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Method
Rel. frost
Last spring frost (0°C) 9 Jun Frost 9 of 10 years · 20 years of data
Frost-free season 23 days 9 Jun – 2 Jul
Probability that frost is over

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