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No frost in sight Last frost normally in 4 days (19 May), but frost-free in the forecast.
Method
Rel. frost
Last spring frost (0°C) 19 May Normal year · 20 years of data
Frost-free season 121 days 19 May – 17 Sep
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)
31 Mar – 14 Apr
16 Jun
5-7 wk
19 May
21 Jul
0 wk
12 May
11 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
7 – 21 Apr
28 Jun
4-6 wk
19 May
26 Jul
0 wk
12 May
16 Jul
1 wk before
Chili pepper
Capsicum annuum
Greenhouse
2 – 30 Mar
1 Apr
8-12 wk
25 May
27 May
1 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
31 Mar – 14 Apr
11 Jun
5-7 wk
19 May
16 Jul
0 wk
7 May
6 Jul
2 wk before
Garden cucumber
Cucumis sativus
Fleece
4 – 11 May
26 May
3-4 wk
1 Jun
16 Jun
2 wk after
Florence Fennel
Foeniculum vulgare
16 – 23 May
25 May
4-5 wk
20 Jun
22 Jun
5 wk after
24 Jun
5 wk after
Butter bean
Phaseolus lunatus
Season too short
30 May – 6 Jun
3-4 wk
27 Jun
6 wk after
Onion
Allium cepa (Cepa-gruppen)
24 Feb – 24 Mar
20 Mar
8-12 wk
19 May
0 wk
29 May
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
12 May
4 Jun
1 wk before
12 May
25 May
1 wk before
Maize
Zea mays
Fleece
27 Apr – 4 May
16 May
3-4 wk
25 May
6 Jun
1 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
23 – 30 Apr
30 Jun
3-4 wk
21 May
21 Jul
0 wk
29 May
11 Jul
1 wk after
Carrot
Daucus carota subsp. sativus var. sativus
19 May
6 Jul
0 wk
7 May
26 Jun
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
31 Mar – 14 Apr
11 Jun
5-7 wk
19 May
16 Jul
0 wk
7 May
6 Jul
2 wk before
Potato
Solanum tuberosum
12 – 26 Apr
19 May
4-6 wk
24 May
16 Jun
1 wk after
24 May
6 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
31 Mar – 14 Apr
21 Jun
5-7 wk
19 May
26 Jul
0 wk
12 May
16 Jul
1 wk before
Pumpkin
Cucurbita pepo
23 – 30 May
31 May
3-4 wk
20 Jun
21 Jun
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
23 – 30 Apr
26 May
3-4 wk
21 May
16 Jun
0 wk
29 May
6 Jun
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
7 – 21 Apr
23 Jun
4-6 wk
19 May
21 Jul
0 wk
Lettuce
Lactuca sativa
21 – 28 Apr
10 Jul
3-4 wk
19 May
31 Jul
0 wk
12 May
21 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
7 – 21 Apr
23 Jun
4-6 wk
19 May
21 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
9 – 23 Apr
27 May
2-4 wk
7 May
10 Jun
2 wk before
7 May
31 May
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
12 May
4 Jun
1 wk before
12 May
25 May
1 wk before
Spinach
Spinacia oleracea
21 – 28 Apr
25 Jul
3-4 wk
19 May
15 Aug
0 wk
1 May
5 Aug
3 wk before
Sweet potato
Ipomoea batatas
15 – 29 Jun
4-6 wk
27 Jul
10 wk after
Garden tomato
Solanum lycopersicum
Fleece
30 Mar – 13 Apr
25 Apr
6-8 wk
25 May
6 Jun
1 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
4 – 18 May
2 Jun
2-4 wk
1 Jun
16 Jun
2 wk after
24 Jun
5 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
7 – 21 Apr
23 Jun
4-6 wk
19 May
21 Jul
0 wk
Garden pea
Pisum sativum
21 – 28 Apr
25 Jun
3-4 wk
19 May
16 Jul
0 wk
12 May
6 Jul
1 wk before

Herbs

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