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Method
Rel. frost
Last spring frost (0°C) 26 Jun Frost 1 of 10 years · 20 years of data
Frost-free season 80 days 26 Jun – 14 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)
8 – 22 May
11 Jun
5-7 wk
26 Jun
16 Jul
0 wk
27 Jun
6 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
15 – 29 May
23 Jun
4-6 wk
26 Jun
21 Jul
0 wk
27 Jun
11 Jul
0 wk
Chili pepper
Capsicum annuum
Season too short
9 Apr – 7 May
8-12 wk
2 Jul
1 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
8 – 22 May
6 Jun
5-7 wk
26 Jun
11 Jul
0 wk
26 Jun
1 Jul
0 wk
Garden cucumber
Cucumis sativus
Season too short
4 – 11 Jun
3-4 wk
2 Jul
1 wk after
Florence Fennel
Foeniculum vulgare
Fleece
4 – 11 Jun
4-5 wk
9 Jul
2 wk after
21 Jul
4 wk after
Butter bean
Phaseolus lunatus
Season too short
7 – 14 Jul
3-4 wk
4 Aug
6 wk after
Onion
Allium cepa (Cepa-gruppen)
Season too short
3 Apr – 1 May
8-12 wk
26 Jun
0 wk
26 Jun
0 wk
Onion (sets)
Allium cepa (Cepa-gruppen)
Fleece
23 Jun
0 wk
23 Jun
0 wk
Maize
Zea mays
Season too short
29 May – 5 Jun
3-4 wk
26 Jun
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
31 May – 7 Jun
30 Jun
3-4 wk
28 Jun
21 Jul
0 wk
9 Jul
11 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
26 Jun
1 Jul
0 wk
26 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
8 – 22 May
6 Jun
5-7 wk
26 Jun
11 Jul
0 wk
26 Jun
1 Jul
0 wk
Potato
Solanum tuberosum
Fleece
16 – 30 May
18 May
4-6 wk
27 Jun
0 wk
27 Jun
0 wk
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
8 – 22 May
16 Jun
5-7 wk
26 Jun
21 Jul
0 wk
27 Jun
11 Jul
0 wk
Pumpkin
Cucurbita pepo
Season too short
4 – 11 Jun
3-4 wk
2 Jul
1 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
Fleece
29 May – 5 Jun
3-4 wk
26 Jun
0 wk
2 Jul
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
15 – 29 May
18 Jun
4-6 wk
26 Jun
16 Jul
0 wk
Lettuce
Lactuca sativa
29 May – 5 Jun
5 Jul
3-4 wk
26 Jun
26 Jul
0 wk
27 Jun
16 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
15 – 29 May
18 Jun
4-6 wk
26 Jun
16 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
Fleece
23 May – 6 Jun
26 May
2-4 wk
20 Jun
1 wk before
20 Jun
1 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
Fleece
23 Jun
0 wk
23 Jun
0 wk
Spinach
Spinacia oleracea
29 May – 5 Jun
20 Jul
3-4 wk
26 Jun
10 Aug
0 wk
23 Jun
31 Jul
0 wk
Sweet potato
Ipomoea batatas
21 Jul – 4 Aug
4-6 wk
1 Sep
10 wk after
Garden tomato
Solanum lycopersicum
Season too short
1 – 15 May
6-8 wk
26 Jun
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Season too short
29 May – 12 Jun
2-4 wk
26 Jun
0 wk
9 Jul
2 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
15 – 29 May
18 Jun
4-6 wk
26 Jun
16 Jul
0 wk
Garden pea
Pisum sativum
29 May – 5 Jun
20 Jun
3-4 wk
26 Jun
11 Jul
0 wk
27 Jun
1 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
21 May – 4 Jun
4-6 wk
2 Jul
1 wk after
Lemon balm
Melissa officinalis
17 Apr – 1 May
16 May
8-10 wk
26 Jun
11 Jul
0 wk
21 Jul
4 wk after
Dill
Anethum graveolens
27 Jun
21 Jul
0 wk
Wild chives
Allium schoenoprasum
1 – 15 May
30 May
6-8 wk
26 Jun
11 Jul
0 wk
27 Jun
1 Jul
0 wk
Spearmint
Mentha spicata
3 Apr – 1 May
16 May
8-12 wk
26 Jun
11 Jul
0 wk
21 Jul
4 wk after
Coriander
Coriandrum sativum
26 Jun
10 Aug
0 wk
9 Jul
31 Jul
2 wk after
Garden sage
Salvia officinalis
19 Apr – 3 May
1 May
8-10 wk
28 Jun
0 wk
Common thyme
Thymus vulgaris
17 Apr – 1 May
6 May
8-10 wk
26 Jun
1 Jul
0 wk
Oregano
Origanum vulgare
1 – 15 May
20 May
6-8 wk
26 Jun
1 Jul
0 wk
21 Jul
4 wk after
Parsley
Petroselinum crispum
1 – 15 May
20 May
6-8 wk
26 Jun
1 Jul
0 wk
27 Jun
0 wk
Rosemary
Salvia rosmarinus
22 Mar – 19 Apr
2 Apr
10-14 wk
28 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
4 – 11 Jun
3-4 wk
2 Jul
1 wk after
Cornflower
Centaurea cyanus
26 Jun
11 Jul
0 wk
27 Jun
1 Jul
0 wk
Statice
Limonium sinuatum
Season too short
17 Apr – 1 May
8-10 wk
26 Jun
0 wk
Sweet William
Dianthus barbatus
1 – 15 May
6-8 wk
26 Jun
0 wk
6 Jul
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Season too short
1 – 15 May
6-8 wk
26 Jun
0 wk
28 Jul
5 wk after
Pinnate dahlia
Dahlia × pinnata
Season too short
1 – 15 May
6-8 wk
26 Jun
0 wk
Pinnate dahlia (tubers)
Dahlia × pinnata
Season too short
7 May – 4 Jun
11 May
4-8 wk
2 Jul
1 wk after
2 Jul
1 wk after
Foxglove
Digitalis purpurea
17 Apr – 1 May
8-10 wk
26 Jun
0 wk
9 Jul
2 wk after
Busy lizzie
Impatiens walleriana
Greenhouse
9 Apr – 7 May
24 May
8-12 wk
2 Jul
19 Jul
1 wk after
Creeping zinnia
Sanvitalia procumbens
Greenhouse
1 – 15 May
5 May
6-8 wk
26 Jun
0 wk
Hyacinth bean
Dolichos lablab
Season too short
28 May – 11 Jun
4-6 wk
9 Jul
2 wk after
Chinese lantern
Physalis alkekengi
19 Apr – 3 May
8-10 wk
28 Jun
0 wk
Love in a mist
Nigella damascena
26 Jun
26 Jun
0 wk
27 Jun
0 wk
Strawflower
Xerochrysum bracteatum
Season too short
1 – 15 May
6-8 wk
26 Jun
0 wk
28 Jul
5 wk after
Purple-top vervain
Verbena bonariensis
5 Apr – 3 May
16 Apr
8-12 wk
28 Jun
0 wk
Cardoon
Cynara cardunculus
Season too short
3 Apr – 1 May
8-12 wk
26 Jun
0 wk
Regal-foxtail
Ptilotus nobilis
Season too short
9 Apr – 7 May
8-12 wk
2 Jul
1 wk after
Globe amaranth
Gomphrena globosa
Season too short
7 – 21 May
6-8 wk
2 Jul
1 wk after
Corn poppy
Papaver rhoeas
26 Jun
11 Jul
0 wk
27 Jun
1 Jul
0 wk
Snapdragon
Antirrhinum majus
3 Apr – 1 May
6 May
8-12 wk
26 Jun
1 Jul
0 wk
6 Jul
1 wk after
Flossflower
Ageratum houstonianum
Greenhouse
23 Apr – 7 May
8-10 wk
2 Jul
1 wk after
Sweet pea
Lathyrus odoratus
1 – 22 May
27 May
5-8 wk
26 Jun
1 Jul
0 wk
Stock
Matthiola incana
1 – 15 May
30 May
6-8 wk
26 Jun
11 Jul
0 wk
9 Jul
2 wk after
Wormwood
Artemisia absinthium
1 – 15 May
6-8 wk
26 Jun
0 wk
9 Jul
2 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
21 May – 4 Jun
4-6 wk
2 Jul
1 wk after
Garden pansy
Viola × wittrockiana
17 Apr – 1 May
16 May
8-10 wk
26 Jun
11 Jul
0 wk
6 Jul
1 wk after
Petunia
Petunia
Season too short
3 Apr – 1 May
11 Apr
8-12 wk
26 Jun
0 wk
Sweet Scabious
Scabiosa atropurpurea
3 – 17 May
6-8 wk
28 Jun
0 wk
8 Aug
6 wk after
Common zinnia
Zinnia elegans
Season too short
15 – 29 May
4-6 wk
26 Jun
0 wk
Common morning glory
Ipomoea purpurea
Season too short
28 May – 11 Jun
3-5 wk
2 Jul
1 wk after
Garden cosmos
Cosmos bipinnatus
Season too short
15 – 29 May
4-6 wk
26 Jun
0 wk
9 Jul
2 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
16 Apr – 14 May
8-12 wk
9 Jul
2 wk after
Bee balm
Monarda didyma
3 Apr – 1 May
16 Apr
8-12 wk
26 Jun
0 wk
21 Jul
4 wk after
Yarrow
Achillea millefolium
1 – 15 May
6-8 wk
26 Jun
0 wk
9 Jul
2 wk after
Safflower
Carthamus tinctorius
26 Jun
0 wk
27 Jun
0 wk
Iceland poppy
Papaver nudicaule
Season too short
1 – 15 May
20 May
6-8 wk
26 Jun
1 Jul
0 wk
10 Jun
21 Jun
2 wk before
Bishop's flower
Ammi majus
15 – 29 May
3 Jun
4-6 wk
26 Jun
1 Jul
0 wk
9 Jul
2 wk after
Drumsticks
Pycnosorus globosus
Season too short
9 – 23 Apr
10-12 wk
2 Jul
1 wk after
Sunflower
Helianthus annuus
Fleece
4 – 11 Jun
10 Jun
3-4 wk
2 Jul
1 wk after
9 Jul
2 wk after
China aster
Callistephus chinensis
14 – 28 May
30 May
6-8 wk
9 Jul
11 Jul
2 wk after
8 Aug
6 wk after
Annual phlox
Phlox drummondii
Greenhouse
1 – 15 May
5 May
6-8 wk
26 Jun
0 wk
9 Jul
2 wk after
Hollyhock
Alcea rosea
1 – 15 May
6-8 wk
26 Jun
0 wk
9 Jul
2 wk after
Alpine delphinium
Delphinium elatum
3 Apr – 1 May
16 Apr
8-12 wk
26 Jun
0 wk
21 Jul
4 wk after
African marigold
Tagetes erecta
Greenhouse
1 – 15 May
5 May
6-8 wk
26 Jun
0 wk
Black-eyed Susan
Rudbeckia hirta
3 – 17 May
20 May
6-8 wk
28 Jun
1 Jul
0 wk
8 Aug
6 wk after
Wood sage
Salvia nemorosa
17 Apr – 1 May
8-10 wk
26 Jun
0 wk
21 Jul
4 wk after
Black-eyed susan vine
Thunbergia alata
Season too short
23 Apr – 21 May
6-10 wk
2 Jul
1 wk after
California goldenpoppy
Eschscholzia californica
26 Jun
11 Jul
0 wk
27 Jun
1 Jul
0 wk
Painted tongue
Salpiglossis sinuata
Fleece
23 Apr – 7 May
6 May
8-10 wk
2 Jul
1 wk after
Water forget-me-not
Myosotis scorpioides
1 – 15 May
6-8 wk
26 Jun
0 wk
9 Jul
2 wk after