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Method
Rel. frost
Last spring frost (0°C) 7 Jun Frost 1 of 10 years · 20 years of data
Frost-free season 118 days 7 Jun – 3 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)
19 Apr – 3 May
18 Jun
5-7 wk
7 Jun
23 Jul
0 wk
31 May
13 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
26 Apr – 10 May
30 Jun
4-6 wk
7 Jun
28 Jul
0 wk
31 May
18 Jul
1 wk before
Chili pepper
Capsicum annuum
Season too short
21 Mar – 18 Apr
8-12 wk
13 Jun
1 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
19 Apr – 3 May
13 Jun
5-7 wk
7 Jun
18 Jul
0 wk
26 May
8 Jul
2 wk before
Garden cucumber
Cucumis sativus
Season too short
16 – 23 May
3-4 wk
13 Jun
1 wk after
Florence Fennel
Foeniculum vulgare
Fleece
16 – 23 May
10 Jun
4-5 wk
20 Jun
8 Jul
2 wk after
28 Jun
28 Jun
3 wk after
Butter bean
Phaseolus lunatus
Season too short
18 – 25 Jun
3-4 wk
16 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
Fleece
15 Mar – 12 Apr
1 Apr
8-12 wk
7 Jun
0 wk
6 Jun
0 wk
Onion (sets)
Allium cepa (Cepa-gruppen)
31 May
11 Jun
1 wk before
31 May
1 Jun
1 wk before
Maize
Zea mays
Season too short
10 – 17 May
3-4 wk
7 Jun
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
12 – 19 May
7 Jul
3-4 wk
9 Jun
28 Jul
0 wk
17 Jun
18 Jul
1 wk after
Carrot
Daucus carota subsp. sativus var. sativus
7 Jun
8 Jul
0 wk
26 May
28 Jun
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
19 Apr – 3 May
13 Jun
5-7 wk
7 Jun
18 Jul
0 wk
26 May
8 Jul
2 wk before
Potato
Solanum tuberosum
Fleece
19 Apr – 3 May
3 Jun
4-6 wk
31 May
1 Jul
1 wk before
31 May
21 Jun
1 wk before
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
19 Apr – 3 May
23 Jun
5-7 wk
7 Jun
28 Jul
0 wk
31 May
18 Jul
1 wk before
Pumpkin
Cucurbita pepo
Season too short
16 – 23 May
3-4 wk
13 Jun
1 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
12 – 19 May
3-4 wk
9 Jun
0 wk
17 Jun
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
26 Apr – 10 May
25 Jun
4-6 wk
7 Jun
23 Jul
0 wk
Lettuce
Lactuca sativa
10 – 17 May
12 Jul
3-4 wk
7 Jun
2 Aug
0 wk
31 May
23 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
26 Apr – 10 May
25 Jun
4-6 wk
7 Jun
23 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
28 Apr – 12 May
1 Jun
2-4 wk
26 May
15 Jun
2 wk before
26 May
5 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
31 May
11 Jun
1 wk before
31 May
1 Jun
1 wk before
Spinach
Spinacia oleracea
10 – 17 May
27 Jul
3-4 wk
7 Jun
17 Aug
0 wk
20 May
7 Aug
3 wk before
Sweet potato
Ipomoea batatas
4 – 18 Jul
4-6 wk
15 Aug
10 wk after
Garden tomato
Solanum lycopersicum
Season too short
12 – 26 Apr
6-8 wk
7 Jun
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Season too short
10 – 24 May
2-4 wk
7 Jun
0 wk
17 Jun
1 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
26 Apr – 10 May
25 Jun
4-6 wk
7 Jun
23 Jul
0 wk
Garden pea
Pisum sativum
10 – 17 May
27 Jun
3-4 wk
7 Jun
18 Jul
0 wk
31 May
8 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
Season too short
2 – 16 May
4-6 wk
13 Jun
1 wk after
Lemon balm
Melissa officinalis
29 Mar – 12 Apr
23 May
8-10 wk
7 Jun
18 Jul
0 wk
28 Jun
8 Jul
3 wk after
Dill
Anethum graveolens
31 May
28 Jul
1 wk before
Wild chives
Allium schoenoprasum
12 – 26 Apr
6 Jun
6-8 wk
7 Jun
18 Jul
0 wk
31 May
8 Jul
1 wk before
Spearmint
Mentha spicata
15 Mar – 12 Apr
23 May
8-12 wk
7 Jun
18 Jul
0 wk
28 Jun
8 Jul
3 wk after
Coriander
Coriandrum sativum
7 Jun
17 Aug
0 wk
17 Jun
7 Aug
1 wk after
Garden sage
Salvia officinalis
31 Mar – 14 Apr
8 May
8-10 wk
9 Jun
3 Jul
0 wk
Common thyme
Thymus vulgaris
29 Mar – 12 Apr
13 May
8-10 wk
7 Jun
8 Jul
0 wk
Oregano
Origanum vulgare
12 – 26 Apr
27 May
6-8 wk
7 Jun
8 Jul
0 wk
28 Jun
28 Jun
3 wk after
Parsley
Petroselinum crispum
12 – 26 Apr
27 May
6-8 wk
7 Jun
8 Jul
0 wk
31 May
28 Jun
1 wk before
Rosemary
Salvia rosmarinus
3 – 31 Mar
9 Apr
10-14 wk
9 Jun
18 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
Season too short
16 – 23 May
3-4 wk
13 Jun
1 wk after
Cornflower
Centaurea cyanus
7 Jun
18 Jul
0 wk
31 May
8 Jul
1 wk before
Statice
Limonium sinuatum
Fleece
4 – 18 Apr
6 Apr
8-10 wk
13 Jun
1 wk after
Sweet William
Dianthus barbatus
12 – 26 Apr
6-8 wk
7 Jun
0 wk
12 Jun
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Fleece
18 Apr – 2 May
20 Apr
6-8 wk
13 Jun
1 wk after
23 Jul
7 wk after
Pinnate dahlia
Dahlia × pinnata
Fleece
14 – 28 Apr
29 Apr
6-8 wk
9 Jun
10 Jun
0 wk
Pinnate dahlia (tubers)
Dahlia × pinnata
Greenhouse
11 Apr – 9 May
30 May
4-8 wk
6 Jun
27 Jun
0 wk
6 Jun
17 Jun
0 wk
Foxglove
Digitalis purpurea
29 Mar – 12 Apr
8-10 wk
7 Jun
0 wk
17 Jun
1 wk after
Busy lizzie
Impatiens walleriana
Fleece
28 Mar – 25 Apr
27 Apr
8-12 wk
20 Jun
22 Jun
2 wk after
Creeping zinnia
Sanvitalia procumbens
Fleece
18 Apr – 2 May
30 Apr
6-8 wk
13 Jun
1 wk after
Hyacinth bean
Dolichos lablab
Season too short
9 – 23 May
4-6 wk
20 Jun
2 wk after
Chinese lantern
Physalis alkekengi
31 Mar – 14 Apr
23 Apr
8-10 wk
9 Jun
18 Jun
0 wk
Love in a mist
Nigella damascena
7 Jun
3 Jul
0 wk
31 May
23 Jun
1 wk before
Strawflower
Xerochrysum bracteatum
Greenhouse
12 – 26 Apr
30 Apr
6-8 wk
7 Jun
11 Jun
0 wk
5 Jul
4 wk after
Purple-top vervain
Verbena bonariensis
17 Mar – 14 Apr
23 Apr
8-12 wk
9 Jun
18 Jun
0 wk
Cardoon
Cynara cardunculus
Fleece
21 Mar – 18 Apr
24 Mar
8-12 wk
13 Jun
1 wk after
Regal-foxtail
Ptilotus nobilis
Season too short
21 Mar – 18 Apr
8-12 wk
13 Jun
1 wk after
Globe amaranth
Gomphrena globosa
Season too short
18 Apr – 2 May
6-8 wk
13 Jun
1 wk after
Corn poppy
Papaver rhoeas
7 Jun
18 Jul
0 wk
31 May
8 Jul
1 wk before
Snapdragon
Antirrhinum majus
15 Mar – 12 Apr
13 May
8-12 wk
7 Jun
8 Jul
0 wk
12 Jun
28 Jun
1 wk after
Flossflower
Ageratum houstonianum
Fleece
11 – 25 Apr
16 Apr
8-10 wk
20 Jun
2 wk after
Sweet pea
Lathyrus odoratus
12 Apr – 3 May
3 Jun
5-8 wk
7 Jun
8 Jul
0 wk
Stock
Matthiola incana
12 – 26 Apr
6 Jun
6-8 wk
7 Jun
18 Jul
0 wk
17 Jun
8 Jul
1 wk after
Wormwood
Artemisia absinthium
12 – 26 Apr
7 May
6-8 wk
7 Jun
18 Jun
0 wk
17 Jun
1 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
2 – 16 May
4-6 wk
13 Jun
1 wk after
Garden pansy
Viola × wittrockiana
29 Mar – 12 Apr
23 May
8-10 wk
7 Jun
18 Jul
0 wk
12 Jun
8 Jul
1 wk after
Petunia
Petunia
Fleece
21 Mar – 18 Apr
6 Apr
8-12 wk
13 Jun
1 wk after
Sweet Scabious
Scabiosa atropurpurea
14 – 28 Apr
7 May
6-8 wk
9 Jun
18 Jun
0 wk
13 Jul
5 wk after
Common zinnia
Zinnia elegans
Greenhouse
26 Apr – 10 May
23 May
4-6 wk
7 Jun
20 Jun
0 wk
Common morning glory
Ipomoea purpurea
Season too short
9 – 23 May
3-5 wk
13 Jun
1 wk after
Garden cosmos
Cosmos bipinnatus
Fleece
2 – 16 May
13 May
4-6 wk
13 Jun
1 wk after
28 Jun
3 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
28 Mar – 25 Apr
1 Apr
8-12 wk
20 Jun
2 wk after
Bee balm
Monarda didyma
15 Mar – 12 Apr
23 Apr
8-12 wk
7 Jun
18 Jun
0 wk
28 Jun
3 wk after
Yarrow
Achillea millefolium
12 – 26 Apr
6-8 wk
7 Jun
0 wk
17 Jun
1 wk after
Safflower
Carthamus tinctorius
7 Jun
18 Jun
0 wk
31 May
8 Jun
1 wk before
Iceland poppy
Papaver nudicaule
Season too short
12 – 26 Apr
27 May
6-8 wk
7 Jun
8 Jul
0 wk
29 Apr
28 Jun
6 wk before
Bishop's flower
Ammi majus
26 Apr – 10 May
10 Jun
4-6 wk
7 Jun
8 Jul
0 wk
17 Jun
28 Jun
1 wk after
Drumsticks
Pycnosorus globosus
Season too short
21 Mar – 4 Apr
10-12 wk
13 Jun
1 wk after
Sunflower
Helianthus annuus
23 – 30 May
17 Jun
3-4 wk
20 Jun
8 Jul
2 wk after
28 Jun
28 Jun
3 wk after
China aster
Callistephus chinensis
25 Apr – 9 May
6 Jun
6-8 wk
20 Jun
18 Jul
2 wk after
13 Jul
5 wk after
Annual phlox
Phlox drummondii
Fleece
12 – 26 Apr
30 Apr
6-8 wk
7 Jun
11 Jun
0 wk
28 Jun
3 wk after
Hollyhock
Alcea rosea
12 – 26 Apr
6-8 wk
7 Jun
0 wk
17 Jun
1 wk after
Alpine delphinium
Delphinium elatum
15 Mar – 12 Apr
23 Apr
8-12 wk
7 Jun
18 Jun
0 wk
28 Jun
3 wk after
African marigold
Tagetes erecta
Fleece
18 Apr – 2 May
30 Apr
6-8 wk
13 Jun
1 wk after
Black-eyed Susan
Rudbeckia hirta
14 – 28 Apr
27 May
6-8 wk
9 Jun
8 Jul
0 wk
13 Jul
5 wk after
Wood sage
Salvia nemorosa
29 Mar – 12 Apr
13 Apr
8-10 wk
7 Jun
8 Jun
0 wk
28 Jun
3 wk after
Black-eyed susan vine
Thunbergia alata
Season too short
4 Apr – 2 May
6-10 wk
13 Jun
1 wk after
California goldenpoppy
Eschscholzia californica
7 Jun
18 Jul
0 wk
31 May
8 Jul
1 wk before
Painted tongue
Salpiglossis sinuata
11 – 25 Apr
11 May
8-10 wk
20 Jun
6 Jul
2 wk after
Water forget-me-not
Myosotis scorpioides
12 – 26 Apr
7 May
6-8 wk
7 Jun
18 Jun
0 wk
17 Jun
1 wk after