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-1.6°
Last 24h: Slight frost recorded tonight at 04:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 31 May Frost 1 of 10 years · 20 years of data
Frost-free season 122 days 31 May – 30 Sep
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
Earliest Latest Growing time Earliest Latest Rel. frost Earliest Latest Rel. frost
Cauliflower
Brassica oleracea (Botrytis-gruppen)
12 – 26 Apr
11 Jun
5-7 wk
31 May
16 Jul
0 wk
1 Jun
6 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
19 Apr – 3 May
23 Jun
4-6 wk
31 May
21 Jul
0 wk
1 Jun
11 Jul
0 wk
Chili pepper
Capsicum annuum
Season too short
14 Mar – 11 Apr
8-12 wk
6 Jun
1 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
12 – 26 Apr
6 Jun
5-7 wk
31 May
11 Jul
0 wk
31 May
1 Jul
0 wk
Garden cucumber
Cucumis sativus
Greenhouse
9 – 16 May
3-4 wk
6 Jun
1 wk after
Florence Fennel
Foeniculum vulgare
28 May – 4 Jun
31 May
4-5 wk
2 Jul
5 wk after
13 Jul
6 wk after
Butter bean
Phaseolus lunatus
Season too short
11 – 18 Jun
3-4 wk
9 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
8 Mar – 5 Apr
22 Mar
8-12 wk
31 May
0 wk
13 Jun
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
1 Jun
6 Jun
0 wk
1 Jun
0 wk
Maize
Zea mays
Greenhouse
3 – 10 May
3-4 wk
31 May
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
5 – 12 May
30 Jun
3-4 wk
2 Jun
21 Jul
0 wk
13 Jun
11 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
31 May
1 Jul
0 wk
31 May
21 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
12 – 26 Apr
6 Jun
5-7 wk
31 May
11 Jul
0 wk
31 May
1 Jul
0 wk
Potato
Solanum tuberosum
29 Apr – 13 May
20 May
4-6 wk
10 Jun
17 Jun
1 wk after
10 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
12 – 26 Apr
16 Jun
5-7 wk
31 May
21 Jul
0 wk
1 Jun
11 Jul
0 wk
Pumpkin
Cucurbita pepo
Greenhouse
9 – 16 May
19 May
3-4 wk
6 Jun
9 Jun
1 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
5 – 12 May
5 Jun
3-4 wk
2 Jun
26 Jun
0 wk
13 Jun
16 Jun
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
19 Apr – 3 May
18 Jun
4-6 wk
31 May
16 Jul
0 wk
Lettuce
Lactuca sativa
3 – 10 May
5 Jul
3-4 wk
31 May
26 Jul
0 wk
1 Jun
16 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
19 Apr – 3 May
18 Jun
4-6 wk
31 May
16 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
3 – 17 May
26 May
2-4 wk
31 May
9 Jun
0 wk
31 May
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
1 Jun
6 Jun
0 wk
1 Jun
0 wk
Spinach
Spinacia oleracea
3 – 10 May
20 Jul
3-4 wk
31 May
10 Aug
0 wk
28 May
31 Jul
0 wk
Sweet potato
Ipomoea batatas
25 Jun – 9 Jul
4-6 wk
6 Aug
10 wk after
Garden tomato
Solanum lycopersicum
Greenhouse
5 – 19 Apr
7 Apr
6-8 wk
31 May
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Fleece
9 – 23 May
15 May
2-4 wk
6 Jun
1 wk after
25 Jun
4 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
19 Apr – 3 May
18 Jun
4-6 wk
31 May
16 Jul
0 wk
Garden pea
Pisum sativum
3 – 10 May
20 Jun
3-4 wk
31 May
11 Jul
0 wk
1 Jun
1 Jul
0 wk

Herbs

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