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-1.1°
Last 24h: Slight frost recorded tonight at 01:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 24 May Frost 3 of 4 years · 20 years of data
Frost-free season 116 days 24 May – 17 Sep
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)
5 – 19 Apr
10 Jun
5-7 wk
24 May
15 Jul
0 wk
25 May
5 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
12 – 26 Apr
22 Jun
4-6 wk
24 May
20 Jul
0 wk
25 May
10 Jul
0 wk
Chili pepper
Capsicum annuum
Season too short
12 Mar – 9 Apr
8-12 wk
4 Jun
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
5 – 19 Apr
5 Jun
5-7 wk
24 May
10 Jul
0 wk
24 May
30 Jun
0 wk
Garden cucumber
Cucumis sativus
Season too short
7 – 14 May
7 May
3-4 wk
4 Jun
2 wk after
Florence Fennel
Foeniculum vulgare
Fleece
9 – 16 May
31 May
4-5 wk
13 Jun
28 Jun
3 wk after
18 Jun
18 Jun
4 wk after
Butter bean
Phaseolus lunatus
Season too short
6 – 13 Jun
3-4 wk
4 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
Fleece
1 – 29 Mar
26 Mar
8-12 wk
24 May
0 wk
30 May
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
Fleece
21 May
10 Jun
0 wk
21 May
31 May
0 wk
Maize
Zea mays
Greenhouse
30 Apr – 7 May
3-4 wk
28 May
1 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
2 – 9 May
27 Jun
3-4 wk
30 May
18 Jul
1 wk after
6 Jun
8 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
24 May
30 Jun
0 wk
24 May
20 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
5 – 19 Apr
5 Jun
5-7 wk
24 May
10 Jul
0 wk
24 May
30 Jun
0 wk
Potato
Solanum tuberosum
Greenhouse
9 – 23 Apr
2 Jun
4-6 wk
21 May
30 Jun
0 wk
21 May
20 Jun
0 wk
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
5 – 19 Apr
15 Jun
5-7 wk
24 May
20 Jul
0 wk
25 May
10 Jul
0 wk
Pumpkin
Cucurbita pepo
Greenhouse
7 – 14 May
11 Jun
3-4 wk
4 Jun
2 Jul
2 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
Fleece
26 Apr – 3 May
26 Apr
3-4 wk
24 May
0 wk
30 May
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
12 – 26 Apr
17 Jun
4-6 wk
24 May
15 Jul
0 wk
Lettuce
Lactuca sativa
26 Apr – 3 May
4 Jul
3-4 wk
24 May
25 Jul
0 wk
25 May
15 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
12 – 26 Apr
17 Jun
4-6 wk
24 May
15 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
Fleece
20 Apr – 4 May
27 May
2-4 wk
18 May
10 Jun
1 wk before
18 May
31 May
1 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
Fleece
21 May
10 Jun
0 wk
21 May
31 May
0 wk
Spinach
Spinacia oleracea
26 Apr – 3 May
19 Jul
3-4 wk
24 May
9 Aug
0 wk
21 May
30 Jul
0 wk
Sweet potato
Ipomoea batatas
18 Jun – 2 Jul
4-6 wk
30 Jul
10 wk after
Garden tomato
Solanum lycopersicum
Greenhouse
2 – 16 Apr
6 Apr
6-8 wk
28 May
1 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Greenhouse
30 Apr – 14 May
13 Jun
2-4 wk
28 May
27 Jun
1 wk after
6 Jun
17 Jun
2 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
12 – 26 Apr
17 Jun
4-6 wk
24 May
15 Jul
0 wk
Garden pea
Pisum sativum
26 Apr – 3 May
19 Jun
3-4 wk
24 May
10 Jul
0 wk
25 May
30 Jun
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
23 Apr – 7 May
20 May
4-6 wk
4 Jun
17 Jun
2 wk after
Lemon balm
Melissa officinalis
15 – 29 Mar
15 May
8-10 wk
24 May
10 Jul
0 wk
18 Jun
30 Jun
4 wk after
Dill
Anethum graveolens
25 May
18 Jul
0 wk
Wild chives
Allium schoenoprasum
29 Mar – 12 Apr
29 May
6-8 wk
24 May
10 Jul
0 wk
25 May
30 Jun
0 wk
Spearmint
Mentha spicata
1 – 29 Mar
15 May
8-12 wk
24 May
10 Jul
0 wk
18 Jun
30 Jun
4 wk after
Coriander
Coriandrum sativum
24 May
7 Aug
0 wk
6 Jun
28 Jul
2 wk after
Garden sage
Salvia officinalis
21 Mar – 4 Apr
30 Apr
8-10 wk
30 May
25 Jun
1 wk after
Common thyme
Thymus vulgaris
15 – 29 Mar
5 May
8-10 wk
24 May
30 Jun
0 wk
Oregano
Origanum vulgare
29 Mar – 12 Apr
19 May
6-8 wk
24 May
30 Jun
0 wk
18 Jun
20 Jun
4 wk after
Parsley
Petroselinum crispum
29 Mar – 12 Apr
19 May
6-8 wk
24 May
30 Jun
0 wk
25 May
20 Jun
0 wk
Rosemary
Salvia rosmarinus
21 Feb – 21 Mar
24 Mar
10-14 wk
30 May
2 Jun
1 wk after

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