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Method
Rel. frost
Last spring frost (0°C) 8 Jun Frost 1 of 10 years · 20 years of data
Frost-free season 101 days 8 Jun – 17 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)
20 Apr – 4 May
11 Jun
5-7 wk
8 Jun
16 Jul
0 wk
9 Jun
6 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
27 Apr – 11 May
23 Jun
4-6 wk
8 Jun
21 Jul
0 wk
9 Jun
11 Jul
0 wk
Chili pepper
Capsicum annuum
Season too short
22 Mar – 19 Apr
8-12 wk
14 Jun
1 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
20 Apr – 4 May
6 Jun
5-7 wk
8 Jun
11 Jul
0 wk
8 Jun
1 Jul
0 wk
Garden cucumber
Cucumis sativus
Season too short
17 – 24 May
3-4 wk
14 Jun
1 wk after
Florence Fennel
Foeniculum vulgare
5 – 12 Jun
4-5 wk
10 Jul
5 wk after
21 Jul
6 wk after
Butter bean
Phaseolus lunatus
Season too short
19 – 26 Jun
3-4 wk
17 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
Greenhouse
16 Mar – 13 Apr
27 Mar
8-12 wk
8 Jun
0 wk
8 Jun
0 wk
Onion (sets)
Allium cepa (Cepa-gruppen)
Fleece
5 Jun
11 Jun
0 wk
5 Jun
0 wk
Maize
Zea mays
Season too short
11 – 18 May
3-4 wk
8 Jun
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
13 – 20 May
30 Jun
3-4 wk
10 Jun
21 Jul
0 wk
21 Jun
11 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
8 Jun
1 Jul
0 wk
8 Jun
21 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
20 Apr – 4 May
6 Jun
5-7 wk
8 Jun
11 Jul
0 wk
8 Jun
1 Jul
0 wk
Potato
Solanum tuberosum
7 – 21 May
18 May
4-6 wk
18 Jun
1 wk after
18 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
20 Apr – 4 May
16 Jun
5-7 wk
8 Jun
21 Jul
0 wk
9 Jun
11 Jul
0 wk
Pumpkin
Cucurbita pepo
Greenhouse
17 – 24 May
3-4 wk
14 Jun
1 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
13 – 20 May
24 May
3-4 wk
10 Jun
14 Jun
0 wk
21 Jun
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
27 Apr – 11 May
18 Jun
4-6 wk
8 Jun
16 Jul
0 wk
Lettuce
Lactuca sativa
11 – 18 May
5 Jul
3-4 wk
8 Jun
26 Jul
0 wk
9 Jun
16 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
27 Apr – 11 May
18 Jun
4-6 wk
8 Jun
16 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
11 – 25 May
24 May
2-4 wk
8 Jun
0 wk
8 Jun
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
Fleece
5 Jun
11 Jun
0 wk
5 Jun
0 wk
Spinach
Spinacia oleracea
11 – 18 May
20 Jul
3-4 wk
8 Jun
10 Aug
0 wk
5 Jun
31 Jul
0 wk
Sweet potato
Ipomoea batatas
3 – 17 Jul
4-6 wk
14 Aug
10 wk after
Garden tomato
Solanum lycopersicum
Season too short
13 – 27 Apr
6-8 wk
8 Jun
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Greenhouse
11 – 25 May
16 May
2-4 wk
8 Jun
0 wk
21 Jun
2 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
27 Apr – 11 May
18 Jun
4-6 wk
8 Jun
16 Jul
0 wk
Garden pea
Pisum sativum
11 – 18 May
20 Jun
3-4 wk
8 Jun
11 Jul
0 wk
9 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
3 – 17 May
4-6 wk
14 Jun
1 wk after
Lemon balm
Melissa officinalis
30 Mar – 13 Apr
16 May
8-10 wk
8 Jun
11 Jul
0 wk
3 Jul
4 wk after
Dill
Anethum graveolens
9 Jun
21 Jul
0 wk
Wild chives
Allium schoenoprasum
13 – 27 Apr
30 May
6-8 wk
8 Jun
11 Jul
0 wk
9 Jun
1 Jul
0 wk
Spearmint
Mentha spicata
16 Mar – 13 Apr
16 May
8-12 wk
8 Jun
11 Jul
0 wk
3 Jul
4 wk after
Coriander
Coriandrum sativum
8 Jun
10 Aug
0 wk
21 Jun
31 Jul
2 wk after
Garden sage
Salvia officinalis
1 – 15 Apr
1 May
8-10 wk
10 Jun
26 Jun
0 wk
Common thyme
Thymus vulgaris
30 Mar – 13 Apr
6 May
8-10 wk
8 Jun
1 Jul
0 wk
Oregano
Origanum vulgare
13 – 27 Apr
20 May
6-8 wk
8 Jun
1 Jul
0 wk
3 Jul
4 wk after
Parsley
Petroselinum crispum
13 – 27 Apr
20 May
6-8 wk
8 Jun
1 Jul
0 wk
9 Jun
21 Jun
0 wk
Rosemary
Salvia rosmarinus
4 Mar – 1 Apr
2 Apr
10-14 wk
10 Jun
11 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
17 – 24 May
3-4 wk
14 Jun
1 wk after
Cornflower
Centaurea cyanus
8 Jun
11 Jul
0 wk
9 Jun
1 Jul
0 wk
Statice
Limonium sinuatum
Greenhouse
30 Mar – 13 Apr
12 Apr
8-10 wk
8 Jun
0 wk
Sweet William
Dianthus barbatus
13 – 27 Apr
6-8 wk
8 Jun
0 wk
18 Jun
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Greenhouse
13 – 27 Apr
26 Apr
6-8 wk
8 Jun
0 wk
10 Jul
5 wk after
Pinnate dahlia
Dahlia × pinnata
Fleece
15 – 29 Apr
6-8 wk
10 Jun
0 wk
Pinnate dahlia (tubers)
Dahlia × pinnata
Greenhouse
19 Apr – 17 May
14 May
4-8 wk
14 Jun
1 wk after
14 Jun
1 wk after
Foxglove
Digitalis purpurea
30 Mar – 13 Apr
8-10 wk
8 Jun
0 wk
21 Jun
2 wk after
Busy lizzie
Impatiens walleriana
Fleece
29 Mar – 26 Apr
10 May
8-12 wk
21 Jun
5 Jul
2 wk after
Creeping zinnia
Sanvitalia procumbens
Greenhouse
13 – 27 Apr
6 May
6-8 wk
8 Jun
17 Jun
0 wk
Hyacinth bean
Dolichos lablab
Season too short
10 – 24 May
4-6 wk
21 Jun
2 wk after
Chinese lantern
Physalis alkekengi
1 – 15 Apr
16 Apr
8-10 wk
10 Jun
11 Jun
0 wk
Love in a mist
Nigella damascena
8 Jun
26 Jun
0 wk
9 Jun
16 Jun
0 wk
Strawflower
Xerochrysum bracteatum
Greenhouse
13 – 27 Apr
16 Apr
6-8 wk
8 Jun
0 wk
10 Jul
5 wk after
Purple-top vervain
Verbena bonariensis
18 Mar – 15 Apr
16 Apr
8-12 wk
10 Jun
11 Jun
0 wk
Cardoon
Cynara cardunculus
Greenhouse
16 Mar – 13 Apr
17 Mar
8-12 wk
8 Jun
0 wk
Regal-foxtail
Ptilotus nobilis
Season too short
22 Mar – 19 Apr
8-12 wk
14 Jun
1 wk after
Globe amaranth
Gomphrena globosa
Season too short
19 Apr – 3 May
6-8 wk
14 Jun
1 wk after
Corn poppy
Papaver rhoeas
8 Jun
11 Jul
0 wk
9 Jun
1 Jul
0 wk
Snapdragon
Antirrhinum majus
16 Mar – 13 Apr
6 May
8-12 wk
8 Jun
1 Jul
0 wk
18 Jun
21 Jun
1 wk after
Flossflower
Ageratum houstonianum
Greenhouse
5 – 19 Apr
22 Apr
8-10 wk
14 Jun
17 Jun
1 wk after
Sweet pea
Lathyrus odoratus
13 Apr – 4 May
27 May
5-8 wk
8 Jun
1 Jul
0 wk
Stock
Matthiola incana
13 – 27 Apr
30 May
6-8 wk
8 Jun
11 Jul
0 wk
21 Jun
1 Jul
2 wk after
Wormwood
Artemisia absinthium
13 – 27 Apr
30 Apr
6-8 wk
8 Jun
11 Jun
0 wk
21 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
3 – 17 May
4-6 wk
14 Jun
1 wk after
Garden pansy
Viola × wittrockiana
30 Mar – 13 Apr
16 May
8-10 wk
8 Jun
11 Jul
0 wk
18 Jun
1 Jul
1 wk after
Petunia
Petunia
Greenhouse
16 Mar – 13 Apr
12 Apr
8-12 wk
8 Jun
0 wk
Sweet Scabious
Scabiosa atropurpurea
15 – 29 Apr
30 Apr
6-8 wk
10 Jun
11 Jun
0 wk
21 Jul
6 wk after
Common zinnia
Zinnia elegans
Greenhouse
27 Apr – 11 May
8 May
4-6 wk
8 Jun
0 wk
Common morning glory
Ipomoea purpurea
Season too short
10 – 24 May
3-5 wk
14 Jun
1 wk after
Garden cosmos
Cosmos bipinnatus
Greenhouse
27 Apr – 11 May
14 May
4-6 wk
8 Jun
11 Jun
0 wk
21 Jun
2 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
29 Mar – 26 Apr
14 Apr
8-12 wk
21 Jun
2 wk after
Bee balm
Monarda didyma
16 Mar – 13 Apr
16 Apr
8-12 wk
8 Jun
11 Jun
0 wk
3 Jul
4 wk after
Yarrow
Achillea millefolium
13 – 27 Apr
6-8 wk
8 Jun
0 wk
21 Jun
2 wk after
Safflower
Carthamus tinctorius
8 Jun
11 Jun
0 wk
9 Jun
0 wk
Iceland poppy
Papaver nudicaule
Season too short
13 – 27 Apr
20 May
6-8 wk
8 Jun
1 Jul
0 wk
23 May
21 Jun
2 wk before
Bishop's flower
Ammi majus
27 Apr – 11 May
3 Jun
4-6 wk
8 Jun
1 Jul
0 wk
21 Jun
21 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Season too short
22 Mar – 5 Apr
10-12 wk
14 Jun
1 wk after
Sunflower
Helianthus annuus
24 – 31 May
10 Jun
3-4 wk
21 Jun
1 Jul
2 wk after
3 Jul
4 wk after
China aster
Callistephus chinensis
26 Apr – 10 May
30 May
6-8 wk
21 Jun
11 Jul
2 wk after
21 Jul
6 wk after
Annual phlox
Phlox drummondii
Fleece
13 – 27 Apr
13 Apr
6-8 wk
8 Jun
0 wk
3 Jul
4 wk after
Hollyhock
Alcea rosea
13 – 27 Apr
6-8 wk
8 Jun
0 wk
21 Jun
2 wk after
Alpine delphinium
Delphinium elatum
16 Mar – 13 Apr
16 Apr
8-12 wk
8 Jun
11 Jun
0 wk
3 Jul
4 wk after
African marigold
Tagetes erecta
Greenhouse
13 – 27 Apr
6 May
6-8 wk
8 Jun
17 Jun
0 wk
Black-eyed Susan
Rudbeckia hirta
15 – 29 Apr
20 May
6-8 wk
10 Jun
1 Jul
0 wk
21 Jul
6 wk after
Wood sage
Salvia nemorosa
30 Mar – 13 Apr
6 Apr
8-10 wk
8 Jun
0 wk
3 Jul
4 wk after
Black-eyed susan vine
Thunbergia alata
Season too short
5 Apr – 3 May
8 Apr
6-10 wk
14 Jun
1 wk after
California goldenpoppy
Eschscholzia californica
8 Jun
11 Jul
0 wk
9 Jun
1 Jul
0 wk
Painted tongue
Salpiglossis sinuata
12 – 26 Apr
29 Apr
8-10 wk
21 Jun
24 Jun
2 wk after
Water forget-me-not
Myosotis scorpioides
13 – 27 Apr
30 Apr
6-8 wk
8 Jun
11 Jun
0 wk
21 Jun
2 wk after