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Method
Rel. frost
Last spring frost (0°C) 29 Jun Frost 1 of 10 years · 20 years of data
Frost-free season 75 days 29 Jun – 12 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)
11 – 25 May
13 Jun
5-7 wk
29 Jun
18 Jul
0 wk
30 Jun
8 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
18 May – 1 Jun
25 Jun
4-6 wk
29 Jun
23 Jul
0 wk
30 Jun
13 Jul
0 wk
Chili pepper
Capsicum annuum
Season too short
12 Apr – 10 May
8-12 wk
5 Jul
1 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
11 – 25 May
8 Jun
5-7 wk
29 Jun
13 Jul
0 wk
29 Jun
3 Jul
0 wk
Garden cucumber
Cucumis sativus
Season too short
7 – 14 Jun
3-4 wk
5 Jul
1 wk after
Florence Fennel
Foeniculum vulgare
Fleece
7 – 14 Jun
4-5 wk
12 Jul
2 wk after
24 Jul
4 wk after
Butter bean
Phaseolus lunatus
Season too short
10 – 17 Jul
3-4 wk
7 Aug
6 wk after
Onion
Allium cepa (Cepa-gruppen)
Season too short
6 Apr – 4 May
8-12 wk
29 Jun
0 wk
29 Jun
0 wk
Onion (sets)
Allium cepa (Cepa-gruppen)
Fleece
26 Jun
0 wk
26 Jun
0 wk
Maize
Zea mays
Season too short
1 – 8 Jun
3-4 wk
29 Jun
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
3 – 10 Jun
2 Jul
3-4 wk
1 Jul
23 Jul
0 wk
12 Jul
13 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
29 Jun
3 Jul
0 wk
29 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
11 – 25 May
8 Jun
5-7 wk
29 Jun
13 Jul
0 wk
29 Jun
3 Jul
0 wk
Potato
Solanum tuberosum
Fleece
19 May – 2 Jun
19 May
4-6 wk
30 Jun
0 wk
30 Jun
0 wk
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
11 – 25 May
18 Jun
5-7 wk
29 Jun
23 Jul
0 wk
30 Jun
13 Jul
0 wk
Pumpkin
Cucurbita pepo
Season too short
7 – 14 Jun
3-4 wk
5 Jul
1 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
Fleece
1 – 8 Jun
3-4 wk
29 Jun
0 wk
5 Jul
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
18 May – 1 Jun
20 Jun
4-6 wk
29 Jun
18 Jul
0 wk
Lettuce
Lactuca sativa
1 – 8 Jun
7 Jul
3-4 wk
29 Jun
28 Jul
0 wk
30 Jun
18 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
18 May – 1 Jun
20 Jun
4-6 wk
29 Jun
18 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
Fleece
26 May – 9 Jun
29 May
2-4 wk
23 Jun
1 wk before
23 Jun
1 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
Fleece
26 Jun
0 wk
26 Jun
0 wk
Spinach
Spinacia oleracea
1 – 8 Jun
22 Jul
3-4 wk
29 Jun
12 Aug
0 wk
26 Jun
2 Aug
0 wk
Sweet potato
Ipomoea batatas
24 Jul – 7 Aug
4-6 wk
4 Sep
10 wk after
Garden tomato
Solanum lycopersicum
Season too short
4 – 18 May
6-8 wk
29 Jun
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Season too short
1 – 15 Jun
2-4 wk
29 Jun
0 wk
12 Jul
2 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
18 May – 1 Jun
20 Jun
4-6 wk
29 Jun
18 Jul
0 wk
Garden pea
Pisum sativum
1 – 8 Jun
22 Jun
3-4 wk
29 Jun
13 Jul
0 wk
30 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
24 May – 7 Jun
4-6 wk
5 Jul
1 wk after
Lemon balm
Melissa officinalis
20 Apr – 4 May
18 May
8-10 wk
29 Jun
13 Jul
0 wk
24 Jul
4 wk after
Dill
Anethum graveolens
30 Jun
23 Jul
0 wk
Wild chives
Allium schoenoprasum
4 – 18 May
1 Jun
6-8 wk
29 Jun
13 Jul
0 wk
30 Jun
3 Jul
0 wk
Spearmint
Mentha spicata
6 Apr – 4 May
18 May
8-12 wk
29 Jun
13 Jul
0 wk
24 Jul
4 wk after
Coriander
Coriandrum sativum
29 Jun
12 Aug
0 wk
12 Jul
2 Aug
2 wk after
Garden sage
Salvia officinalis
22 Apr – 6 May
3 May
8-10 wk
1 Jul
0 wk
Common thyme
Thymus vulgaris
20 Apr – 4 May
8 May
8-10 wk
29 Jun
3 Jul
0 wk
Oregano
Origanum vulgare
4 – 18 May
22 May
6-8 wk
29 Jun
3 Jul
0 wk
24 Jul
4 wk after
Parsley
Petroselinum crispum
4 – 18 May
22 May
6-8 wk
29 Jun
3 Jul
0 wk
30 Jun
0 wk
Rosemary
Salvia rosmarinus
Fleece
23 Mar – 20 Apr
4 Apr
10-14 wk
29 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
7 – 14 Jun
3-4 wk
5 Jul
1 wk after
Cornflower
Centaurea cyanus
29 Jun
13 Jul
0 wk
30 Jun
3 Jul
0 wk
Statice
Limonium sinuatum
Season too short
20 Apr – 4 May
8-10 wk
29 Jun
0 wk
Sweet William
Dianthus barbatus
4 – 18 May
6-8 wk
29 Jun
0 wk
9 Jul
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Season too short
4 – 18 May
6-8 wk
29 Jun
0 wk
31 Jul
5 wk after
Pinnate dahlia
Dahlia × pinnata
Season too short
4 – 18 May
6-8 wk
29 Jun
0 wk
Pinnate dahlia (tubers)
Dahlia × pinnata
Season too short
10 May – 7 Jun
4-8 wk
5 Jul
1 wk after
5 Jul
1 wk after
Foxglove
Digitalis purpurea
20 Apr – 4 May
8-10 wk
29 Jun
0 wk
12 Jul
2 wk after
Busy lizzie
Impatiens walleriana
Season too short
12 Apr – 10 May
30 Apr
8-12 wk
5 Jul
1 wk after
Creeping zinnia
Sanvitalia procumbens
Season too short
4 – 18 May
6-8 wk
29 Jun
0 wk
Hyacinth bean
Dolichos lablab
Season too short
31 May – 14 Jun
4-6 wk
12 Jul
2 wk after
Chinese lantern
Physalis alkekengi
22 Apr – 6 May
8-10 wk
1 Jul
0 wk
Love in a mist
Nigella damascena
29 Jun
0 wk
30 Jun
0 wk
Strawflower
Xerochrysum bracteatum
Season too short
4 – 18 May
6-8 wk
29 Jun
0 wk
31 Jul
5 wk after
Purple-top vervain
Verbena bonariensis
8 Apr – 6 May
18 Apr
8-12 wk
1 Jul
0 wk
Cardoon
Cynara cardunculus
Season too short
6 Apr – 4 May
8-12 wk
29 Jun
0 wk
Regal-foxtail
Ptilotus nobilis
Season too short
12 Apr – 10 May
8-12 wk
5 Jul
1 wk after
Globe amaranth
Gomphrena globosa
Season too short
10 – 24 May
6-8 wk
5 Jul
1 wk after
Corn poppy
Papaver rhoeas
29 Jun
13 Jul
0 wk
30 Jun
3 Jul
0 wk
Snapdragon
Antirrhinum majus
6 Apr – 4 May
8 May
8-12 wk
29 Jun
3 Jul
0 wk
9 Jul
1 wk after
Flossflower
Ageratum houstonianum
Season too short
26 Apr – 10 May
8-10 wk
5 Jul
1 wk after
Sweet pea
Lathyrus odoratus
4 – 25 May
29 May
5-8 wk
29 Jun
3 Jul
0 wk
Stock
Matthiola incana
4 – 18 May
1 Jun
6-8 wk
29 Jun
13 Jul
0 wk
12 Jul
2 wk after
Wormwood
Artemisia absinthium
4 – 18 May
6-8 wk
29 Jun
0 wk
12 Jul
2 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
24 May – 7 Jun
4-6 wk
5 Jul
1 wk after
Garden pansy
Viola × wittrockiana
20 Apr – 4 May
18 May
8-10 wk
29 Jun
13 Jul
0 wk
9 Jul
1 wk after
Petunia
Petunia
Season too short
6 Apr – 4 May
8-12 wk
29 Jun
0 wk
Sweet Scabious
Scabiosa atropurpurea
6 – 20 May
6-8 wk
1 Jul
0 wk
11 Aug
6 wk after
Common zinnia
Zinnia elegans
Season too short
18 May – 1 Jun
4-6 wk
29 Jun
0 wk
Common morning glory
Ipomoea purpurea
Season too short
31 May – 14 Jun
3-5 wk
5 Jul
1 wk after
Garden cosmos
Cosmos bipinnatus
Season too short
18 May – 1 Jun
4-6 wk
29 Jun
0 wk
12 Jul
2 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
19 Apr – 17 May
8-12 wk
12 Jul
2 wk after
Bee balm
Monarda didyma
6 Apr – 4 May
18 Apr
8-12 wk
29 Jun
0 wk
24 Jul
4 wk after
Yarrow
Achillea millefolium
4 – 18 May
6-8 wk
29 Jun
0 wk
12 Jul
2 wk after
Safflower
Carthamus tinctorius
29 Jun
0 wk
30 Jun
0 wk
Iceland poppy
Papaver nudicaule
Season too short
4 – 18 May
22 May
6-8 wk
29 Jun
3 Jul
0 wk
13 Jun
23 Jun
2 wk before
Bishop's flower
Ammi majus
18 May – 1 Jun
5 Jun
4-6 wk
29 Jun
3 Jul
0 wk
12 Jul
2 wk after
Drumsticks
Pycnosorus globosus
Season too short
12 – 26 Apr
10-12 wk
5 Jul
1 wk after
Sunflower
Helianthus annuus
Fleece
7 – 14 Jun
12 Jun
3-4 wk
5 Jul
1 wk after
12 Jul
2 wk after
China aster
Callistephus chinensis
17 – 31 May
28 May
6-8 wk
12 Jul
2 wk after
11 Aug
6 wk after
Annual phlox
Phlox drummondii
Season too short
4 – 18 May
6-8 wk
29 Jun
0 wk
12 Jul
2 wk after
Hollyhock
Alcea rosea
4 – 18 May
6-8 wk
29 Jun
0 wk
12 Jul
2 wk after
Alpine delphinium
Delphinium elatum
6 Apr – 4 May
18 Apr
8-12 wk
29 Jun
0 wk
24 Jul
4 wk after
African marigold
Tagetes erecta
Season too short
4 – 18 May
6-8 wk
29 Jun
0 wk
Black-eyed Susan
Rudbeckia hirta
6 – 20 May
18 May
6-8 wk
1 Jul
0 wk
11 Aug
6 wk after
Wood sage
Salvia nemorosa
20 Apr – 4 May
8-10 wk
29 Jun
0 wk
24 Jul
4 wk after
Black-eyed susan vine
Thunbergia alata
Season too short
26 Apr – 24 May
6-10 wk
5 Jul
1 wk after
California goldenpoppy
Eschscholzia californica
29 Jun
13 Jul
0 wk
30 Jun
3 Jul
0 wk
Painted tongue
Salpiglossis sinuata
Fleece
26 Apr – 10 May
8 May
8-10 wk
5 Jul
1 wk after
Water forget-me-not
Myosotis scorpioides
4 – 18 May
6-8 wk
29 Jun
0 wk
12 Jul
2 wk after