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No frost in sight Last frost normally in 9 days (18 May), but frost-free in the forecast.
Method
Rel. frost
Last spring frost (0°C) 18 May Normal year · 20 years of data
Frost-free season 125 days 18 May – 20 Sep
Probability that frost is over

50% = 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)
30 Mar – 13 Apr
16 Jun
5-7 wk
18 May
21 Jul
0 wk
22 May
11 Jul
1 wk after
Broccoli
Brassica oleracea (Italica-gruppen)
6 – 20 Apr
28 Jun
4-6 wk
18 May
26 Jul
0 wk
22 May
16 Jul
1 wk after
Chili pepper
Capsicum annuum
Greenhouse
10 Mar – 7 Apr
11 Apr
8-12 wk
2 Jun
6 Jun
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
30 Mar – 13 Apr
11 Jun
5-7 wk
18 May
16 Jul
0 wk
18 May
6 Jul
0 wk
Garden cucumber
Cucumis sativus
2 – 9 Jun
3-4 wk
30 Jun
6 wk after
Florence Fennel
Foeniculum vulgare
26 May – 2 Jun
27 May
4-5 wk
30 Jun
6 wk after
6 Jul
7 wk after
Butter bean
Phaseolus lunatus
Season too short
7 – 14 Jun
3-4 wk
5 Jul
7 wk after
Onion
Allium cepa (Cepa-gruppen)
23 Feb – 23 Mar
22 Mar
8-12 wk
18 May
0 wk
8 Jun
3 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
22 May
6 Jun
1 wk after
22 May
27 May
1 wk after
Maize
Zea mays
Fleece
5 – 12 May
26 May
3-4 wk
2 Jun
16 Jun
2 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
28 Apr – 5 May
1 Jul
3-4 wk
26 May
22 Jul
1 wk after
8 Jun
12 Jul
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
18 May
6 Jul
0 wk
18 May
26 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
30 Mar – 13 Apr
11 Jun
5-7 wk
18 May
16 Jul
0 wk
18 May
6 Jul
0 wk
Potato
Solanum tuberosum
22 Apr – 6 May
21 May
4-6 wk
3 Jun
18 Jun
2 wk after
3 Jun
8 Jun
2 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
30 Mar – 13 Apr
21 Jun
5-7 wk
18 May
26 Jul
0 wk
22 May
16 Jul
1 wk after
Pumpkin
Cucurbita pepo
2 – 9 Jun
10 Jun
3-4 wk
30 Jun
1 Jul
6 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
28 Apr – 5 May
29 May
3-4 wk
26 May
19 Jun
1 wk after
8 Jun
9 Jun
3 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
6 – 20 Apr
23 Jun
4-6 wk
18 May
21 Jul
0 wk
Lettuce
Lactuca sativa
20 – 27 Apr
10 Jul
3-4 wk
18 May
31 Jul
0 wk
22 May
21 Jul
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
6 – 20 Apr
23 Jun
4-6 wk
18 May
21 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
20 Apr – 4 May
30 May
2-4 wk
18 May
13 Jun
0 wk
18 May
3 Jun
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
22 May
6 Jun
1 wk after
22 May
27 May
1 wk after
Spinach
Spinacia oleracea
20 – 27 Apr
25 Jul
3-4 wk
18 May
15 Aug
0 wk
14 May
5 Aug
1 wk before
Sweet potato
Ipomoea batatas
19 Jun – 3 Jul
4-6 wk
31 Jul
11 wk after
Garden tomato
Solanum lycopersicum
Fleece
7 – 21 Apr
5 May
6-8 wk
2 Jun
16 Jun
2 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
17 – 31 May
12 Jun
2-4 wk
14 Jun
26 Jun
4 wk after
6 Jul
7 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
6 – 20 Apr
23 Jun
4-6 wk
18 May
21 Jul
0 wk
Garden pea
Pisum sativum
20 – 27 Apr
25 Jun
3-4 wk
18 May
16 Jul
0 wk
22 May
6 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
19 May – 2 Jun
19 May
4-6 wk
30 Jun
6 wk after
Lemon balm
Melissa officinalis
9 – 23 Mar
21 May
8-10 wk
18 May
16 Jul
0 wk
22 Jun
6 Jul
5 wk after
Dill
Anethum graveolens
22 May
22 Jul
1 wk after
Wild chives
Allium schoenoprasum
23 Mar – 6 Apr
4 Jun
6-8 wk
18 May
16 Jul
0 wk
22 May
6 Jul
1 wk after
Spearmint
Mentha spicata
23 Feb – 23 Mar
21 May
8-12 wk
18 May
16 Jul
0 wk
22 Jun
6 Jul
5 wk after
Coriander
Coriandrum sativum
18 May
11 Aug
0 wk
8 Jun
1 Aug
3 wk after
Garden sage
Salvia officinalis
17 – 31 Mar
6 May
8-10 wk
26 May
1 Jul
1 wk after
Common thyme
Thymus vulgaris
9 – 23 Mar
11 May
8-10 wk
18 May
6 Jul
0 wk
Oregano
Origanum vulgare
23 Mar – 6 Apr
25 May
6-8 wk
18 May
6 Jul
0 wk
22 Jun
26 Jun
5 wk after
Parsley
Petroselinum crispum
23 Mar – 6 Apr
25 May
6-8 wk
18 May
6 Jul
0 wk
22 May
26 Jun
1 wk after
Rosemary
Salvia rosmarinus
17 Feb – 17 Mar
30 Mar
10-14 wk
26 May
8 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
2 – 9 Jun
3-4 wk
30 Jun
6 wk after
Cornflower
Centaurea cyanus
18 May
16 Jul
0 wk
22 May
6 Jul
1 wk after
Statice
Limonium sinuatum
5 – 19 Apr
28 Apr
8-10 wk
14 Jun
23 Jun
4 wk after
Sweet William
Dianthus barbatus
23 Mar – 6 Apr
6-8 wk
18 May
0 wk
3 Jun
2 wk after
Snow-on-the-mountain
Euphorbia marginata
19 Apr – 3 May
12 May
6-8 wk
14 Jun
23 Jun
4 wk after
31 Jul
11 wk after
Pinnate dahlia
Dahlia × pinnata
11 – 25 Apr
13 May
6-8 wk
6 Jun
24 Jun
3 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
27 Apr – 25 May
27 May
4-8 wk
22 Jun
24 Jun
5 wk after
22 Jun
5 wk after
Foxglove
Digitalis purpurea
9 – 23 Mar
8-10 wk
18 May
0 wk
8 Jun
3 wk after
Busy lizzie
Impatiens walleriana
7 Apr – 5 May
15 Jun
8-12 wk
30 Jun
10 Aug
6 wk after
Creeping zinnia
Sanvitalia procumbens
19 Apr – 3 May
22 May
6-8 wk
14 Jun
3 Jul
4 wk after
Hyacinth bean
Dolichos lablab
Season too short
3 – 17 May
4-6 wk
14 Jun
4 wk after
Chinese lantern
Physalis alkekengi
17 – 31 Mar
17 Apr
8-10 wk
26 May
12 Jun
1 wk after
Love in a mist
Nigella damascena
18 May
1 Jul
0 wk
22 May
21 Jun
1 wk after
Strawflower
Xerochrysum bracteatum
19 Apr – 3 May
2 May
6-8 wk
14 Jun
4 wk after
31 Jul
11 wk after
Purple-top vervain
Verbena bonariensis
3 – 31 Mar
17 Apr
8-12 wk
26 May
12 Jun
1 wk after
Cardoon
Cynara cardunculus
Fleece
10 Mar – 7 Apr
22 Mar
8-12 wk
2 Jun
2 wk after
Regal-foxtail
Ptilotus nobilis
7 Apr – 5 May
11 Apr
8-12 wk
30 Jun
6 wk after
Globe amaranth
Gomphrena globosa
5 – 19 May
6-8 wk
30 Jun
6 wk after
Corn poppy
Papaver rhoeas
18 May
16 Jul
0 wk
22 May
6 Jul
1 wk after
Snapdragon
Antirrhinum majus
23 Feb – 23 Mar
11 May
8-12 wk
18 May
6 Jul
0 wk
3 Jun
26 Jun
2 wk after
Flossflower
Ageratum houstonianum
21 Apr – 5 May
8 May
8-10 wk
30 Jun
3 Jul
6 wk after
Sweet pea
Lathyrus odoratus
23 Mar – 13 Apr
1 Jun
5-8 wk
18 May
6 Jul
0 wk
Stock
Matthiola incana
23 Mar – 6 Apr
4 Jun
6-8 wk
18 May
16 Jul
0 wk
8 Jun
6 Jul
3 wk after
Wormwood
Artemisia absinthium
23 Mar – 6 Apr
5 May
6-8 wk
18 May
16 Jun
0 wk
8 Jun
3 wk after
Mexican sunflower
Tithonia rotundifolia
Fleece
3 – 17 May
13 May
4-6 wk
14 Jun
4 wk after
Garden pansy
Viola × wittrockiana
9 – 23 Mar
21 May
8-10 wk
18 May
16 Jul
0 wk
3 Jun
6 Jul
2 wk after
Petunia
Petunia
22 Mar – 19 Apr
28 Apr
8-12 wk
14 Jun
23 Jun
4 wk after
Sweet Scabious
Scabiosa atropurpurea
31 Mar – 14 Apr
1 May
6-8 wk
26 May
12 Jun
1 wk after
6 Jul
7 wk after
Common zinnia
Zinnia elegans
3 – 17 May
28 May
4-6 wk
14 Jun
25 Jun
4 wk after
Common morning glory
Ipomoea purpurea
26 May – 9 Jun
26 May
3-5 wk
30 Jun
6 wk after
Garden cosmos
Cosmos bipinnatus
3 – 17 May
27 May
4-6 wk
14 Jun
24 Jun
4 wk after
6 Jul
7 wk after
Scarlet milkweed
Asclepias curassavica
Fleece
7 Apr – 5 May
20 May
8-12 wk
30 Jun
15 Jul
6 wk after
Bee balm
Monarda didyma
23 Feb – 23 Mar
21 Apr
8-12 wk
18 May
16 Jun
0 wk
22 Jun
5 wk after
Yarrow
Achillea millefolium
23 Mar – 6 Apr
5 Apr
6-8 wk
18 May
0 wk
8 Jun
3 wk after
Safflower
Carthamus tinctorius
18 May
16 Jun
0 wk
22 May
6 Jun
1 wk after
Iceland poppy
Papaver nudicaule
Season too short
23 Mar – 6 Apr
25 May
6-8 wk
18 May
6 Jul
0 wk
30 Apr
26 Jun
3 wk before
Bishop's flower
Ammi majus
6 – 20 Apr
8 Jun
4-6 wk
18 May
6 Jul
0 wk
8 Jun
26 Jun
3 wk after
Drumsticks
Pycnosorus globosus
Fleece
22 Mar – 5 Apr
26 Mar
10-12 wk
14 Jun
4 wk after
Sunflower
Helianthus annuus
17 – 24 May
7 Jun
3-4 wk
14 Jun
28 Jun
4 wk after
22 Jun
5 wk after
China aster
Callistephus chinensis
19 Apr – 3 May
27 May
6-8 wk
14 Jun
8 Jul
4 wk after
6 Jul
7 wk after
Annual phlox
Phlox drummondii
7 – 21 Apr
22 May
6-8 wk
2 Jun
3 Jul
2 wk after
6 Jul
7 wk after
Hollyhock
Alcea rosea
23 Mar – 6 Apr
6-8 wk
18 May
0 wk
8 Jun
3 wk after
Alpine delphinium
Delphinium elatum
23 Feb – 23 Mar
21 Apr
8-12 wk
18 May
16 Jun
0 wk
22 Jun
5 wk after
African marigold
Tagetes erecta
19 Apr – 3 May
22 May
6-8 wk
14 Jun
3 Jul
4 wk after
Black-eyed Susan
Rudbeckia hirta
31 Mar – 14 Apr
17 May
6-8 wk
26 May
28 Jun
1 wk after
6 Jul
7 wk after
Wood sage
Salvia nemorosa
9 – 23 Mar
11 Apr
8-10 wk
18 May
6 Jun
0 wk
22 Jun
5 wk after
Black-eyed susan vine
Thunbergia alata
21 Apr – 19 May
5 May
6-10 wk
30 Jun
6 wk after
California goldenpoppy
Eschscholzia californica
18 May
16 Jul
0 wk
22 May
6 Jul
1 wk after
Painted tongue
Salpiglossis sinuata
5 – 19 Apr
29 Apr
8-10 wk
14 Jun
24 Jun
4 wk after
Water forget-me-not
Myosotis scorpioides
23 Mar – 6 Apr
5 May
6-8 wk
18 May
16 Jun
0 wk
8 Jun
3 wk after