0 wk
14 Jun
2 wk after
Safflower
Carthamus tinctorius
1 Jun
9 Jun
0 wk
2 Jun
0 wk
Iceland poppy
Papaver nudicaule
Season too short
6 – 20 Apr
18 May
6-8 wk
1 Jun
29 Jun
0 wk
16 May
19 Jun
2 wk before
Bishop's flower
Ammi majus
20 Apr – 4 May
1 Jun
4-6 wk
1 Jun
29 Jun
0 wk
14 Jun
19 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
15 – 29 Mar
31 Mar
10-12 wk
7 Jun
9 Jun
1 wk after
Sunflower
Helianthus annuus
17 – 24 May
8 Jun
3-4 wk
14 Jun
29 Jun
2 wk after
26 Jun
4 wk after
China aster
Callistephus chinensis
19 Apr – 3 May
28 May
6-8 wk
14 Jun
9 Jul
2 wk after
14 Jul
6 wk after
Annual phlox
Phlox drummondii
12 – 26 Apr
25 Apr
6-8 wk
7 Jun
1 wk after
14 Jul
6 wk after
Hollyhock
Alcea rosea
6 – 20 Apr
6-8 wk
1 Jun
0 wk
14 Jun
2 wk after
Alpine delphinium
Delphinium elatum
9 Mar – 6 Apr
14 Apr
8-12 wk
1 Jun
9 Jun
0 wk
26 Jun
4 wk after
African marigold
Tagetes erecta
Fleece
12 – 26 Apr
28 May
6-8 wk
7 Jun
9 Jul
1 wk after
Black-eyed Susan
Rudbeckia hirta
8 – 22 Apr
18 May
6-8 wk
3 Jun
29 Jun
0 wk
14 Jul
6 wk after
Wood sage
Salvia nemorosa
23 Mar – 6 Apr
4 Apr
8-10 wk
1 Jun
0 wk
26 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
Greenhouse
29 Mar – 26 Apr
22 May
6-10 wk
7 Jun
3 Jul
1 wk after
California goldenpoppy
Eschscholzia californica
1 Jun
9 Jul
0 wk
2 Jun
29 Jun
0 wk
Painted tongue
Salpiglossis sinuata
5 – 19 Apr
4 May
8-10 wk
14 Jun
29 Jun
2 wk after
Water forget-me-not
Myosotis scorpioides
6 – 20 Apr
28 Apr
6-8 wk
1 Jun
9 Jun
0 wk
14 Jun
2 wk after