Create your calendar
Method
Rel. frost
Last spring frost (0°C) 2 May Frost 9 of 10 years · 20 years of data
Frost-free season 129 days 2 May – 8 Sep
Probability that frost is over

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