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Method
Rel. frost
Last spring frost (0°C) 3 Jun Frost 3 of 4 years · 20 years of data
Frost-free season 71 days 3 Jun – 13 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)
15 – 29 Apr
15 Jun
5-7 wk
3 Jun
20 Jul
0 wk
7 Jun
10 Jul
1 wk after
Broccoli
Brassica oleracea (Italica-gruppen)
22 Apr – 6 May
27 Jun
4-6 wk
3 Jun
25 Jul
0 wk
7 Jun
15 Jul
1 wk after
Chili pepper
Capsicum annuum
Season too short
17 Mar – 14 Apr
8-12 wk
9 Jun
1 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
15 – 29 Apr
10 Jun
5-7 wk
3 Jun
15 Jul
0 wk
3 Jun
5 Jul
0 wk
Garden cucumber
Cucumis sativus
Greenhouse
12 – 19 May
20 May
3-4 wk
9 Jun
10 Jun
1 wk after
Florence Fennel
Foeniculum vulgare
Fleece
12 – 19 May
15 May
4-5 wk
16 Jun
2 wk after
8 Jul
5 wk after
Butter bean
Phaseolus lunatus
Season too short
14 – 21 Jun
3-4 wk
12 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
Season too short
11 Mar – 8 Apr
21 Mar
8-12 wk
3 Jun
0 wk
3 Jun
0 wk
Onion (sets)
Allium cepa (Cepa-gruppen)
7 Jun
1 wk after
7 Jun
1 wk after
Maize
Zea mays
Greenhouse
6 – 13 May
10 May
3-4 wk
3 Jun
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
8 – 15 May
11 Jun
3-4 wk
5 Jun
2 Jul
0 wk
24 Jun
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
3 Jun
26 Jun
0 wk
3 Jun
16 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
15 – 29 Apr
10 Jun
5-7 wk
3 Jun
15 Jul
0 wk
3 Jun
5 Jul
0 wk
Potato
Solanum tuberosum
Fleece
26 Apr – 10 May
10 May
4-6 wk
7 Jun
7 Jun
1 wk after
7 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
15 – 29 Apr
11 Jun
5-7 wk
3 Jun
16 Jul
0 wk
7 Jun
6 Jul
1 wk after
Pumpkin
Cucurbita pepo
Fleece
19 – 26 May
25 May
3-4 wk
16 Jun
2 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
Fleece
6 – 13 May
6 May
3-4 wk
3 Jun
0 wk
13 Jun
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
22 Apr – 6 May
22 Jun
4-6 wk
3 Jun
20 Jul
0 wk
Lettuce
Lactuca sativa
6 – 13 May
30 Jun
3-4 wk
3 Jun
21 Jul
0 wk
7 Jun
11 Jul
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
22 Apr – 6 May
22 Jun
4-6 wk
3 Jun
20 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
6 – 20 May
7 May
2-4 wk
3 Jun
0 wk
3 Jun
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
7 Jun
1 wk after
7 Jun
1 wk after
Spinach
Spinacia oleracea
6 – 13 May
24 Jul
3-4 wk
3 Jun
14 Aug
0 wk
30 May
4 Aug
1 wk before
Sweet potato
Ipomoea batatas
5 – 19 Jul
4-6 wk
16 Aug
11 wk after
Garden tomato
Solanum lycopersicum
Greenhouse
8 – 22 Apr
19 Apr
6-8 wk
3 Jun
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Fleece
12 – 26 May
27 May
2-4 wk
9 Jun
10 Jun
1 wk after
8 Jul
5 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
22 Apr – 6 May
22 Jun
4-6 wk
3 Jun
20 Jul
0 wk
Garden pea
Pisum sativum
6 – 13 May
15 Jun
3-4 wk
3 Jun
6 Jul
0 wk
7 Jun
26 Jun
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
Greenhouse
28 Apr – 12 May
22 May
4-6 wk
9 Jun
19 Jun
1 wk after
Lemon balm
Melissa officinalis
25 Mar – 8 Apr
11 May
8-10 wk
3 Jun
6 Jul
0 wk
8 Jul
5 wk after
Dill
Anethum graveolens
7 Jun
2 Jul
1 wk after
Wild chives
Allium schoenoprasum
8 – 22 Apr
3 Jun
6-8 wk
3 Jun
15 Jul
0 wk
7 Jun
5 Jul
1 wk after
Spearmint
Mentha spicata
11 Mar – 8 Apr
20 May
8-12 wk
3 Jun
15 Jul
0 wk
8 Jul
5 wk after
Coriander
Coriandrum sativum
3 Jun
22 Jul
0 wk
24 Jun
12 Jul
3 wk after
Garden sage
Salvia officinalis
27 Mar – 10 Apr
5 May
8-10 wk
5 Jun
30 Jun
0 wk
Common thyme
Thymus vulgaris
25 Mar – 8 Apr
10 May
8-10 wk
3 Jun
5 Jul
0 wk
Oregano
Origanum vulgare
8 – 22 Apr
24 May
6-8 wk
3 Jun
5 Jul
0 wk
8 Jul
5 wk after
Parsley
Petroselinum crispum
8 – 22 Apr
24 May
6-8 wk
3 Jun
5 Jul
0 wk
7 Jun
25 Jun
1 wk after
Rosemary
Salvia rosmarinus
Fleece
25 Feb – 25 Mar
24 Mar
10-14 wk
3 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
Greenhouse
12 – 19 May
29 May
3-4 wk
9 Jun
19 Jun
1 wk after
Cornflower
Centaurea cyanus
3 Jun
15 Jul
0 wk
7 Jun
5 Jul
1 wk after
Statice
Limonium sinuatum
Fleece
31 Mar – 14 Apr
20 Apr
8-10 wk
9 Jun
15 Jun
1 wk after
Sweet William
Dianthus barbatus
8 – 22 Apr
6-8 wk
3 Jun
0 wk
19 Jun
2 wk after
Snow-on-the-mountain
Euphorbia marginata
Fleece
14 – 28 Apr
4 May
6-8 wk
9 Jun
15 Jun
1 wk after
1 Aug
8 wk after
Pinnate dahlia
Dahlia × pinnata
19 Apr – 3 May
28 Apr
6-8 wk
14 Jun
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
Fleece
29 Apr – 27 May
23 May
4-8 wk
24 Jun
3 wk after
24 Jun
3 wk after
Foxglove
Digitalis purpurea
25 Mar – 8 Apr
8-10 wk
3 Jun
0 wk
24 Jun
3 wk after
Busy lizzie
Impatiens walleriana
12 Apr – 10 May
21 May
8-12 wk
5 Jul
16 Jul
5 wk after
Creeping zinnia
Sanvitalia procumbens
21 Apr – 5 May
26 Apr
6-8 wk
16 Jun
2 wk after
Hyacinth bean
Dolichos lablab
Season too short
5 – 19 May
4-6 wk
16 Jun
2 wk after
Chinese lantern
Physalis alkekengi
27 Mar – 10 Apr
28 Mar
8-10 wk
5 Jun
0 wk
Love in a mist
Nigella damascena
3 Jun
21 Jun
0 wk
7 Jun
11 Jun
1 wk after
Strawflower
Xerochrysum bracteatum
Fleece
14 – 28 Apr
24 Apr
6-8 wk
9 Jun
1 wk after
1 Aug
8 wk after
Purple-top vervain
Verbena bonariensis
13 Mar – 10 Apr
28 Mar
8-12 wk
5 Jun
0 wk
Cardoon
Cynara cardunculus
Greenhouse
11 Mar – 8 Apr
21 Mar
8-12 wk
3 Jun
0 wk
Regal-foxtail
Ptilotus nobilis
Greenhouse
17 Mar – 14 Apr
14 Apr
8-12 wk
9 Jun
9 Jun
1 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
14 – 28 Apr
28 Apr
6-8 wk
9 Jun
9 Jun
1 wk after
Corn poppy
Papaver rhoeas
3 Jun
6 Jul
0 wk
7 Jun
26 Jun
1 wk after
Snapdragon
Antirrhinum majus
11 Mar – 8 Apr
1 May
8-12 wk
3 Jun
26 Jun
0 wk
19 Jun
2 wk after
Flossflower
Ageratum houstonianum
Fleece
7 – 21 Apr
30 Apr
8-10 wk
16 Jun
25 Jun
2 wk after
Sweet pea
Lathyrus odoratus
8 – 29 Apr
31 May
5-8 wk
3 Jun
5 Jul
0 wk
Stock
Matthiola incana
8 – 22 Apr
25 May
6-8 wk
3 Jun
6 Jul
0 wk
24 Jun
26 Jun
3 wk after
Wormwood
Artemisia absinthium
8 – 22 Apr
4 May
6-8 wk
3 Jun
15 Jun
0 wk
24 Jun
3 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
28 Apr – 12 May
7 May
4-6 wk
9 Jun
1 wk after
Garden pansy
Viola × wittrockiana
25 Mar – 8 Apr
20 May
8-10 wk
3 Jun
15 Jul
0 wk
19 Jun
5 Jul
2 wk after
Petunia
Petunia
Fleece
17 Mar – 14 Apr
20 Apr
8-12 wk
9 Jun
15 Jun
1 wk after
Sweet Scabious
Scabiosa atropurpurea
10 – 24 Apr
11 Apr
6-8 wk
5 Jun
0 wk
22 Jul
7 wk after
Common zinnia
Zinnia elegans
Fleece
28 Apr – 12 May
22 May
4-6 wk
9 Jun
19 Jun
1 wk after
Common morning glory
Ipomoea purpurea
Greenhouse
5 – 19 May
29 May
3-5 wk
9 Jun
19 Jun
1 wk after
Garden cosmos
Cosmos bipinnatus
5 – 19 May
12 May
4-6 wk
16 Jun
2 wk after
22 Jul
7 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
24 Mar – 21 Apr
14 May
8-12 wk
16 Jun
9 Jul
2 wk after
Bee balm
Monarda didyma
11 Mar – 8 Apr
11 Apr
8-12 wk
3 Jun
6 Jun
0 wk
8 Jul
5 wk after
Yarrow
Achillea millefolium
8 – 22 Apr
6-8 wk
3 Jun
0 wk
24 Jun
3 wk after
Safflower
Carthamus tinctorius
3 Jun
15 Jun
0 wk
7 Jun
1 wk after
Iceland poppy
Papaver nudicaule
Season too short
8 – 22 Apr
24 May
6-8 wk
3 Jun
5 Jul
0 wk
16 May
25 Jun
3 wk before
Bishop's flower
Ammi majus
22 Apr – 6 May
29 May
4-6 wk
3 Jun
26 Jun
0 wk
24 Jun
3 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
17 – 31 Mar
22 Mar
10-12 wk
9 Jun
1 wk after
Sunflower
Helianthus annuus
19 – 26 May
3-4 wk
16 Jun
2 wk after
8 Jul
5 wk after
China aster
Callistephus chinensis
21 Apr – 5 May
7 May
6-8 wk
16 Jun
18 Jun
2 wk after
22 Jul
7 wk after
Annual phlox
Phlox drummondii
14 – 28 Apr
26 Apr
6-8 wk
9 Jun
1 wk after
22 Jul
7 wk after
Hollyhock
Alcea rosea
8 – 22 Apr
6-8 wk
3 Jun
0 wk
24 Jun
3 wk after
Alpine delphinium
Delphinium elatum
11 Mar – 8 Apr
11 Apr
8-12 wk
3 Jun
6 Jun
0 wk
8 Jul
5 wk after
African marigold
Tagetes erecta
21 Apr – 5 May
26 Apr
6-8 wk
16 Jun
2 wk after
Black-eyed Susan
Rudbeckia hirta
10 – 24 Apr
27 Apr
6-8 wk
5 Jun
8 Jun
0 wk
22 Jul
7 wk after
Wood sage
Salvia nemorosa
25 Mar – 8 Apr
1 Apr
8-10 wk
3 Jun
0 wk
8 Jul
5 wk after
Black-eyed susan vine
Thunbergia alata
Greenhouse
31 Mar – 28 Apr
8 May
6-10 wk
9 Jun
19 Jun
1 wk after
California goldenpoppy
Eschscholzia californica
3 Jun
2 Jul
0 wk
7 Jun
22 Jun
1 wk after
Painted tongue
Salpiglossis sinuata
Fleece
31 Mar – 14 Apr
17 Apr
8-10 wk
9 Jun
12 Jun
1 wk after
Water forget-me-not
Myosotis scorpioides
8 – 22 Apr
4 May
6-8 wk
3 Jun
15 Jun
0 wk
24 Jun
3 wk after