Create your calendar
Method
Rel. frost
Last spring frost (0°C) 27 May Normal year · 20 years of data
Frost-free season 107 days 27 May – 11 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)
8 – 22 Apr
10 Jun
5-7 wk
27 May
15 Jul
0 wk
28 May
5 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
15 – 29 Apr
22 Jun
4-6 wk
27 May
20 Jul
0 wk
28 May
10 Jul
0 wk
Chili pepper
Capsicum annuum
Season too short
10 Mar – 7 Apr
8-12 wk
2 Jun
1 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
8 – 22 Apr
5 Jun
5-7 wk
27 May
10 Jul
0 wk
27 May
30 Jun
0 wk
Garden cucumber
Cucumis sativus
Greenhouse
5 – 12 May
27 May
3-4 wk
2 Jun
17 Jun
1 wk after
Florence Fennel
Foeniculum vulgare
Fleece
5 – 12 May
28 May
4-5 wk
9 Jun
25 Jun
2 wk after
21 Jun
4 wk after
Butter bean
Phaseolus lunatus
Season too short
7 – 14 Jun
3-4 wk
5 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
Fleece
4 Mar – 1 Apr
18 Mar
8-12 wk
27 May
0 wk
2 Jun
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
28 May
0 wk
28 May
0 wk
Maize
Zea mays
Greenhouse
29 Apr – 6 May
17 May
3-4 wk
27 May
7 Jun
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
1 – 8 May
24 Jun
3-4 wk
29 May
15 Jul
0 wk
9 Jun
5 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
27 May
30 Jun
0 wk
27 May
20 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
8 – 22 Apr
5 Jun
5-7 wk
27 May
10 Jul
0 wk
27 May
30 Jun
0 wk
Potato
Solanum tuberosum
25 Apr – 9 May
12 May
4-6 wk
6 Jun
9 Jun
1 wk after
6 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
8 – 22 Apr
15 Jun
5-7 wk
27 May
20 Jul
0 wk
28 May
10 Jul
0 wk
Pumpkin
Cucurbita pepo
Fleece
12 – 19 May
1 Jun
3-4 wk
9 Jun
22 Jun
2 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
1 – 8 May
17 May
3-4 wk
29 May
7 Jun
0 wk
9 Jun
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
15 – 29 Apr
17 Jun
4-6 wk
27 May
15 Jul
0 wk
Lettuce
Lactuca sativa
29 Apr – 6 May
4 Jul
3-4 wk
27 May
25 Jul
0 wk
28 May
15 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
15 – 29 Apr
17 Jun
4-6 wk
27 May
15 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
29 Apr – 13 May
16 May
2-4 wk
27 May
30 May
0 wk
27 May
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
28 May
0 wk
28 May
0 wk
Spinach
Spinacia oleracea
29 Apr – 6 May
19 Jul
3-4 wk
27 May
9 Aug
0 wk
24 May
30 Jul
0 wk
Sweet potato
Ipomoea batatas
21 Jun – 5 Jul
4-6 wk
2 Aug
10 wk after
Garden tomato
Solanum lycopersicum
Greenhouse
1 – 15 Apr
26 Apr
6-8 wk
27 May
7 Jun
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Fleece
5 – 19 May
3 Jun
2-4 wk
2 Jun
17 Jun
1 wk after
21 Jun
4 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
15 – 29 Apr
17 Jun
4-6 wk
27 May
15 Jul
0 wk
Garden pea
Pisum sativum
29 Apr – 6 May
19 Jun
3-4 wk
27 May
10 Jul
0 wk
28 May
30 Jun
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
28 Apr – 12 May
10 May
4-6 wk
9 Jun
2 wk after
Lemon balm
Melissa officinalis
18 Mar – 1 Apr
15 May
8-10 wk
27 May
10 Jul
0 wk
21 Jun
30 Jun
4 wk after
Dill
Anethum graveolens
28 May
15 Jul
0 wk
Wild chives
Allium schoenoprasum
1 – 15 Apr
29 May
6-8 wk
27 May
10 Jul
0 wk
28 May
30 Jun
0 wk
Spearmint
Mentha spicata
4 Mar – 1 Apr
15 May
8-12 wk
27 May
10 Jul
0 wk
21 Jun
30 Jun
4 wk after
Coriander
Coriandrum sativum
27 May
4 Aug
0 wk
9 Jun
25 Jul
2 wk after
Garden sage
Salvia officinalis
20 Mar – 3 Apr
30 Apr
8-10 wk
29 May
25 Jun
0 wk
Common thyme
Thymus vulgaris
18 Mar – 1 Apr
5 May
8-10 wk
27 May
30 Jun
0 wk
Oregano
Origanum vulgare
1 – 15 Apr
19 May
6-8 wk
27 May
30 Jun
0 wk
21 Jun
4 wk after
Parsley
Petroselinum crispum
1 – 15 Apr
19 May
6-8 wk
27 May
30 Jun
0 wk
28 May
20 Jun
0 wk
Rosemary
Salvia rosmarinus
20 Feb – 20 Mar
21 Mar
10-14 wk
29 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
12 – 19 May
17 May
3-4 wk
9 Jun
2 wk after
Cornflower
Centaurea cyanus
27 May
10 Jul
0 wk
28 May
30 Jun
0 wk
Statice
Limonium sinuatum
31 Mar – 14 Apr
13 Apr
8-10 wk
9 Jun
2 wk after
Sweet William
Dianthus barbatus
1 – 15 Apr
6-8 wk
27 May
0 wk
6 Jun
1 wk after
Snow-on-the-mountain
Euphorbia marginata
14 – 28 Apr
27 Apr
6-8 wk
9 Jun
2 wk after
2 Aug
10 wk after
Pinnate dahlia
Dahlia × pinnata
12 – 26 Apr
3 May
6-8 wk
7 Jun
14 Jun
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
Fleece
14 Apr – 12 May
27 May
4-8 wk
9 Jun
24 Jun
2 wk after
9 Jun
14 Jun
2 wk after
Foxglove
Digitalis purpurea
18 Mar – 1 Apr
8-10 wk
27 May
0 wk
9 Jun
2 wk after
Busy lizzie
Impatiens walleriana
5 Apr – 3 May
28 May
8-12 wk
28 Jun
23 Jul
5 wk after
Creeping zinnia
Sanvitalia procumbens
14 – 28 Apr
7 May
6-8 wk
9 Jun
18 Jun
2 wk after
Hyacinth bean
Dolichos lablab
Season too short
28 Apr – 12 May
4-6 wk
9 Jun
2 wk after
Chinese lantern
Physalis alkekengi
20 Mar – 3 Apr
10 Apr
8-10 wk
29 May
5 Jun
0 wk
Love in a mist
Nigella damascena
27 May
25 Jun
0 wk
28 May
15 Jun
0 wk
Strawflower
Xerochrysum bracteatum
14 – 28 Apr
17 Apr
6-8 wk
9 Jun
2 wk after
2 Aug
10 wk after
Purple-top vervain
Verbena bonariensis
6 Mar – 3 Apr
10 Apr
8-12 wk
29 May
5 Jun
0 wk
Cardoon
Cynara cardunculus
Greenhouse
4 Mar – 1 Apr
16 Mar
8-12 wk
27 May
0 wk
Regal-foxtail
Ptilotus nobilis
Fleece
17 Mar – 14 Apr
2 Apr
8-12 wk
9 Jun
2 wk after
Globe amaranth
Gomphrena globosa
Fleece
14 – 28 Apr
16 Apr
6-8 wk
9 Jun
2 wk after
Corn poppy
Papaver rhoeas
27 May
10 Jul
0 wk
28 May
30 Jun
0 wk
Snapdragon
Antirrhinum majus
4 Mar – 1 Apr
5 May
8-12 wk
27 May
30 Jun
0 wk
6 Jun
20 Jun
1 wk after
Flossflower
Ageratum houstonianum
Fleece
31 Mar – 14 Apr
3 May
8-10 wk
9 Jun
28 Jun
2 wk after
Sweet pea
Lathyrus odoratus
1 – 22 Apr
26 May
5-8 wk
27 May
30 Jun
0 wk
Stock
Matthiola incana
1 – 15 Apr
29 May
6-8 wk
27 May
10 Jul
0 wk
9 Jun
30 Jun
2 wk after
Wormwood
Artemisia absinthium
1 – 15 Apr
29 Apr
6-8 wk
27 May
10 Jun
0 wk
9 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
21 Apr – 5 May
12 May
4-6 wk
2 Jun
9 Jun
1 wk after
Garden pansy
Viola × wittrockiana
18 Mar – 1 Apr
15 May
8-10 wk
27 May
10 Jul
0 wk
6 Jun
30 Jun
1 wk after
Petunia
Petunia
17 Mar – 14 Apr
13 Apr
8-12 wk
9 Jun
2 wk after
Sweet Scabious
Scabiosa atropurpurea
3 – 17 Apr
24 Apr
6-8 wk
29 May
5 Jun
0 wk
9 Jul
6 wk after
Common zinnia
Zinnia elegans
28 Apr – 12 May
10 May
4-6 wk
9 Jun
2 wk after
Common morning glory
Ipomoea purpurea
Fleece
5 – 19 May
17 May
3-5 wk
9 Jun
2 wk after
Garden cosmos
Cosmos bipinnatus
28 Apr – 12 May
17 May
4-6 wk
9 Jun
14 Jun
2 wk after
9 Jul
6 wk after
Scarlet milkweed
Asclepias curassavica
Fleece
5 Apr – 3 May
2 May
8-12 wk
28 Jun
5 wk after
Bee balm
Monarda didyma
4 Mar – 1 Apr
15 Apr
8-12 wk
27 May
10 Jun
0 wk
21 Jun
4 wk after
Yarrow
Achillea millefolium
1 – 15 Apr
6-8 wk
27 May
0 wk
9 Jun
2 wk after
Safflower
Carthamus tinctorius
27 May
10 Jun
0 wk
28 May
31 May
0 wk
Iceland poppy
Papaver nudicaule
Season too short
1 – 15 Apr
19 May
6-8 wk
27 May
30 Jun
0 wk
11 May
20 Jun
2 wk before
Bishop's flower
Ammi majus
15 – 29 Apr
2 Jun
4-6 wk
27 May
30 Jun
0 wk
9 Jun
20 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Fleece
17 – 31 Mar
10-12 wk
9 Jun
2 wk after
Sunflower
Helianthus annuus
12 – 19 May
29 May
3-4 wk
9 Jun
19 Jun
2 wk after
21 Jun
4 wk after
China aster
Callistephus chinensis
14 – 28 Apr
18 May
6-8 wk
9 Jun
29 Jun
2 wk after
9 Jul
6 wk after
Annual phlox
Phlox drummondii
7 – 21 Apr
7 May
6-8 wk
2 Jun
18 Jun
1 wk after
9 Jul
6 wk after
Hollyhock
Alcea rosea
1 – 15 Apr
6-8 wk
27 May
0 wk
9 Jun
2 wk after
Alpine delphinium
Delphinium elatum
4 Mar – 1 Apr
15 Apr
8-12 wk
27 May
10 Jun
0 wk
21 Jun
4 wk after
African marigold
Tagetes erecta
14 – 28 Apr
7 May
6-8 wk
9 Jun
18 Jun
2 wk after
Black-eyed Susan
Rudbeckia hirta
3 – 17 Apr
8 May
6-8 wk
29 May
19 Jun
0 wk
9 Jul
6 wk after
Wood sage
Salvia nemorosa
18 Mar – 1 Apr
5 Apr
8-10 wk
27 May
31 May
0 wk
21 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
31 Mar – 28 Apr
26 Apr
6-10 wk
9 Jun
2 wk after
California goldenpoppy
Eschscholzia californica
27 May
10 Jul
0 wk
28 May
30 Jun
0 wk
Painted tongue
Salpiglossis sinuata
31 Mar – 14 Apr
18 Apr
8-10 wk
9 Jun
13 Jun
2 wk after
Water forget-me-not
Myosotis scorpioides
1 – 15 Apr
29 Apr
6-8 wk
27 May
10 Jun
0 wk
9 Jun
2 wk after