Create your calendar
Method
Rel. frost
Last spring frost (0°C) 22 May Normal year · 20 years of data
Frost-free season 104 days 22 May – 3 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)
3 – 17 Apr
12 Jun
5-7 wk
22 May
17 Jul
0 wk
23 May
7 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
10 – 24 Apr
24 Jun
4-6 wk
22 May
22 Jul
0 wk
23 May
12 Jul
0 wk
Chili pepper
Capsicum annuum
Greenhouse
5 Mar – 2 Apr
31 Mar
8-12 wk
28 May
1 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
3 – 17 Apr
7 Jun
5-7 wk
22 May
12 Jul
0 wk
22 May
2 Jul
0 wk
Garden cucumber
Cucumis sativus
Fleece
7 – 14 May
25 May
3-4 wk
4 Jun
15 Jun
2 wk after
Florence Fennel
Foeniculum vulgare
19 – 26 May
4-5 wk
23 Jun
5 wk after
4 Jul
6 wk after
Butter bean
Phaseolus lunatus
Season too short
2 – 9 Jun
3-4 wk
30 Jun
6 wk after
Onion
Allium cepa (Cepa-gruppen)
27 Feb – 27 Mar
19 Mar
8-12 wk
22 May
0 wk
4 Jun
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
23 May
3 Jun
0 wk
23 May
24 May
0 wk
Maize
Zea mays
Fleece
30 Apr – 7 May
15 May
3-4 wk
28 May
5 Jun
1 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
26 Apr – 3 May
26 Jun
3-4 wk
24 May
17 Jul
0 wk
4 Jun
7 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
22 May
2 Jul
0 wk
22 May
22 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
3 – 17 Apr
7 Jun
5-7 wk
22 May
12 Jul
0 wk
22 May
2 Jul
0 wk
Potato
Solanum tuberosum
20 Apr – 4 May
17 May
4-6 wk
1 Jun
14 Jun
1 wk after
1 Jun
4 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
3 – 17 Apr
17 Jun
5-7 wk
22 May
22 Jul
0 wk
23 May
12 Jul
0 wk
Pumpkin
Cucurbita pepo
26 May – 2 Jun
30 May
3-4 wk
23 Jun
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
26 Apr – 3 May
31 May
3-4 wk
24 May
21 Jun
0 wk
4 Jun
11 Jun
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
10 – 24 Apr
19 Jun
4-6 wk
22 May
17 Jul
0 wk
Lettuce
Lactuca sativa
24 Apr – 1 May
6 Jul
3-4 wk
22 May
27 Jul
0 wk
23 May
17 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
10 – 24 Apr
19 Jun
4-6 wk
22 May
17 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
24 Apr – 8 May
23 May
2-4 wk
22 May
6 Jun
0 wk
22 May
27 May
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
23 May
3 Jun
0 wk
23 May
24 May
0 wk
Spinach
Spinacia oleracea
24 Apr – 1 May
21 Jul
3-4 wk
22 May
11 Aug
0 wk
19 May
1 Aug
0 wk
Sweet potato
Ipomoea batatas
16 – 30 Jun
4-6 wk
28 Jul
10 wk after
Garden tomato
Solanum lycopersicum
Fleece
2 – 16 Apr
24 Apr
6-8 wk
28 May
5 Jun
1 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
7 – 21 May
1 Jun
2-4 wk
4 Jun
15 Jun
2 wk after
4 Jul
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
10 – 24 Apr
19 Jun
4-6 wk
22 May
17 Jul
0 wk
Garden pea
Pisum sativum
24 Apr – 1 May
21 Jun
3-4 wk
22 May
12 Jul
0 wk
23 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
Fleece
23 Apr – 7 May
24 May
4-6 wk
4 Jun
21 Jun
2 wk after
Lemon balm
Melissa officinalis
13 – 27 Mar
17 May
8-10 wk
22 May
12 Jul
0 wk
16 Jun
2 Jul
4 wk after
Dill
Anethum graveolens
23 May
17 Jul
0 wk
Wild chives
Allium schoenoprasum
27 Mar – 10 Apr
31 May
6-8 wk
22 May
12 Jul
0 wk
23 May
2 Jul
0 wk
Spearmint
Mentha spicata
27 Feb – 27 Mar
17 May
8-12 wk
22 May
12 Jul
0 wk
16 Jun
2 Jul
4 wk after
Coriander
Coriandrum sativum
22 May
6 Aug
0 wk
4 Jun
27 Jul
2 wk after
Garden sage
Salvia officinalis
15 – 29 Mar
2 May
8-10 wk
24 May
27 Jun
0 wk
Common thyme
Thymus vulgaris
13 – 27 Mar
7 May
8-10 wk
22 May
2 Jul
0 wk
Oregano
Origanum vulgare
27 Mar – 10 Apr
21 May
6-8 wk
22 May
2 Jul
0 wk
16 Jun
22 Jun
4 wk after
Parsley
Petroselinum crispum
27 Mar – 10 Apr
21 May
6-8 wk
22 May
2 Jul
0 wk
23 May
22 Jun
0 wk
Rosemary
Salvia rosmarinus
15 Feb – 15 Mar
21 Mar
10-14 wk
24 May
30 May
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
Fleece
7 – 14 May
31 May
3-4 wk
4 Jun
21 Jun
2 wk after
Cornflower
Centaurea cyanus
22 May
12 Jul
0 wk
23 May
2 Jul
0 wk
Statice
Limonium sinuatum
26 Mar – 9 Apr
20 Apr
8-10 wk
4 Jun
15 Jun
2 wk after
Sweet William
Dianthus barbatus
27 Mar – 10 Apr
6-8 wk
22 May
0 wk
1 Jun
1 wk after
Snow-on-the-mountain
Euphorbia marginata
9 – 23 Apr
4 May
6-8 wk
4 Jun
15 Jun
2 wk after
28 Jul
10 wk after
Pinnate dahlia
Dahlia × pinnata
7 – 21 Apr
8 May
6-8 wk
2 Jun
19 Jun
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
21 Apr – 19 May
22 May
4-8 wk
16 Jun
19 Jun
4 wk after
16 Jun
4 wk after
Foxglove
Digitalis purpurea
13 – 27 Mar
8-10 wk
22 May
0 wk
4 Jun
2 wk after
Busy lizzie
Impatiens walleriana
31 Mar – 28 Apr
11 Jun
8-12 wk
23 Jun
6 Aug
5 wk after
Creeping zinnia
Sanvitalia procumbens
9 – 23 Apr
14 May
6-8 wk
4 Jun
25 Jun
2 wk after
Hyacinth bean
Dolichos lablab
Season too short
23 Apr – 7 May
24 Apr
4-6 wk
4 Jun
2 wk after
Chinese lantern
Physalis alkekengi
15 – 29 Mar
12 Apr
8-10 wk
24 May
7 Jun
0 wk
Love in a mist
Nigella damascena
22 May
27 Jun
0 wk
23 May
17 Jun
0 wk
Strawflower
Xerochrysum bracteatum
9 – 23 Apr
24 Apr
6-8 wk
4 Jun
5 Jun
2 wk after
28 Jul
10 wk after
Purple-top vervain
Verbena bonariensis
1 – 29 Mar
12 Apr
8-12 wk
24 May
7 Jun
0 wk
Cardoon
Cynara cardunculus
Fleece
5 Mar – 2 Apr
18 Mar
8-12 wk
28 May
1 wk after
Regal-foxtail
Ptilotus nobilis
Fleece
12 Mar – 9 Apr
16 Apr
8-12 wk
4 Jun
11 Jun
2 wk after
Globe amaranth
Gomphrena globosa
Fleece
9 – 23 Apr
30 Apr
6-8 wk
4 Jun
11 Jun
2 wk after
Corn poppy
Papaver rhoeas
22 May
12 Jul
0 wk
23 May
2 Jul
0 wk
Snapdragon
Antirrhinum majus
27 Feb – 27 Mar
7 May
8-12 wk
22 May
2 Jul
0 wk
1 Jun
22 Jun
1 wk after
Flossflower
Ageratum houstonianum
14 – 28 Apr
30 Apr
8-10 wk
23 Jun
25 Jun
5 wk after
Sweet pea
Lathyrus odoratus
27 Mar – 17 Apr
28 May
5-8 wk
22 May
2 Jul
0 wk
Stock
Matthiola incana
27 Mar – 10 Apr
31 May
6-8 wk
22 May
12 Jul
0 wk
4 Jun
2 Jul
2 wk after
Wormwood
Artemisia absinthium
27 Mar – 10 Apr
1 May
6-8 wk
22 May
12 Jun
0 wk
4 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Fleece
23 Apr – 7 May
9 May
4-6 wk
4 Jun
6 Jun
2 wk after
Garden pansy
Viola × wittrockiana
13 – 27 Mar
17 May
8-10 wk
22 May
12 Jul
0 wk
1 Jun
2 Jul
1 wk after
Petunia
Petunia
12 Mar – 9 Apr
20 Apr
8-12 wk
4 Jun
15 Jun
2 wk after
Sweet Scabious
Scabiosa atropurpurea
29 Mar – 12 Apr
26 Apr
6-8 wk
24 May
7 Jun
0 wk
4 Jul
6 wk after
Common zinnia
Zinnia elegans
23 Apr – 7 May
24 May
4-6 wk
4 Jun
21 Jun
2 wk after
Common morning glory
Ipomoea purpurea
Fleece
30 Apr – 14 May
31 May
3-5 wk
4 Jun
21 Jun
2 wk after
Garden cosmos
Cosmos bipinnatus
23 Apr – 7 May
22 May
4-6 wk
4 Jun
19 Jun
2 wk after
4 Jul
6 wk after
Scarlet milkweed
Asclepias curassavica
Fleece
31 Mar – 28 Apr
16 May
8-12 wk
23 Jun
11 Jul
5 wk after
Bee balm
Monarda didyma
27 Feb – 27 Mar
17 Apr
8-12 wk
22 May
12 Jun
0 wk
16 Jun
4 wk after
Yarrow
Achillea millefolium
27 Mar – 10 Apr
1 Apr
6-8 wk
22 May
0 wk
4 Jun
2 wk after
Safflower
Carthamus tinctorius
22 May
12 Jun
0 wk
23 May
2 Jun
0 wk
Iceland poppy
Papaver nudicaule
Season too short
27 Mar – 10 Apr
21 May
6-8 wk
22 May
2 Jul
0 wk
6 May
22 Jun
2 wk before
Bishop's flower
Ammi majus
10 – 24 Apr
4 Jun
4-6 wk
22 May
2 Jul
0 wk
4 Jun
22 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Fleece
12 – 26 Mar
21 Mar
10-12 wk
4 Jun
2 wk after
Sunflower
Helianthus annuus
7 – 14 May
29 May
3-4 wk
4 Jun
19 Jun
2 wk after
16 Jun
4 wk after
China aster
Callistephus chinensis
9 – 23 Apr
18 May
6-8 wk
4 Jun
29 Jun
2 wk after
4 Jul
6 wk after
Annual phlox
Phlox drummondii
2 – 16 Apr
14 May
6-8 wk
28 May
25 Jun
1 wk after
4 Jul
6 wk after
Hollyhock
Alcea rosea
27 Mar – 10 Apr
6-8 wk
22 May
0 wk
4 Jun
2 wk after
Alpine delphinium
Delphinium elatum
27 Feb – 27 Mar
17 Apr
8-12 wk
22 May
12 Jun
0 wk
16 Jun
4 wk after
African marigold
Tagetes erecta
9 – 23 Apr
14 May
6-8 wk
4 Jun
25 Jun
2 wk after
Black-eyed Susan
Rudbeckia hirta
29 Mar – 12 Apr
8 May
6-8 wk
24 May
19 Jun
0 wk
4 Jul
6 wk after
Wood sage
Salvia nemorosa
13 – 27 Mar
7 Apr
8-10 wk
22 May
2 Jun
0 wk
16 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
26 Mar – 23 Apr
10 May
6-10 wk
4 Jun
21 Jun
2 wk after
California goldenpoppy
Eschscholzia californica
22 May
10 Jul
0 wk
23 May
30 Jun
0 wk
Painted tongue
Salpiglossis sinuata
26 Mar – 9 Apr
16 Apr
8-10 wk
4 Jun
11 Jun
2 wk after
Water forget-me-not
Myosotis scorpioides
27 Mar – 10 Apr
1 May
6-8 wk
22 May
12 Jun
0 wk
4 Jun
2 wk after