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Method
Rel. frost
Last spring frost (0°C) 5 Jun Frost 3 of 4 years · 20 years of data
Frost-free season 82 days 5 Jun – 26 Aug
Probability that frost is over

25% = 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)
17 Apr – 1 May
15 Jun
5-7 wk
5 Jun
20 Jul
0 wk
9 Jun
10 Jul
1 wk after
Broccoli
Brassica oleracea (Italica-gruppen)
24 Apr – 8 May
27 Jun
4-6 wk
5 Jun
25 Jul
0 wk
9 Jun
15 Jul
1 wk after
Chili pepper
Capsicum annuum
Season too short
19 Mar – 16 Apr
8-12 wk
11 Jun
1 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
17 Apr – 1 May
10 Jun
5-7 wk
5 Jun
15 Jul
0 wk
5 Jun
5 Jul
0 wk
Garden cucumber
Cucumis sativus
Season too short
14 – 21 May
3-4 wk
11 Jun
1 wk after
Florence Fennel
Foeniculum vulgare
Greenhouse
7 – 14 May
5 Jun
4-5 wk
11 Jun
3 Jul
1 wk after
26 Jun
3 wk after
Butter bean
Phaseolus lunatus
Season too short
16 – 23 Jun
3-4 wk
14 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
Season too short
13 Mar – 10 Apr
21 Mar
8-12 wk
5 Jun
0 wk
5 Jun
0 wk
Onion (sets)
Allium cepa (Cepa-gruppen)
Fleece
1 Jun
1 wk before
1 Jun
1 wk before
Maize
Zea mays
Season too short
8 – 15 May
3-4 wk
5 Jun
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
10 – 17 May
23 Jun
3-4 wk
7 Jun
14 Jul
0 wk
26 Jun
4 Jul
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
5 Jun
3 Jul
0 wk
5 Jun
23 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
17 Apr – 1 May
10 Jun
5-7 wk
5 Jun
15 Jul
0 wk
5 Jun
5 Jul
0 wk
Potato
Solanum tuberosum
Fleece
28 Apr – 12 May
7 May
4-6 wk
9 Jun
1 wk after
9 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
17 Apr – 1 May
18 Jun
5-7 wk
5 Jun
23 Jul
0 wk
9 Jun
13 Jul
1 wk after
Pumpkin
Cucurbita pepo
Season too short
14 – 21 May
3-4 wk
11 Jun
1 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
Fleece
8 – 15 May
10 May
3-4 wk
5 Jun
0 wk
15 Jun
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
24 Apr – 8 May
22 Jun
4-6 wk
5 Jun
20 Jul
0 wk
Lettuce
Lactuca sativa
8 – 15 May
7 Jul
3-4 wk
5 Jun
28 Jul
0 wk
9 Jun
18 Jul
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
24 Apr – 8 May
22 Jun
4-6 wk
5 Jun
20 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
8 – 22 May
8 May
2-4 wk
5 Jun
0 wk
5 Jun
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
Fleece
1 Jun
1 wk before
1 Jun
1 wk before
Spinach
Spinacia oleracea
8 – 15 May
24 Jul
3-4 wk
5 Jun
14 Aug
0 wk
1 Jun
4 Aug
1 wk before
Sweet potato
Ipomoea batatas
7 – 21 Jul
4-6 wk
18 Aug
11 wk after
Garden tomato
Solanum lycopersicum
Season too short
10 – 24 Apr
6-8 wk
5 Jun
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Season too short
8 – 22 May
2-4 wk
5 Jun
0 wk
26 Jun
3 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
24 Apr – 8 May
22 Jun
4-6 wk
5 Jun
20 Jul
0 wk
Garden pea
Pisum sativum
8 – 15 May
22 Jun
3-4 wk
5 Jun
13 Jul
0 wk
9 Jun
3 Jul
1 wk after

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
30 Apr – 14 May
4-6 wk
11 Jun
1 wk after
Lemon balm
Melissa officinalis
27 Mar – 10 Apr
18 May
8-10 wk
5 Jun
13 Jul
0 wk
10 Jul
5 wk after
Dill
Anethum graveolens
9 Jun
14 Jul
1 wk after
Wild chives
Allium schoenoprasum
10 – 24 Apr
3 Jun
6-8 wk
5 Jun
15 Jul
0 wk
9 Jun
5 Jul
1 wk after
Spearmint
Mentha spicata
13 Mar – 10 Apr
20 May
8-12 wk
5 Jun
15 Jul
0 wk
10 Jul
5 wk after
Coriander
Coriandrum sativum
5 Jun
3 Aug
0 wk
26 Jun
24 Jul
3 wk after
Garden sage
Salvia officinalis
29 Mar – 12 Apr
5 May
8-10 wk
7 Jun
30 Jun
0 wk
Common thyme
Thymus vulgaris
27 Mar – 10 Apr
10 May
8-10 wk
5 Jun
5 Jul
0 wk
Oregano
Origanum vulgare
10 – 24 Apr
24 May
6-8 wk
5 Jun
5 Jul
0 wk
10 Jul
5 wk after
Parsley
Petroselinum crispum
10 – 24 Apr
24 May
6-8 wk
5 Jun
5 Jul
0 wk
9 Jun
25 Jun
1 wk after
Rosemary
Salvia rosmarinus
1 – 29 Mar
19 Mar
10-14 wk
7 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
14 – 21 May
3-4 wk
11 Jun
1 wk after
Cornflower
Centaurea cyanus
5 Jun
15 Jul
0 wk
9 Jun
5 Jul
1 wk after
Statice
Limonium sinuatum
Greenhouse
27 Mar – 10 Apr
22 Apr
8-10 wk
5 Jun
17 Jun
0 wk
Sweet William
Dianthus barbatus
10 – 24 Apr
6-8 wk
5 Jun
0 wk
21 Jun
2 wk after
Snow-on-the-mountain
Euphorbia marginata
Greenhouse
10 – 24 Apr
6 May
6-8 wk
5 Jun
17 Jun
0 wk
16 Jul
6 wk after
Pinnate dahlia
Dahlia × pinnata
Fleece
12 – 26 Apr
2 May
6-8 wk
7 Jun
13 Jun
0 wk
Pinnate dahlia (tubers)
Dahlia × pinnata
Fleece
1 – 29 May
16 May
4-8 wk
26 Jun
3 wk after
26 Jun
3 wk after
Foxglove
Digitalis purpurea
27 Mar – 10 Apr
8-10 wk
5 Jun
0 wk
26 Jun
3 wk after
Busy lizzie
Impatiens walleriana
Greenhouse
19 Mar – 16 Apr
13 Jun
8-12 wk
11 Jun
8 Aug
1 wk after
Creeping zinnia
Sanvitalia procumbens
Greenhouse
10 – 24 Apr
16 May
6-8 wk
5 Jun
27 Jun
0 wk
Hyacinth bean
Dolichos lablab
Season too short
7 – 21 May
4-6 wk
18 Jun
2 wk after
Chinese lantern
Physalis alkekengi
29 Mar – 12 Apr
9 Apr
8-10 wk
7 Jun
0 wk
Love in a mist
Nigella damascena
5 Jun
28 Jun
0 wk
9 Jun
18 Jun
1 wk after
Strawflower
Xerochrysum bracteatum
Greenhouse
10 – 24 Apr
26 Apr
6-8 wk
5 Jun
7 Jun
0 wk
16 Jul
6 wk after
Purple-top vervain
Verbena bonariensis
15 Mar – 12 Apr
9 Apr
8-12 wk
7 Jun
0 wk
Cardoon
Cynara cardunculus
Greenhouse
13 Mar – 10 Apr
21 Mar
8-12 wk
5 Jun
0 wk
Regal-foxtail
Ptilotus nobilis
Season too short
19 Mar – 16 Apr
8-12 wk
11 Jun
1 wk after
Globe amaranth
Gomphrena globosa
Season too short
16 – 30 Apr
6-8 wk
11 Jun
1 wk after
Corn poppy
Papaver rhoeas
5 Jun
13 Jul
0 wk
9 Jun
3 Jul
1 wk after
Snapdragon
Antirrhinum majus
13 Mar – 10 Apr
8 May
8-12 wk
5 Jun
3 Jul
0 wk
21 Jun
23 Jun
2 wk after
Flossflower
Ageratum houstonianum
Greenhouse
2 – 16 Apr
2 May
8-10 wk
11 Jun
27 Jun
1 wk after
Sweet pea
Lathyrus odoratus
10 Apr – 1 May
31 May
5-8 wk
5 Jun
5 Jul
0 wk
Stock
Matthiola incana
10 – 24 Apr
1 Jun
6-8 wk
5 Jun
13 Jul
0 wk
26 Jun
3 Jul
3 wk after
Wormwood
Artemisia absinthium
10 – 24 Apr
4 May
6-8 wk
5 Jun
15 Jun
0 wk
26 Jun
3 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
30 Apr – 14 May
4-6 wk
11 Jun
1 wk after
Garden pansy
Viola × wittrockiana
27 Mar – 10 Apr
20 May
8-10 wk
5 Jun
15 Jul
0 wk
21 Jun
5 Jul
2 wk after
Petunia
Petunia
Greenhouse
13 Mar – 10 Apr
22 Apr
8-12 wk
5 Jun
17 Jun
0 wk
Sweet Scabious
Scabiosa atropurpurea
12 – 26 Apr
23 Apr
6-8 wk
7 Jun
0 wk
24 Jul
7 wk after
Common zinnia
Zinnia elegans
Greenhouse
24 Apr – 8 May
26 May
4-6 wk
5 Jun
23 Jun
0 wk
Common morning glory
Ipomoea purpurea
Season too short
7 – 21 May
3-5 wk
11 Jun
1 wk after
Garden cosmos
Cosmos bipinnatus
Fleece
30 Apr – 14 May
16 May
4-6 wk
11 Jun
13 Jun
1 wk after
10 Jul
5 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
26 Mar – 23 Apr
29 Mar
8-12 wk
18 Jun
2 wk after
Bee balm
Monarda didyma
13 Mar – 10 Apr
18 Apr
8-12 wk
5 Jun
13 Jun
0 wk
10 Jul
5 wk after
Yarrow
Achillea millefolium
10 – 24 Apr
6-8 wk
5 Jun
0 wk
26 Jun
3 wk after
Safflower
Carthamus tinctorius
5 Jun
15 Jun
0 wk
9 Jun
1 wk after
Iceland poppy
Papaver nudicaule
Season too short
10 – 24 Apr
24 May
6-8 wk
5 Jun
5 Jul
0 wk
18 May
25 Jun
3 wk before
Bishop's flower
Ammi majus
24 Apr – 8 May
5 Jun
4-6 wk
5 Jun
3 Jul
0 wk
26 Jun
3 wk after
Drumsticks
Pycnosorus globosus
Season too short
19 Mar – 2 Apr
10-12 wk
11 Jun
1 wk after
Sunflower
Helianthus annuus
Fleece
14 – 21 May
9 Jun
3-4 wk
11 Jun
30 Jun
1 wk after
26 Jun
3 wk after
China aster
Callistephus chinensis
Fleece
16 – 30 Apr
29 May
6-8 wk
11 Jun
10 Jul
1 wk after
10 Jul
5 wk after
Annual phlox
Phlox drummondii
Fleece
10 – 24 Apr
19 Apr
6-8 wk
5 Jun
0 wk
10 Jul
5 wk after
Hollyhock
Alcea rosea
10 – 24 Apr
6-8 wk
5 Jun
0 wk
26 Jun
3 wk after
Alpine delphinium
Delphinium elatum
13 Mar – 10 Apr
18 Apr
8-12 wk
5 Jun
13 Jun
0 wk
10 Jul
5 wk after
African marigold
Tagetes erecta
Greenhouse
10 – 24 Apr
16 May
6-8 wk
5 Jun
27 Jun
0 wk
Black-eyed Susan
Rudbeckia hirta
12 – 26 Apr
6 May
6-8 wk
7 Jun
17 Jun
0 wk
24 Jul
7 wk after
Wood sage
Salvia nemorosa
27 Mar – 10 Apr
8 Apr
8-10 wk
5 Jun
0 wk
10 Jul
5 wk after
Black-eyed susan vine
Thunbergia alata
Season too short
2 – 30 Apr
6-10 wk
11 Jun
1 wk after
California goldenpoppy
Eschscholzia californica
5 Jun
10 Jul
0 wk
9 Jun
30 Jun
1 wk after
Painted tongue
Salpiglossis sinuata
Fleece
2 – 16 Apr
29 Apr
8-10 wk
11 Jun
24 Jun
1 wk after
Water forget-me-not
Myosotis scorpioides
10 – 24 Apr
4 May
6-8 wk
5 Jun
15 Jun
0 wk
26 Jun
3 wk after