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Method
Rel. frost
Last spring frost (0°C) 19 Jun Frost 1 of 4 years · 20 years of data
Frost-free season 87 days 19 Jun – 14 Sep
Probability that frost is over

75% = 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)
1 – 15 May
15 Jun
5-7 wk
19 Jun
20 Jul
0 wk
23 Jun
10 Jul
1 wk after
Broccoli
Brassica oleracea (Italica-gruppen)
8 – 22 May
27 Jun
4-6 wk
19 Jun
25 Jul
0 wk
23 Jun
15 Jul
1 wk after
Chili pepper
Capsicum annuum
Season too short
2 – 30 Apr
8-12 wk
25 Jun
1 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
1 – 15 May
10 Jun
5-7 wk
19 Jun
15 Jul
0 wk
19 Jun
5 Jul
0 wk
Garden cucumber
Cucumis sativus
Season too short
28 May – 4 Jun
3-4 wk
25 Jun
1 wk after
Florence Fennel
Foeniculum vulgare
Fleece
28 May – 4 Jun
7 Jun
4-5 wk
2 Jul
5 Jul
2 wk after
24 Jul
5 wk after
Butter bean
Phaseolus lunatus
Season too short
30 Jun – 7 Jul
3-4 wk
28 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
Season too short
27 Mar – 24 Apr
31 Mar
8-12 wk
19 Jun
0 wk
19 Jun
0 wk
Onion (sets)
Allium cepa (Cepa-gruppen)
Fleece
15 Jun
1 wk before
15 Jun
1 wk before
Maize
Zea mays
Season too short
22 – 29 May
3-4 wk
19 Jun
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
24 – 31 May
4 Jul
3-4 wk
21 Jun
25 Jul
0 wk
10 Jul
15 Jul
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
19 Jun
5 Jul
0 wk
19 Jun
25 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
1 – 15 May
10 Jun
5-7 wk
19 Jun
15 Jul
0 wk
19 Jun
5 Jul
0 wk
Potato
Solanum tuberosum
Fleece
12 – 26 May
18 May
4-6 wk
23 Jun
1 wk after
23 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
1 – 15 May
20 Jun
5-7 wk
19 Jun
25 Jul
0 wk
23 Jun
15 Jul
1 wk after
Pumpkin
Cucurbita pepo
Greenhouse
28 May – 4 Jun
15 Jun
3-4 wk
25 Jun
6 Jul
1 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
Fleece
22 – 29 May
3-4 wk
19 Jun
0 wk
29 Jun
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
8 – 22 May
22 Jun
4-6 wk
19 Jun
20 Jul
0 wk
Lettuce
Lactuca sativa
22 – 29 May
9 Jul
3-4 wk
19 Jun
30 Jul
0 wk
23 Jun
20 Jul
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
8 – 22 May
22 Jun
4-6 wk
19 Jun
20 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
22 May – 5 Jun
2-4 wk
19 Jun
0 wk
19 Jun
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
Fleece
15 Jun
1 wk before
15 Jun
1 wk before
Spinach
Spinacia oleracea
22 – 29 May
24 Jul
3-4 wk
19 Jun
14 Aug
0 wk
15 Jun
4 Aug
1 wk before
Sweet potato
Ipomoea batatas
21 Jul – 4 Aug
4-6 wk
1 Sep
11 wk after
Garden tomato
Solanum lycopersicum
Season too short
24 Apr – 8 May
6-8 wk
19 Jun
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Greenhouse
22 May – 5 Jun
17 Jun
2-4 wk
19 Jun
1 Jul
0 wk
10 Jul
3 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
8 – 22 May
22 Jun
4-6 wk
19 Jun
20 Jul
0 wk
Garden pea
Pisum sativum
22 – 29 May
24 Jun
3-4 wk
19 Jun
15 Jul
0 wk
23 Jun
5 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
Greenhouse
14 – 28 May
24 May
4-6 wk
25 Jun
1 wk after
Lemon balm
Melissa officinalis
10 – 24 Apr
20 May
8-10 wk
19 Jun
15 Jul
0 wk
24 Jul
5 wk after
Dill
Anethum graveolens
23 Jun
25 Jul
1 wk after
Wild chives
Allium schoenoprasum
24 Apr – 8 May
3 Jun
6-8 wk
19 Jun
15 Jul
0 wk
23 Jun
5 Jul
1 wk after
Spearmint
Mentha spicata
27 Mar – 24 Apr
20 May
8-12 wk
19 Jun
15 Jul
0 wk
24 Jul
5 wk after
Coriander
Coriandrum sativum
19 Jun
14 Aug
0 wk
10 Jul
4 Aug
3 wk after
Garden sage
Salvia officinalis
12 – 26 Apr
5 May
8-10 wk
21 Jun
30 Jun
0 wk
Common thyme
Thymus vulgaris
10 – 24 Apr
10 May
8-10 wk
19 Jun
5 Jul
0 wk
Oregano
Origanum vulgare
24 Apr – 8 May
24 May
6-8 wk
19 Jun
5 Jul
0 wk
24 Jul
5 wk after
Parsley
Petroselinum crispum
24 Apr – 8 May
24 May
6-8 wk
19 Jun
5 Jul
0 wk
23 Jun
25 Jun
1 wk after
Rosemary
Salvia rosmarinus
15 Mar – 12 Apr
1 Apr
10-14 wk
21 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
28 May – 4 Jun
31 May
3-4 wk
25 Jun
1 wk after
Cornflower
Centaurea cyanus
19 Jun
15 Jul
0 wk
23 Jun
5 Jul
1 wk after
Statice
Limonium sinuatum
Fleece
16 – 30 Apr
21 Apr
8-10 wk
25 Jun
1 wk after
Sweet William
Dianthus barbatus
24 Apr – 8 May
6-8 wk
19 Jun
0 wk
5 Jul
2 wk after
Snow-on-the-mountain
Euphorbia marginata
Fleece
30 Apr – 14 May
5 May
6-8 wk
25 Jun
1 wk after
17 Aug
8 wk after
Pinnate dahlia
Dahlia × pinnata
Fleece
26 Apr – 10 May
13 May
6-8 wk
21 Jun
24 Jun
0 wk
Pinnate dahlia (tubers)
Dahlia × pinnata
Greenhouse
4 May – 1 Jun
6 Jun
4-8 wk
29 Jun
4 Jul
1 wk after
29 Jun
1 wk after
Foxglove
Digitalis purpurea
10 – 24 Apr
8-10 wk
19 Jun
0 wk
10 Jul
3 wk after
Busy lizzie
Impatiens walleriana
Fleece
9 Apr – 7 May
11 Jun
8-12 wk
2 Jul
6 Aug
2 wk after
Creeping zinnia
Sanvitalia procumbens
Fleece
30 Apr – 14 May
15 May
6-8 wk
25 Jun
26 Jun
1 wk after
Hyacinth bean
Dolichos lablab
Season too short
21 May – 4 Jun
4-6 wk
2 Jul
2 wk after
Chinese lantern
Physalis alkekengi
12 – 26 Apr
20 Apr
8-10 wk
21 Jun
0 wk
Love in a mist
Nigella damascena
19 Jun
30 Jun
0 wk
23 Jun
1 wk after
Strawflower
Xerochrysum bracteatum
Greenhouse
24 Apr – 8 May
10 May
6-8 wk
19 Jun
21 Jun
0 wk
30 Jul
6 wk after
Purple-top vervain
Verbena bonariensis
29 Mar – 26 Apr
20 Apr
8-12 wk
21 Jun
0 wk
Cardoon
Cynara cardunculus
Greenhouse
27 Mar – 24 Apr
8-12 wk
19 Jun
0 wk
Regal-foxtail
Ptilotus nobilis
Season too short
2 – 30 Apr
16 Apr
8-12 wk
25 Jun
1 wk after
Globe amaranth
Gomphrena globosa
Season too short
30 Apr – 14 May
30 Apr
6-8 wk
25 Jun
1 wk after
Corn poppy
Papaver rhoeas
19 Jun
15 Jul
0 wk
23 Jun
5 Jul
1 wk after
Snapdragon
Antirrhinum majus
27 Mar – 24 Apr
10 May
8-12 wk
19 Jun
5 Jul
0 wk
5 Jul
2 wk after
Flossflower
Ageratum houstonianum
Greenhouse
16 – 30 Apr
16 May
8-10 wk
25 Jun
11 Jul
1 wk after
Sweet pea
Lathyrus odoratus
24 Apr – 15 May
31 May
5-8 wk
19 Jun
5 Jul
0 wk
Stock
Matthiola incana
24 Apr – 8 May
3 Jun
6-8 wk
19 Jun
15 Jul
0 wk
10 Jul
3 wk after
Wormwood
Artemisia absinthium
24 Apr – 8 May
4 May
6-8 wk
19 Jun
0 wk
10 Jul
3 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
14 – 28 May
4-6 wk
25 Jun
1 wk after
Garden pansy
Viola × wittrockiana
10 – 24 Apr
20 May
8-10 wk
19 Jun
15 Jul
0 wk
5 Jul
5 Jul
2 wk after
Petunia
Petunia
Fleece
2 – 30 Apr
21 Apr
8-12 wk
25 Jun
1 wk after
Sweet Scabious
Scabiosa atropurpurea
26 Apr – 10 May
4 May
6-8 wk
21 Jun
0 wk
7 Aug
7 wk after
Common zinnia
Zinnia elegans
Fleece
14 – 28 May
24 May
4-6 wk
25 Jun
1 wk after
Common morning glory
Ipomoea purpurea
Greenhouse
21 May – 4 Jun
31 May
3-5 wk
25 Jun
1 wk after
Garden cosmos
Cosmos bipinnatus
Fleece
14 – 28 May
27 May
4-6 wk
25 Jun
1 wk after
24 Jul
5 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
9 Apr – 7 May
16 May
8-12 wk
2 Jul
11 Jul
2 wk after
Bee balm
Monarda didyma
27 Mar – 24 Apr
20 Apr
8-12 wk
19 Jun
0 wk
24 Jul
5 wk after
Yarrow
Achillea millefolium
24 Apr – 8 May
6-8 wk
19 Jun
0 wk
10 Jul
3 wk after
Safflower
Carthamus tinctorius
19 Jun
0 wk
23 Jun
1 wk after
Iceland poppy
Papaver nudicaule
Season too short
24 Apr – 8 May
24 May
6-8 wk
19 Jun
5 Jul
0 wk
1 Jun
25 Jun
3 wk before
Bishop's flower
Ammi majus
8 – 22 May
7 Jun
4-6 wk
19 Jun
5 Jul
0 wk
10 Jul
3 wk after
Drumsticks
Pycnosorus globosus
Season too short
2 – 16 Apr
10-12 wk
25 Jun
1 wk after
Sunflower
Helianthus annuus
4 – 11 Jun
9 Jun
3-4 wk
2 Jul
2 wk after
24 Jul
5 wk after
China aster
Callistephus chinensis
7 – 21 May
29 May
6-8 wk
2 Jul
10 Jul
2 wk after
7 Aug
7 wk after
Annual phlox
Phlox drummondii
Fleece
24 Apr – 8 May
15 May
6-8 wk
19 Jun
26 Jun
0 wk
24 Jul
5 wk after
Hollyhock
Alcea rosea
24 Apr – 8 May
6-8 wk
19 Jun
0 wk
10 Jul
3 wk after
Alpine delphinium
Delphinium elatum
27 Mar – 24 Apr
20 Apr
8-12 wk
19 Jun
0 wk
24 Jul
5 wk after
African marigold
Tagetes erecta
Fleece
30 Apr – 14 May
15 May
6-8 wk
25 Jun
26 Jun
1 wk after
Black-eyed Susan
Rudbeckia hirta
26 Apr – 10 May
19 May
6-8 wk
21 Jun
30 Jun
0 wk
7 Aug
7 wk after
Wood sage
Salvia nemorosa
10 – 24 Apr
10 Apr
8-10 wk
19 Jun
0 wk
24 Jul
5 wk after
Black-eyed susan vine
Thunbergia alata
Greenhouse
16 Apr – 14 May
10 May
6-10 wk
25 Jun
1 wk after
California goldenpoppy
Eschscholzia californica
19 Jun
15 Jul
0 wk
23 Jun
5 Jul
1 wk after
Painted tongue
Salpiglossis sinuata
Fleece
16 – 30 Apr
10 May
8-10 wk
25 Jun
5 Jul
1 wk after
Water forget-me-not
Myosotis scorpioides
24 Apr – 8 May
4 May
6-8 wk
19 Jun
0 wk
10 Jul
3 wk after