Create your calendar
Method
Rel. frost
Last spring frost (0°C) 7 May Frost 9 of 10 years · 20 years of data
Frost-free season 134 days 7 May – 18 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)
19 Mar – 2 Apr
15 Jun
5-7 wk
7 May
20 Jul
0 wk
11 May
10 Jul
1 wk after
Broccoli
Brassica oleracea (Italica-gruppen)
26 Mar – 9 Apr
27 Jun
4-6 wk
7 May
25 Jul
0 wk
11 May
15 Jul
1 wk after
Chili pepper
Capsicum annuum
Season too short
27 Feb – 27 Mar
8-12 wk
22 May
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
19 Mar – 2 Apr
10 Jun
5-7 wk
7 May
15 Jul
0 wk
7 May
5 Jul
0 wk
Garden cucumber
Cucumis sativus
Season too short
24 Apr – 1 May
3-4 wk
22 May
2 wk after
Florence Fennel
Foeniculum vulgare
15 – 22 May
21 May
4-5 wk
19 Jun
6 wk after
25 Jun
7 wk after
Butter bean
Phaseolus lunatus
Season too short
27 May – 3 Jun
3-4 wk
24 Jun
7 wk after
Onion
Allium cepa (Cepa-gruppen)
12 Feb – 12 Mar
21 Mar
8-12 wk
7 May
16 May
0 wk
28 May
3 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
11 May
5 Jun
1 wk after
11 May
26 May
1 wk after
Maize
Zea mays
Season too short
10 – 17 Apr
3-4 wk
8 May
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
17 – 24 Apr
25 Jun
3-4 wk
15 May
16 Jul
1 wk after
28 May
6 Jul
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
7 May
5 Jul
0 wk
7 May
25 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
19 Mar – 2 Apr
10 Jun
5-7 wk
7 May
15 Jul
0 wk
7 May
5 Jul
0 wk
Potato
Solanum tuberosum
11 – 25 Apr
19 May
4-6 wk
23 May
16 Jun
2 wk after
23 May
6 Jun
2 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
19 Mar – 2 Apr
20 Jun
5-7 wk
7 May
25 Jul
0 wk
11 May
15 Jul
1 wk after
Pumpkin
Cucurbita pepo
Season too short
24 Apr – 1 May
3-4 wk
22 May
2 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
17 – 24 Apr
3 Jun
3-4 wk
15 May
24 Jun
1 wk after
28 May
14 Jun
3 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
26 Mar – 9 Apr
22 Jun
4-6 wk
7 May
20 Jul
0 wk
Lettuce
Lactuca sativa
9 – 16 Apr
9 Jul
3-4 wk
7 May
30 Jul
0 wk
11 May
20 Jul
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
26 Mar – 9 Apr
22 Jun
4-6 wk
7 May
20 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
9 – 23 Apr
24 May
2-4 wk
7 May
7 Jun
0 wk
7 May
28 May
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
11 May
5 Jun
1 wk after
11 May
26 May
1 wk after
Spinach
Spinacia oleracea
9 – 16 Apr
24 Jul
3-4 wk
7 May
14 Aug
0 wk
3 May
4 Aug
1 wk before
Sweet potato
Ipomoea batatas
8 – 22 Jun
4-6 wk
20 Jul
11 wk after
Garden tomato
Solanum lycopersicum
Season too short
13 – 27 Mar
6-8 wk
8 May
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Greenhouse
10 – 24 Apr
18 Apr
2-4 wk
8 May
0 wk
28 May
3 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
26 Mar – 9 Apr
22 Jun
4-6 wk
7 May
20 Jul
0 wk
Garden pea
Pisum sativum
9 – 16 Apr
24 Jun
3-4 wk
7 May
15 Jul
0 wk
11 May
5 Jul
1 wk after

Herbs

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