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No frost in sight Last frost normally in 7 days (16 May), but frost-free in the forecast.
Method
Rel. frost
Last spring frost (0°C) 16 May Frost 3 of 4 years · 20 years of data
Frost-free season 113 days 16 May – 6 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)
28 Mar – 11 Apr
12 Jun
5-7 wk
16 May
17 Jul
0 wk
17 May
7 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
4 – 18 Apr
24 Jun
4-6 wk
16 May
22 Jul
0 wk
17 May
12 Jul
0 wk
Chili pepper
Capsicum annuum
Season too short
4 Mar – 1 Apr
15 Mar
8-12 wk
27 May
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
28 Mar – 11 Apr
7 Jun
5-7 wk
16 May
12 Jul
0 wk
16 May
2 Jul
0 wk
Garden cucumber
Cucumis sativus
Greenhouse
29 Apr – 6 May
21 May
3-4 wk
27 May
11 Jun
2 wk after
Florence Fennel
Foeniculum vulgare
Fleece
1 – 8 May
26 May
4-5 wk
5 Jun
23 Jun
3 wk after
10 Jun
13 Jun
4 wk after
Butter bean
Phaseolus lunatus
Season too short
29 May – 5 Jun
3-4 wk
26 Jun
6 wk after
Onion
Allium cepa (Cepa-gruppen)
21 Feb – 21 Mar
10 Mar
8-12 wk
16 May
0 wk
29 May
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
17 May
25 May
0 wk
17 May
0 wk
Maize
Zea mays
Fleece
29 Apr – 6 May
29 Apr
3-4 wk
27 May
2 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
24 Apr – 1 May
22 Jun
3-4 wk
22 May
13 Jul
1 wk after
29 May
3 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
16 May
1 Jul
0 wk
16 May
21 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
28 Mar – 11 Apr
7 Jun
5-7 wk
16 May
12 Jul
0 wk
16 May
2 Jul
0 wk
Potato
Solanum tuberosum
14 – 28 Apr
29 Apr
4-6 wk
26 May
27 May
1 wk after
26 May
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
28 Mar – 11 Apr
16 Jun
5-7 wk
16 May
21 Jul
0 wk
17 May
11 Jul
0 wk
Pumpkin
Cucurbita pepo
Fleece
8 – 15 May
26 May
3-4 wk
5 Jun
16 Jun
3 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
24 Apr – 1 May
13 May
3-4 wk
22 May
3 Jun
1 wk after
29 May
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
4 – 18 Apr
19 Jun
4-6 wk
16 May
17 Jul
0 wk
Lettuce
Lactuca sativa
18 – 25 Apr
5 Jul
3-4 wk
16 May
26 Jul
0 wk
17 May
16 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
4 – 18 Apr
19 Jun
4-6 wk
16 May
17 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
18 Apr – 2 May
17 May
2-4 wk
16 May
31 May
0 wk
16 May
21 May
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
17 May
25 May
0 wk
17 May
0 wk
Spinach
Spinacia oleracea
18 – 25 Apr
21 Jul
3-4 wk
16 May
11 Aug
0 wk
13 May
1 Aug
0 wk
Sweet potato
Ipomoea batatas
10 – 24 Jun
4-6 wk
22 Jul
10 wk after
Garden tomato
Solanum lycopersicum
Fleece
1 – 15 Apr
8 Apr
6-8 wk
27 May
2 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Fleece
29 Apr – 13 May
28 May
2-4 wk
27 May
11 Jun
2 wk after
10 Jun
4 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
4 – 18 Apr
19 Jun
4-6 wk
16 May
17 Jul
0 wk
Garden pea
Pisum sativum
18 – 25 Apr
20 Jun
3-4 wk
16 May
11 Jul
0 wk
17 May
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
15 – 29 Apr
24 May
4-6 wk
27 May
21 Jun
2 wk after
Lemon balm
Melissa officinalis
7 – 21 Mar
16 May
8-10 wk
16 May
11 Jul
0 wk
10 Jun
1 Jul
4 wk after
Dill
Anethum graveolens
17 May
13 Jul
0 wk
Wild chives
Allium schoenoprasum
21 Mar – 4 Apr
31 May
6-8 wk
16 May
12 Jul
0 wk
17 May
2 Jul
0 wk
Spearmint
Mentha spicata
21 Feb – 21 Mar
17 May
8-12 wk
16 May
12 Jul
0 wk
10 Jun
2 Jul
4 wk after
Coriander
Coriandrum sativum
16 May
2 Aug
0 wk
29 May
23 Jul
2 wk after
Garden sage
Salvia officinalis
13 – 27 Mar
2 May
8-10 wk
22 May
27 Jun
1 wk after
Common thyme
Thymus vulgaris
7 – 21 Mar
7 May
8-10 wk
16 May
2 Jul
0 wk
Oregano
Origanum vulgare
21 Mar – 4 Apr
21 May
6-8 wk
16 May
2 Jul
0 wk
10 Jun
22 Jun
4 wk after
Parsley
Petroselinum crispum
21 Mar – 4 Apr
21 May
6-8 wk
16 May
2 Jul
0 wk
17 May
22 Jun
0 wk
Rosemary
Salvia rosmarinus
13 Feb – 13 Mar
23 Mar
10-14 wk
22 May
1 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
29 Apr – 6 May
31 May
3-4 wk
27 May
21 Jun
2 wk after
Cornflower
Centaurea cyanus
16 May
12 Jul
0 wk
17 May
2 Jul
0 wk
Statice
Limonium sinuatum
27 Mar – 10 Apr
11 Apr
8-10 wk
5 Jun
6 Jun
3 wk after
Sweet William
Dianthus barbatus
21 Mar – 4 Apr
6-8 wk
16 May
0 wk
26 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
10 – 24 Apr
25 Apr
6-8 wk
5 Jun
6 Jun
3 wk after
22 Jul
10 wk after
Pinnate dahlia
Dahlia × pinnata
5 – 19 Apr
30 Apr
6-8 wk
31 May
11 Jun
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
15 Apr – 13 May
14 May
4-8 wk
10 Jun
11 Jun
4 wk after
10 Jun
4 wk after
Foxglove
Digitalis purpurea
7 – 21 Mar
8-10 wk
16 May
0 wk
29 May
2 wk after
Busy lizzie
Impatiens walleriana
27 Mar – 24 Apr
22 May
8-12 wk
19 Jun
17 Jul
5 wk after
Creeping zinnia
Sanvitalia procumbens
10 – 24 Apr
5 May
6-8 wk
5 Jun
16 Jun
3 wk after
Hyacinth bean
Dolichos lablab
Season too short
24 Apr – 8 May
4-6 wk
5 Jun
3 wk after
Chinese lantern
Physalis alkekengi
13 – 27 Mar
8 Apr
8-10 wk
22 May
3 Jun
1 wk after
Love in a mist
Nigella damascena
16 May
26 Jun
0 wk
17 May
16 Jun
0 wk
Strawflower
Xerochrysum bracteatum
Fleece
1 – 15 Apr
25 Apr
6-8 wk
27 May
6 Jun
2 wk after
5 Jul
7 wk after
Purple-top vervain
Verbena bonariensis
27 Feb – 27 Mar
8 Apr
8-12 wk
22 May
3 Jun
1 wk after
Cardoon
Cynara cardunculus
Greenhouse
25 Feb – 25 Mar
18 Mar
8-12 wk
20 May
1 wk after
Regal-foxtail
Ptilotus nobilis
Greenhouse
4 Mar – 1 Apr
16 Apr
8-12 wk
27 May
11 Jun
2 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
1 – 15 Apr
30 Apr
6-8 wk
27 May
11 Jun
2 wk after
Corn poppy
Papaver rhoeas
16 May
11 Jul
0 wk
17 May
1 Jul
0 wk
Snapdragon
Antirrhinum majus
21 Feb – 21 Mar
6 May
8-12 wk
16 May
1 Jul
0 wk
26 May
21 Jun
1 wk after
Flossflower
Ageratum houstonianum
Fleece
27 Mar – 10 Apr
1 May
8-10 wk
5 Jun
26 Jun
3 wk after
Sweet pea
Lathyrus odoratus
21 Mar – 11 Apr
28 May
5-8 wk
16 May
2 Jul
0 wk
Stock
Matthiola incana
21 Mar – 4 Apr
30 May
6-8 wk
16 May
11 Jul
0 wk
29 May
1 Jul
2 wk after
Wormwood
Artemisia absinthium
21 Mar – 4 Apr
1 May
6-8 wk
16 May
12 Jun
0 wk
29 May
2 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
15 – 29 Apr
9 May
4-6 wk
27 May
6 Jun
2 wk after
Garden pansy
Viola × wittrockiana
7 – 21 Mar
17 May
8-10 wk
16 May
12 Jul
0 wk
26 May
2 Jul
1 wk after
Petunia
Petunia
13 Mar – 10 Apr
11 Apr
8-12 wk
5 Jun
6 Jun
3 wk after
Sweet Scabious
Scabiosa atropurpurea
27 Mar – 10 Apr
22 Apr
6-8 wk
22 May
3 Jun
1 wk after
28 Jun
6 wk after
Common zinnia
Zinnia elegans
Fleece
15 – 29 Apr
24 May
4-6 wk
27 May
21 Jun
2 wk after
Common morning glory
Ipomoea purpurea
Greenhouse
22 Apr – 6 May
31 May
3-5 wk
27 May
21 Jun
2 wk after
Garden cosmos
Cosmos bipinnatus
24 Apr – 8 May
14 May
4-6 wk
5 Jun
11 Jun
3 wk after
28 Jun
6 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
13 Mar – 10 Apr
16 May
8-12 wk
5 Jun
11 Jul
3 wk after
Bee balm
Monarda didyma
21 Feb – 21 Mar
16 Apr
8-12 wk
16 May
11 Jun
0 wk
10 Jun
4 wk after
Yarrow
Achillea millefolium
21 Mar – 4 Apr
1 Apr
6-8 wk
16 May
0 wk
29 May
2 wk after
Safflower
Carthamus tinctorius
16 May
12 Jun
0 wk
17 May
2 Jun
0 wk
Iceland poppy
Papaver nudicaule
Season too short
21 Mar – 4 Apr
21 May
6-8 wk
16 May
2 Jul
0 wk
30 Apr
22 Jun
2 wk before
Bishop's flower
Ammi majus
4 – 18 Apr
3 Jun
4-6 wk
16 May
1 Jul
0 wk
29 May
21 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
4 – 18 Mar
22 Mar
10-12 wk
27 May
31 May
2 wk after
Sunflower
Helianthus annuus
8 – 15 May
31 May
3-4 wk
5 Jun
21 Jun
3 wk after
10 Jun
11 Jun
4 wk after
China aster
Callistephus chinensis
10 – 24 Apr
20 May
6-8 wk
5 Jun
1 Jul
3 wk after
28 Jun
6 wk after
Annual phlox
Phlox drummondii
1 – 15 Apr
5 May
6-8 wk
27 May
16 Jun
2 wk after
28 Jun
6 wk after
Hollyhock
Alcea rosea
21 Mar – 4 Apr
6-8 wk
16 May
0 wk
29 May
2 wk after
Alpine delphinium
Delphinium elatum
21 Feb – 21 Mar
16 Apr
8-12 wk
16 May
11 Jun
0 wk
10 Jun
4 wk after
African marigold
Tagetes erecta
10 – 24 Apr
5 May
6-8 wk
5 Jun
16 Jun
3 wk after
Black-eyed Susan
Rudbeckia hirta
27 Mar – 10 Apr
10 May
6-8 wk
22 May
21 Jun
1 wk after
28 Jun
6 wk after
Wood sage
Salvia nemorosa
7 – 21 Mar
6 Apr
8-10 wk
16 May
1 Jun
0 wk
10 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
Greenhouse
18 Mar – 15 Apr
10 May
6-10 wk
27 May
21 Jun
2 wk after
California goldenpoppy
Eschscholzia californica
16 May
9 Jul
0 wk
17 May
29 Jun
0 wk
Painted tongue
Salpiglossis sinuata
27 Mar – 10 Apr
15 Apr
8-10 wk
5 Jun
10 Jun
3 wk after
Water forget-me-not
Myosotis scorpioides
21 Mar – 4 Apr
1 May
6-8 wk
16 May
12 Jun
0 wk
29 May
2 Jun
2 wk after