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Rel. frost
Last spring frost (0°C) 15 Jun Frost 1 of 10 years · 20 years of data
Frost-free season 113 days 15 Jun – 6 Oct
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
Date Growing timeGrow. time Date Rel. frost Date Rel. frost
Cauliflower
Brassica oleracea (Botrytis-gruppen)
Season too short
3 – 17 May
5-7 wk
21 Jun
1 wk after
17 May
4 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
21 May – 4 Jun
4-6 wk
2 Jul
2 wk after
11 Jun
1 wk before
Chili pepper
Capsicum annuum
Season too short
27 Apr – 25 May
8-12 wk
20 Jul
5 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
3 – 17 Apr
5-7 wk
22 May
4 wk before
7 Jun
2 wk before
Cucumber
Cucumis sativus
Season too short
22 – 29 Jun
3-4 wk
20 Jul
5 wk after
Florence Fennel
Foeniculum vulgare
Season too short
15 – 22 Jun
4-5 wk
20 Jul
5 wk after
25 Jun
1 wk after
Butter bean
Phaseolus lunatus
Season too short
23 – 30 Jun
3-4 wk
21 Jul
5 wk after
Onion
Allium cepa (Cepa-gruppen)
23 Mar – 20 Apr
8-12 wk
15 Jun
Vid frost
28 Jun
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
28 Jun
1 wk after
Sweetcorn
Zea mays
Season too short
15 – 22 Jun
3-4 wk
13 Jul
4 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
Fleece
1 – 8 Jun
3-4 wk
29 Jun
2 wk after
14 Jun
Carrot
Daucus carota subsp. sativus var. sativus
7 Jun
2 wk before
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
3 – 17 Apr
5-7 wk
22 May
4 wk before
7 Jun
2 wk before
Potato
Solanum tuberosum
21 Jun – 5 Jul
4-6 wk
2 Aug
7 wk after
23 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
3 – 17 Apr
5-7 wk
22 May
4 wk before
11 Jun
1 wk before
Pumpkin
Cucurbita pepo
Season too short
22 – 29 Jun
3-4 wk
20 Jul
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
Fleece
1 – 8 Jun
3-4 wk
29 Jun
2 wk after
14 Jun
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
21 May – 4 Jun
4-6 wk
2 Jul
2 wk after
Lettuce
Lactuca sativa
11 – 18 May
3-4 wk
8 Jun
1 wk before
11 Jun
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
27 Apr – 11 May
4-6 wk
8 Jun
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
3 – 17 May
2-4 wk
31 May
2 wk before
7 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
11 Jun
1 wk before
Spinach
Spinacia oleracea
3 – 10 May
3-4 wk
31 May
2 wk before
2 Jun
3 wk before
Sweet potato
Ipomoea batatas
3 – 17 Jul
4-6 wk
14 Aug
8 wk after
Tomato
Solanum lycopersicum
Season too short
12 – 26 May
6-8 wk
7 Jul
3 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
Season too short
9 – 23 Jun
2-4 wk
7 Jul
3 wk after
25 Jun
1 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
21 May – 4 Jun
4-6 wk
2 Jul
2 wk after
Pea
Pisum sativum
3 – 10 May
3-4 wk
31 May
2 wk before
11 Jun
1 wk before
Current date Soon Date passed

Herbs

Plant Sow indoors Transplant Direct sow
Date Growing timeGrow. time Date Rel. frost Date Rel. frost
Basil
Ocimum basilicum
Season too short
1 – 15 Jun
4-6 wk
13 Jul
4 wk after
Lemon balm
Melissa officinalis
6 – 20 Apr
8-10 wk
15 Jun
Vid frost
10 Jul
3 wk after
Dill
Anethum graveolens
11 Jun
1 wk before
Chives
Allium schoenoprasum
27 Mar – 10 Apr
6-8 wk
22 May
4 wk before
11 Jun
1 wk before
Spearmint
Mentha spicata
8 Mar – 5 Apr
8-12 wk
31 May
2 wk before
10 Jul
3 wk after
Coriander
Coriandrum sativum
28 Jun
1 wk after
Sage
Salvia officinalis
Greenhouse
12 – 26 Apr
8-10 wk
21 Jun
1 wk after
Thyme
Thymus vulgaris
23 Apr – 7 May
8-10 wk
2 Jul
2 wk after
Oregano
Origanum vulgare
26 Apr – 10 May
6-8 wk
21 Jun
1 wk after
10 Jul
3 wk after
Parsley
Petroselinum crispum
5 – 19 Apr
6-8 wk
31 May
2 wk before
11 Jun
1 wk before
Rosemary
Salvia rosmarinus
Season too short
15 Mar – 12 Apr
10-14 wk
21 Jun
1 wk after
Current date Soon Date passed

Annual flowers

Plant Sow indoors Transplant Direct sow
Date Growing timeGrow. time Date Rel. frost Date Rel. frost
Morning glory
Ipomoea tricolor
Season too short
4 – 11 Jul
3-4 wk
1 Aug
7 wk after
Cornflower
Centaurea cyanus
31 May
2 wk before
11 Jun
1 wk before
Statice
Limonium sinuatum
Season too short
28 Apr – 12 May
8-10 wk
7 Jul
3 wk after
Sweet William
Dianthus barbatus
5 – 19 Apr
6-8 wk
31 May
2 wk before
23 Jun
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Season too short
12 – 26 May
6-8 wk
7 Jul
3 wk after
13 Jul
4 wk after
Dahlia
Dahlia × pinnata
Season too short
4 – 18 May
6-8 wk
29 Jun
2 wk after
Dahlia (tubers)
Dahlia × pinnata
Fleece
30 Apr – 28 May
4-8 wk
25 Jun
1 wk after
25 Jun
1 wk after
Foxglove
Digitalis purpurea
22 Mar – 5 Apr
8-10 wk
31 May
2 wk before
28 Jun
1 wk after
Busy lizzie
Impatiens walleriana
Greenhouse
27 Apr – 25 May
8-12 wk
20 Jul
5 wk after
Creeping zinnia
Sanvitalia procumbens
Season too short
12 – 26 May
6-8 wk
7 Jul
3 wk after
Hyacinth bean
Dolichos lablab
Season too short
20 Jun – 4 Jul
4-6 wk
1 Aug
7 wk after
Chinese lantern
Physalis alkekengi
Season too short
12 – 26 Apr
8-10 wk
21 Jun
1 wk after
Love in a mist
Nigella damascena
11 Jun
1 wk before
Strawflower
Xerochrysum bracteatum
Season too short
12 – 26 May
6-8 wk
7 Jul
3 wk after
13 Jul
4 wk after
Tall verbena
Verbena bonariensis
Season too short
29 Mar – 26 Apr
8-12 wk
21 Jun
1 wk after
Cardoon
Cynara cardunculus
Season too short
14 Apr – 12 May
8-12 wk
7 Jul
3 wk after
Regal-foxtail
Ptilotus nobilis
Season too short
27 Apr – 25 May
8-12 wk
20 Jul
5 wk after
Globe amaranth
Gomphrena globosa
Season too short
25 May – 8 Jun
6-8 wk
20 Jul
5 wk after
Corn poppy
Papaver rhoeas
11 Jun
1 wk before
Snapdragon
Antirrhinum majus
16 Mar – 13 Apr
8-12 wk
8 Jun
1 wk before
23 Jun
1 wk after
Flossflower
Ageratum houstonianum
Season too short
11 – 25 May
8-10 wk
20 Jul
5 wk after
Sweet pea
Lathyrus odoratus
5 – 26 Apr
5-8 wk
31 May
2 wk before
Stock
Matthiola incana
13 – 27 Apr
6-8 wk
8 Jun
1 wk before
28 Jun
1 wk after
Wormwood
Artemisia absinthium
5 – 19 Apr
6-8 wk
31 May
2 wk before
28 Jun
1 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
8 – 22 Jun
4-6 wk
20 Jul
5 wk after
Pansy
Viola × wittrockiana
13 – 27 Mar
8-10 wk
22 May
4 wk before
23 Jun
1 wk after
Petunia
Petunia
Season too short
14 Apr – 12 May
8-12 wk
7 Jul
3 wk after
Scabious
Scabiosa atropurpurea
Season too short
26 Apr – 10 May
6-8 wk
21 Jun
1 wk after
25 Jun
1 wk after
Zinnia
Zinnia elegans
Season too short
26 May – 9 Jun
4-6 wk
7 Jul
3 wk after
Common morning glory
Ipomoea purpurea
Season too short
15 – 29 Jun
3-5 wk
20 Jul
5 wk after
Cosmos
Cosmos bipinnatus
Season too short
26 May – 9 Jun
4-6 wk
7 Jul
3 wk after
25 Jun
1 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
9 May – 6 Jun
8-12 wk
1 Aug
7 wk after
Bee balm
Monarda didyma
23 Mar – 20 Apr
8-12 wk
15 Jun
Vid frost
10 Jul
3 wk after
Yarrow
Achillea millefolium
5 – 19 Apr
6-8 wk
31 May
2 wk before
28 Jun
1 wk after
Safflower
Carthamus tinctorius
31 May
2 wk before
11 Jun
1 wk before
Iceland poppy
Papaver nudicaule
27 Mar – 10 Apr
6-8 wk
22 May
4 wk before
7 Jun
2 wk before
Bishop's flower
Ammi majus
15 – 29 May
4-6 wk
26 Jun
1 wk after
28 Jun
1 wk after
Drumsticks
Pycnosorus globosus
Season too short
27 Apr – 11 May
10-12 wk
20 Jul
5 wk after
Sunflower
Helianthus annuus
Season too short
9 – 16 Jun
3-4 wk
7 Jul
3 wk after
14 Jun
China aster
Callistephus chinensis
Season too short
12 – 26 May
6-8 wk
7 Jul
3 wk after
25 Jun
1 wk after
Annual phlox
Phlox drummondii
Greenhouse
30 Apr – 14 May
6-8 wk
25 Jun
1 wk after
25 Jun
1 wk after
Hollyhock
Alcea rosea
5 – 19 Apr
6-8 wk
31 May
2 wk before
28 Jun
1 wk after
Delphinium
Delphinium elatum
9 Apr – 7 May
8-12 wk
2 Jul
2 wk after
10 Jul
3 wk after
African marigold
Tagetes erecta
Season too short
12 – 26 May
6-8 wk
7 Jul
3 wk after
Black-eyed Susan
Rudbeckia hirta
Greenhouse
26 Apr – 10 May
6-8 wk
21 Jun
1 wk after
25 Jun
1 wk after
Woodland sage
Salvia nemorosa
12 – 26 Apr
8-10 wk
21 Jun
1 wk after
10 Jul
3 wk after
Black-eyed susan vine
Thunbergia alata
Season too short
11 May – 8 Jun
6-10 wk
20 Jul
5 wk after
California goldenpoppy
Eschscholzia californica
11 Jun
1 wk before
Painted tongue
Salpiglossis sinuata
Season too short
28 Apr – 12 May
8-10 wk
7 Jul
3 wk after
Water forget-me-not
Myosotis scorpioides
5 – 19 Apr
6-8 wk
31 May
2 wk before
28 Jun
1 wk after
Current date Soon Date passed