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Method
Rel. frost
Last spring frost (0°C) 6 Jun Frost 1 of 10 years · 20 years of data
Frost-free season 110 days 6 Jun – 24 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)
18 Apr – 2 May
10 Jun
5-7 wk
6 Jun
15 Jul
0 wk
7 Jun
5 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
25 Apr – 9 May
22 Jun
4-6 wk
6 Jun
20 Jul
0 wk
7 Jun
10 Jul
0 wk
Chili pepper
Capsicum annuum
Season too short
20 Mar – 17 Apr
8-12 wk
12 Jun
1 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
18 Apr – 2 May
5 Jun
5-7 wk
6 Jun
10 Jul
0 wk
6 Jun
30 Jun
0 wk
Garden cucumber
Cucumis sativus
Season too short
15 – 22 May
3-4 wk
12 Jun
1 wk after
Florence Fennel
Foeniculum vulgare
3 – 10 Jun
4-5 wk
8 Jul
5 wk after
19 Jul
6 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
26 Mar
8-12 wk
6 Jun
0 wk
6 Jun
0 wk
Onion (sets)
Allium cepa (Cepa-gruppen)
Fleece
3 Jun
6 Jun
0 wk
3 Jun
0 wk
Maize
Zea mays
Season too short
9 – 16 May
3-4 wk
6 Jun
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
11 – 18 May
29 Jun
3-4 wk
8 Jun
20 Jul
0 wk
19 Jun
10 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
6 Jun
30 Jun
0 wk
6 Jun
20 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
18 Apr – 2 May
5 Jun
5-7 wk
6 Jun
10 Jul
0 wk
6 Jun
30 Jun
0 wk
Potato
Solanum tuberosum
Fleece
26 Apr – 10 May
21 May
4-6 wk
7 Jun
18 Jun
0 wk
7 Jun
8 Jun
0 wk
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
18 Apr – 2 May
15 Jun
5-7 wk
6 Jun
20 Jul
0 wk
7 Jun
10 Jul
0 wk
Pumpkin
Cucurbita pepo
Greenhouse
15 – 22 May
18 May
3-4 wk
12 Jun
1 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
11 – 18 May
22 May
3-4 wk
8 Jun
12 Jun
0 wk
19 Jun
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
25 Apr – 9 May
17 Jun
4-6 wk
6 Jun
15 Jul
0 wk
Lettuce
Lactuca sativa
9 – 16 May
4 Jul
3-4 wk
6 Jun
25 Jul
0 wk
7 Jun
15 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
25 Apr – 9 May
17 Jun
4-6 wk
6 Jun
15 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
9 – 23 May
18 May
2-4 wk
6 Jun
0 wk
6 Jun
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
Fleece
3 Jun
6 Jun
0 wk
3 Jun
0 wk
Spinach
Spinacia oleracea
9 – 16 May
19 Jul
3-4 wk
6 Jun
9 Aug
0 wk
3 Jun
30 Jul
0 wk
Sweet potato
Ipomoea batatas
1 – 15 Jul
4-6 wk
12 Aug
10 wk after
Garden tomato
Solanum lycopersicum
Season too short
11 – 25 Apr
6-8 wk
6 Jun
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Greenhouse
9 – 23 May
20 May
2-4 wk
6 Jun
0 wk
19 Jun
2 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
25 Apr – 9 May
17 Jun
4-6 wk
6 Jun
15 Jul
0 wk
Garden pea
Pisum sativum
9 – 16 May
19 Jun
3-4 wk
6 Jun
10 Jul
0 wk
7 Jun
30 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
1 – 15 May
4-6 wk
12 Jun
1 wk after
Lemon balm
Melissa officinalis
28 Mar – 11 Apr
15 May
8-10 wk
6 Jun
10 Jul
0 wk
1 Jul
4 wk after
Dill
Anethum graveolens
7 Jun
20 Jul
0 wk
Wild chives
Allium schoenoprasum
11 – 25 Apr
29 May
6-8 wk
6 Jun
10 Jul
0 wk
7 Jun
30 Jun
0 wk
Spearmint
Mentha spicata
14 Mar – 11 Apr
15 May
8-12 wk
6 Jun
10 Jul
0 wk
1 Jul
4 wk after
Coriander
Coriandrum sativum
6 Jun
9 Aug
0 wk
19 Jun
30 Jul
2 wk after
Garden sage
Salvia officinalis
30 Mar – 13 Apr
30 Apr
8-10 wk
8 Jun
25 Jun
0 wk
Common thyme
Thymus vulgaris
28 Mar – 11 Apr
5 May
8-10 wk
6 Jun
30 Jun
0 wk
Oregano
Origanum vulgare
11 – 25 Apr
19 May
6-8 wk
6 Jun
30 Jun
0 wk
1 Jul
4 wk after
Parsley
Petroselinum crispum
11 – 25 Apr
19 May
6-8 wk
6 Jun
30 Jun
0 wk
7 Jun
20 Jun
0 wk
Rosemary
Salvia rosmarinus
2 – 30 Mar
1 Apr
10-14 wk
8 Jun
10 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
3-4 wk
12 Jun
1 wk after
Cornflower
Centaurea cyanus
6 Jun
10 Jul
0 wk
7 Jun
30 Jun
0 wk
Statice
Limonium sinuatum
Greenhouse
28 Mar – 11 Apr
19 Apr
8-10 wk
6 Jun
14 Jun
0 wk
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
Greenhouse
11 – 25 Apr
3 May
6-8 wk
6 Jun
14 Jun
0 wk
8 Jul
5 wk after
Pinnate dahlia
Dahlia × pinnata
Fleece
13 – 27 Apr
28 Apr
6-8 wk
8 Jun
9 Jun
0 wk
Pinnate dahlia (tubers)
Dahlia × pinnata
Greenhouse
17 Apr – 15 May
21 May
4-8 wk
12 Jun
18 Jun
1 wk after
12 Jun
1 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
Fleece
27 Mar – 24 Apr
14 May
8-12 wk
19 Jun
9 Jul
2 wk after
Creeping zinnia
Sanvitalia procumbens
Fleece
17 Apr – 1 May
17 Apr
6-8 wk
12 Jun
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
15 Apr
8-10 wk
8 Jun
10 Jun
0 wk
Love in a mist
Nigella damascena
6 Jun
25 Jun
0 wk
7 Jun
15 Jun
0 wk
Strawflower
Xerochrysum bracteatum
Greenhouse
11 – 25 Apr
23 Apr
6-8 wk
6 Jun
0 wk
8 Jul
5 wk after
Purple-top vervain
Verbena bonariensis
16 Mar – 13 Apr
15 Apr
8-12 wk
8 Jun
10 Jun
0 wk
Cardoon
Cynara cardunculus
Fleece
20 Mar – 17 Apr
8-12 wk
12 Jun
1 wk after
Regal-foxtail
Ptilotus nobilis
Season too short
20 Mar – 17 Apr
8-12 wk
12 Jun
1 wk after
Globe amaranth
Gomphrena globosa
Season too short
17 Apr – 1 May
6-8 wk
12 Jun
1 wk after
Corn poppy
Papaver rhoeas
6 Jun
10 Jul
0 wk
7 Jun
30 Jun
0 wk
Snapdragon
Antirrhinum majus
14 Mar – 11 Apr
5 May
8-12 wk
6 Jun
30 Jun
0 wk
16 Jun
20 Jun
1 wk after
Flossflower
Ageratum houstonianum
Greenhouse
3 – 17 Apr
29 Apr
8-10 wk
12 Jun
24 Jun
1 wk after
Sweet pea
Lathyrus odoratus
11 Apr – 2 May
26 May
5-8 wk
6 Jun
30 Jun
0 wk
Stock
Matthiola incana
11 – 25 Apr
29 May
6-8 wk
6 Jun
10 Jul
0 wk
19 Jun
30 Jun
2 wk after
Wormwood
Artemisia absinthium
11 – 25 Apr
29 Apr
6-8 wk
6 Jun
10 Jun
0 wk
19 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
1 – 15 May
4-6 wk
12 Jun
1 wk after
Garden pansy
Viola × wittrockiana
28 Mar – 11 Apr
15 May
8-10 wk
6 Jun
10 Jul
0 wk
16 Jun
30 Jun
1 wk after
Petunia
Petunia
Greenhouse
14 Mar – 11 Apr
19 Apr
8-12 wk
6 Jun
14 Jun
0 wk
Sweet Scabious
Scabiosa atropurpurea
13 – 27 Apr
29 Apr
6-8 wk
8 Jun
10 Jun
0 wk
19 Jul
6 wk after
Common zinnia
Zinnia elegans
Fleece
1 – 15 May
4-6 wk
12 Jun
1 wk after
Common morning glory
Ipomoea purpurea
Greenhouse
8 – 22 May
3-5 wk
12 Jun
1 wk after
Garden cosmos
Cosmos bipinnatus
Fleece
1 – 15 May
12 May
4-6 wk
12 Jun
1 wk after
1 Jul
4 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
27 Mar – 24 Apr
18 Apr
8-12 wk
19 Jun
2 wk after
Bee balm
Monarda didyma
14 Mar – 11 Apr
15 Apr
8-12 wk
6 Jun
10 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
10 Jun
0 wk
7 Jun
0 wk
Iceland poppy
Papaver nudicaule
Season too short
11 – 25 Apr
19 May
6-8 wk
6 Jun
30 Jun
0 wk
21 May
20 Jun
2 wk before
Bishop's flower
Ammi majus
25 Apr – 9 May
2 Jun
4-6 wk
6 Jun
30 Jun
0 wk
19 Jun
20 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Season too short
20 Mar – 3 Apr
10-12 wk
12 Jun
1 wk after
Sunflower
Helianthus annuus
22 – 29 May
9 Jun
3-4 wk
19 Jun
30 Jun
2 wk after
1 Jul
4 wk after
China aster
Callistephus chinensis
24 Apr – 8 May
29 May
6-8 wk
19 Jun
10 Jul
2 wk after
19 Jul
6 wk after
Annual phlox
Phlox drummondii
Fleece
11 – 25 Apr
17 Apr
6-8 wk
6 Jun
0 wk
1 Jul
4 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
15 Apr
8-12 wk
6 Jun
10 Jun
0 wk
1 Jul
4 wk after
African marigold
Tagetes erecta
Fleece
17 Apr – 1 May
17 Apr
6-8 wk
12 Jun
1 wk after
Black-eyed Susan
Rudbeckia hirta
13 – 27 Apr
19 May
6-8 wk
8 Jun
30 Jun
0 wk
19 Jul
6 wk after
Wood sage
Salvia nemorosa
28 Mar – 11 Apr
5 Apr
8-10 wk
6 Jun
0 wk
1 Jul
4 wk after
Black-eyed susan vine
Thunbergia alata
Greenhouse
3 Apr – 1 May
12 Apr
6-10 wk
12 Jun
1 wk after
California goldenpoppy
Eschscholzia californica
6 Jun
10 Jul
0 wk
7 Jun
30 Jun
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
29 Apr
6-8 wk
6 Jun
10 Jun
0 wk
19 Jun
2 wk after