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-1.2°
Last 24h: Slight frost recorded tonight at 03:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 28 May Frost 1 of 4 years · 20 years of data
Frost-free season 113 days 28 May – 18 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)
9 – 23 Apr
12 Jun
5-7 wk
28 May
17 Jul
0 wk
29 May
7 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
16 – 30 Apr
24 Jun
4-6 wk
28 May
22 Jul
0 wk
29 May
12 Jul
0 wk
Chili pepper
Capsicum annuum
Greenhouse
16 Mar – 13 Apr
14 Apr
8-12 wk
8 Jun
9 Jun
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
9 – 23 Apr
7 Jun
5-7 wk
28 May
12 Jul
0 wk
28 May
2 Jul
0 wk
Garden cucumber
Cucumis sativus
3 – 10 Jun
3-4 wk
1 Jul
5 wk after
Florence Fennel
Foeniculum vulgare
27 May – 3 Jun
28 May
4-5 wk
1 Jul
5 wk after
10 Jul
6 wk after
Butter bean
Phaseolus lunatus
Season too short
10 – 17 Jun
3-4 wk
8 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
5 Mar – 2 Apr
28 Mar
8-12 wk
28 May
0 wk
10 Jun
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
29 May
12 Jun
0 wk
29 May
2 Jun
0 wk
Maize
Zea mays
20 – 27 May
3-4 wk
17 Jun
3 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
6 – 13 May
1 Jul
3-4 wk
3 Jun
22 Jul
1 wk after
10 Jun
12 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
28 May
2 Jul
0 wk
28 May
22 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
9 – 23 Apr
7 Jun
5-7 wk
28 May
12 Jul
0 wk
28 May
2 Jul
0 wk
Potato
Solanum tuberosum
26 Apr – 10 May
28 May
4-6 wk
7 Jun
25 Jun
1 wk after
7 Jun
15 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
9 – 23 Apr
17 Jun
5-7 wk
28 May
22 Jul
0 wk
29 May
12 Jul
0 wk
Pumpkin
Cucurbita pepo
3 – 10 Jun
13 Jun
3-4 wk
1 Jul
4 Jul
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
6 – 13 May
14 Jun
3-4 wk
3 Jun
5 Jul
1 wk after
10 Jun
25 Jun
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
16 – 30 Apr
19 Jun
4-6 wk
28 May
17 Jul
0 wk
Lettuce
Lactuca sativa
30 Apr – 7 May
6 Jul
3-4 wk
28 May
27 Jul
0 wk
29 May
17 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
16 – 30 Apr
19 Jun
4-6 wk
28 May
17 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
30 Apr – 14 May
29 May
2-4 wk
28 May
12 Jun
0 wk
28 May
2 Jun
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
29 May
12 Jun
0 wk
29 May
2 Jun
0 wk
Spinach
Spinacia oleracea
30 Apr – 7 May
21 Jul
3-4 wk
28 May
11 Aug
0 wk
25 May
1 Aug
0 wk
Sweet potato
Ipomoea batatas
22 Jun – 6 Jul
4-6 wk
3 Aug
10 wk after
Garden tomato
Solanum lycopersicum
22 Apr – 6 May
24 Apr
6-8 wk
17 Jun
3 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
20 May – 3 Jun
15 Jun
2-4 wk
17 Jun
29 Jun
3 wk after
10 Jul
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
16 – 30 Apr
19 Jun
4-6 wk
28 May
17 Jul
0 wk
Garden pea
Pisum sativum
30 Apr – 7 May
21 Jun
3-4 wk
28 May
12 Jul
0 wk
29 May
2 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
20 May – 3 Jun
22 May
4-6 wk
1 Jul
5 wk after
Lemon balm
Melissa officinalis
19 Mar – 2 Apr
17 May
8-10 wk
28 May
12 Jul
0 wk
22 Jun
2 Jul
4 wk after
Dill
Anethum graveolens
29 May
22 Jul
0 wk
Wild chives
Allium schoenoprasum
2 – 16 Apr
31 May
6-8 wk
28 May
12 Jul
0 wk
29 May
2 Jul
0 wk
Spearmint
Mentha spicata
5 Mar – 2 Apr
17 May
8-12 wk
28 May
12 Jul
0 wk
22 Jun
2 Jul
4 wk after
Coriander
Coriandrum sativum
28 May
11 Aug
0 wk
10 Jun
1 Aug
2 wk after
Garden sage
Salvia officinalis
25 Mar – 8 Apr
2 May
8-10 wk
3 Jun
27 Jun
1 wk after
Common thyme
Thymus vulgaris
19 Mar – 2 Apr
7 May
8-10 wk
28 May
2 Jul
0 wk
Oregano
Origanum vulgare
2 – 16 Apr
21 May
6-8 wk
28 May
2 Jul
0 wk
22 Jun
22 Jun
4 wk after
Parsley
Petroselinum crispum
2 – 16 Apr
21 May
6-8 wk
28 May
2 Jul
0 wk
29 May
22 Jun
0 wk
Rosemary
Salvia rosmarinus
25 Feb – 25 Mar
2 Apr
10-14 wk
3 Jun
11 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
3 – 10 Jun
3-4 wk
1 Jul
5 wk after
Cornflower
Centaurea cyanus
28 May
12 Jul
0 wk
29 May
2 Jul
0 wk
Statice
Limonium sinuatum
8 – 22 Apr
30 Apr
8-10 wk
17 Jun
25 Jun
3 wk after
Sweet William
Dianthus barbatus
2 – 16 Apr
6-8 wk
28 May
0 wk
7 Jun
1 wk after
Snow-on-the-mountain
Euphorbia marginata
22 Apr – 6 May
14 May
6-8 wk
17 Jun
25 Jun
3 wk after
3 Aug
10 wk after
Pinnate dahlia
Dahlia × pinnata
17 Apr – 1 May
20 May
6-8 wk
12 Jun
1 Jul
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
27 Apr – 25 May
3 Jun
4-8 wk
22 Jun
1 Jul
4 wk after
22 Jun
4 wk after
Foxglove
Digitalis purpurea
19 Mar – 2 Apr
8-10 wk
28 May
0 wk
10 Jun
2 wk after
Busy lizzie
Impatiens walleriana
8 Apr – 6 May
17 Jun
8-12 wk
1 Jul
12 Aug
5 wk after
Creeping zinnia
Sanvitalia procumbens
22 Apr – 6 May
24 May
6-8 wk
17 Jun
5 Jul
3 wk after
Hyacinth bean
Dolichos lablab
Season too short
6 – 20 May
4-6 wk
17 Jun
3 wk after
Chinese lantern
Physalis alkekengi
25 Mar – 8 Apr
17 Apr
8-10 wk
3 Jun
12 Jun
1 wk after
Love in a mist
Nigella damascena
28 May
27 Jun
0 wk
29 May
17 Jun
0 wk
Strawflower
Xerochrysum bracteatum
22 Apr – 6 May
4 May
6-8 wk
17 Jun
3 wk after
3 Aug
10 wk after
Purple-top vervain
Verbena bonariensis
11 Mar – 8 Apr
17 Apr
8-12 wk
3 Jun
12 Jun
1 wk after
Cardoon
Cynara cardunculus
Fleece
16 Mar – 13 Apr
18 Mar
8-12 wk
8 Jun
2 wk after
Regal-foxtail
Ptilotus nobilis
Fleece
25 Mar – 22 Apr
22 Apr
8-12 wk
17 Jun
17 Jun
3 wk after
Globe amaranth
Gomphrena globosa
Fleece
22 Apr – 6 May
6 May
6-8 wk
17 Jun
17 Jun
3 wk after
Corn poppy
Papaver rhoeas
28 May
12 Jul
0 wk
29 May
2 Jul
0 wk
Snapdragon
Antirrhinum majus
5 Mar – 2 Apr
7 May
8-12 wk
28 May
2 Jul
0 wk
7 Jun
22 Jun
1 wk after
Flossflower
Ageratum houstonianum
22 Apr – 6 May
10 May
8-10 wk
1 Jul
5 Jul
5 wk after
Sweet pea
Lathyrus odoratus
2 – 23 Apr
28 May
5-8 wk
28 May
2 Jul
0 wk
Stock
Matthiola incana
2 – 16 Apr
31 May
6-8 wk
28 May
12 Jul
0 wk
10 Jun
2 Jul
2 wk after
Wormwood
Artemisia absinthium
2 – 16 Apr
1 May
6-8 wk
28 May
12 Jun
0 wk
10 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Fleece
6 – 20 May
15 May
4-6 wk
17 Jun
3 wk after
Garden pansy
Viola × wittrockiana
19 Mar – 2 Apr
17 May
8-10 wk
28 May
12 Jul
0 wk
7 Jun
2 Jul
1 wk after
Petunia
Petunia
25 Mar – 22 Apr
30 Apr
8-12 wk
17 Jun
25 Jun
3 wk after
Sweet Scabious
Scabiosa atropurpurea
8 – 22 Apr
1 May
6-8 wk
3 Jun
12 Jun
1 wk after
10 Jul
6 wk after
Common zinnia
Zinnia elegans
6 – 20 May
30 May
4-6 wk
17 Jun
27 Jun
3 wk after
Common morning glory
Ipomoea purpurea
27 May – 10 Jun
29 May
3-5 wk
1 Jul
5 wk after
Garden cosmos
Cosmos bipinnatus
6 – 20 May
3 Jun
4-6 wk
17 Jun
1 Jul
3 wk after
10 Jul
6 wk after
Scarlet milkweed
Asclepias curassavica
20 Apr – 18 May
14 May
8-12 wk
13 Jul
7 wk after
Bee balm
Monarda didyma
5 Mar – 2 Apr
17 Apr
8-12 wk
28 May
12 Jun
0 wk
22 Jun
4 wk after
Yarrow
Achillea millefolium
2 – 16 Apr
6-8 wk
28 May
0 wk
10 Jun
2 wk after
Safflower
Carthamus tinctorius
28 May
12 Jun
0 wk
29 May
2 Jun
0 wk
Iceland poppy
Papaver nudicaule
Season too short
2 – 16 Apr
21 May
6-8 wk
28 May
2 Jul
0 wk
12 May
22 Jun
2 wk before
Bishop's flower
Ammi majus
16 – 30 Apr
4 Jun
4-6 wk
28 May
2 Jul
0 wk
10 Jun
22 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Fleece
25 Mar – 8 Apr
2 Apr
10-12 wk
17 Jun
3 wk after
Sunflower
Helianthus annuus
20 – 27 May
10 Jun
3-4 wk
17 Jun
1 Jul
3 wk after
22 Jun
4 wk after
China aster
Callistephus chinensis
22 Apr – 6 May
30 May
6-8 wk
17 Jun
11 Jul
3 wk after
10 Jul
6 wk after
Annual phlox
Phlox drummondii
13 – 27 Apr
24 May
6-8 wk
8 Jun
5 Jul
2 wk after
10 Jul
6 wk after
Hollyhock
Alcea rosea
2 – 16 Apr
6-8 wk
28 May
0 wk
10 Jun
2 wk after
Alpine delphinium
Delphinium elatum
5 Mar – 2 Apr
17 Apr
8-12 wk
28 May
12 Jun
0 wk
22 Jun
4 wk after
African marigold
Tagetes erecta
22 Apr – 6 May
24 May
6-8 wk
17 Jun
5 Jul
3 wk after
Black-eyed Susan
Rudbeckia hirta
8 – 22 Apr
20 May
6-8 wk
3 Jun
1 Jul
1 wk after
10 Jul
6 wk after
Wood sage
Salvia nemorosa
19 Mar – 2 Apr
7 Apr
8-10 wk
28 May
2 Jun
0 wk
22 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
22 Apr – 20 May
8 May
6-10 wk
1 Jul
5 wk after
California goldenpoppy
Eschscholzia californica
28 May
12 Jul
0 wk
29 May
2 Jul
0 wk
Painted tongue
Salpiglossis sinuata
8 – 22 Apr
30 Apr
8-10 wk
17 Jun
25 Jun
3 wk after
Water forget-me-not
Myosotis scorpioides
2 – 16 Apr
1 May
6-8 wk
28 May
12 Jun
0 wk
10 Jun
2 wk after