Create your calendar
Method
Rel. frost
Last spring frost (0°C) 12 May Frost 9 of 10 years · 20 years of data
Frost-free season 114 days 12 May – 3 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)
24 Mar – 7 Apr
14 Jun
5-7 wk
12 May
19 Jul
0 wk
16 May
9 Jul
1 wk after
Broccoli
Brassica oleracea (Italica-gruppen)
31 Mar – 14 Apr
26 Jun
4-6 wk
12 May
24 Jul
0 wk
16 May
14 Jul
1 wk after
Chili pepper
Capsicum annuum
Season too short
4 Mar – 1 Apr
8-12 wk
27 May
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
24 Mar – 7 Apr
9 Jun
5-7 wk
12 May
14 Jul
0 wk
12 May
4 Jul
0 wk
Garden cucumber
Cucumis sativus
Season too short
29 Apr – 6 May
3-4 wk
27 May
2 wk after
Florence Fennel
Foeniculum vulgare
Fleece
4 – 11 May
20 May
4-5 wk
8 Jun
17 Jun
4 wk after
16 Jun
5 wk after
Butter bean
Phaseolus lunatus
Season too short
1 – 8 Jun
3-4 wk
29 Jun
7 wk after
Onion
Allium cepa (Cepa-gruppen)
17 Feb – 17 Mar
15 Mar
8-12 wk
12 May
0 wk
2 Jun
3 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
16 May
30 May
1 wk after
16 May
20 May
1 wk after
Maize
Zea mays
Season too short
15 – 22 Apr
3-4 wk
13 May
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
22 – 29 Apr
16 Jun
3-4 wk
20 May
7 Jul
1 wk after
2 Jun
27 Jun
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
12 May
30 Jun
0 wk
12 May
20 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
24 Mar – 7 Apr
9 Jun
5-7 wk
12 May
14 Jul
0 wk
12 May
4 Jul
0 wk
Potato
Solanum tuberosum
16 – 30 Apr
13 May
4-6 wk
28 May
10 Jun
2 wk after
28 May
31 May
2 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
24 Mar – 7 Apr
15 Jun
5-7 wk
12 May
20 Jul
0 wk
16 May
10 Jul
1 wk after
Pumpkin
Cucurbita pepo
Season too short
29 Apr – 6 May
3-4 wk
27 May
2 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
22 – 29 Apr
18 May
3-4 wk
20 May
8 Jun
1 wk after
2 Jun
3 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
31 Mar – 14 Apr
21 Jun
4-6 wk
12 May
19 Jul
0 wk
Lettuce
Lactuca sativa
14 – 21 Apr
4 Jul
3-4 wk
12 May
25 Jul
0 wk
16 May
15 Jul
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
31 Mar – 14 Apr
21 Jun
4-6 wk
12 May
19 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
14 – 28 Apr
19 May
2-4 wk
12 May
2 Jun
0 wk
12 May
23 May
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
16 May
30 May
1 wk after
16 May
20 May
1 wk after
Spinach
Spinacia oleracea
14 – 21 Apr
23 Jul
3-4 wk
12 May
13 Aug
0 wk
8 May
3 Aug
1 wk before
Sweet potato
Ipomoea batatas
13 – 27 Jun
4-6 wk
25 Jul
11 wk after
Garden tomato
Solanum lycopersicum
Season too short
18 Mar – 1 Apr
6-8 wk
13 May
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Season too short
15 – 29 Apr
2-4 wk
13 May
0 wk
2 Jun
3 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
31 Mar – 14 Apr
21 Jun
4-6 wk
12 May
19 Jul
0 wk
Garden pea
Pisum sativum
14 – 21 Apr
19 Jun
3-4 wk
12 May
10 Jul
0 wk
16 May
30 Jun
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
15 – 29 Apr
4-6 wk
27 May
2 wk after
Lemon balm
Melissa officinalis
3 – 17 Mar
15 May
8-10 wk
12 May
10 Jul
0 wk
16 Jun
30 Jun
5 wk after
Dill
Anethum graveolens
16 May
7 Jul
1 wk after
Wild chives
Allium schoenoprasum
17 – 31 Mar
2 Jun
6-8 wk
12 May
14 Jul
0 wk
16 May
4 Jul
1 wk after
Spearmint
Mentha spicata
17 Feb – 17 Mar
19 May
8-12 wk
12 May
14 Jul
0 wk
16 Jun
4 Jul
5 wk after
Coriander
Coriandrum sativum
12 May
27 Jul
0 wk
2 Jun
17 Jul
3 wk after
Garden sage
Salvia officinalis
11 – 25 Mar
4 May
8-10 wk
20 May
29 Jun
1 wk after
Common thyme
Thymus vulgaris
3 – 17 Mar
9 May
8-10 wk
12 May
4 Jul
0 wk
Oregano
Origanum vulgare
17 – 31 Mar
23 May
6-8 wk
12 May
4 Jul
0 wk
16 Jun
24 Jun
5 wk after
Parsley
Petroselinum crispum
17 – 31 Mar
23 May
6-8 wk
12 May
4 Jul
0 wk
16 May
24 Jun
1 wk after
Rosemary
Salvia rosmarinus
11 Feb – 11 Mar
14 Mar
10-14 wk
20 May
23 May
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
29 Apr – 6 May
3-4 wk
27 May
2 wk after
Cornflower
Centaurea cyanus
12 May
14 Jul
0 wk
16 May
4 Jul
1 wk after
Statice
Limonium sinuatum
Greenhouse
4 – 18 Mar
18 Mar
8-10 wk
13 May
13 May
0 wk
Sweet William
Dianthus barbatus
17 – 31 Mar
6-8 wk
12 May
0 wk
28 May
2 wk after
Snow-on-the-mountain
Euphorbia marginata
Greenhouse
18 Mar – 1 Apr
1 Apr
6-8 wk
13 May
13 May
0 wk
22 Jun
6 wk after
Pinnate dahlia
Dahlia × pinnata
Greenhouse
17 – 31 Mar
16 Apr
6-8 wk
12 May
28 May
0 wk
Pinnate dahlia (tubers)
Dahlia × pinnata
Greenhouse
27 Mar – 24 Apr
30 Apr
4-8 wk
22 May
28 May
1 wk after
22 May
1 wk after
Foxglove
Digitalis purpurea
3 – 17 Mar
8-10 wk
12 May
0 wk
2 Jun
3 wk after
Busy lizzie
Impatiens walleriana
Greenhouse
4 Mar – 1 Apr
28 Apr
8-12 wk
27 May
23 Jun
2 wk after
Creeping zinnia
Sanvitalia procumbens
Greenhouse
18 Mar – 1 Apr
11 Apr
6-8 wk
13 May
23 May
0 wk
Hyacinth bean
Dolichos lablab
Season too short
27 Apr – 11 May
4-6 wk
8 Jun
4 wk after
Chinese lantern
Physalis alkekengi
11 – 25 Mar
2 Apr
8-10 wk
20 May
28 May
1 wk after
Love in a mist
Nigella damascena
12 May
25 Jun
0 wk
16 May
15 Jun
1 wk after
Strawflower
Xerochrysum bracteatum
Season too short
18 Mar – 1 Apr
22 Mar
6-8 wk
13 May
0 wk
22 Jun
6 wk after
Purple-top vervain
Verbena bonariensis
25 Feb – 25 Mar
2 Apr
8-12 wk
20 May
28 May
1 wk after
Cardoon
Cynara cardunculus
Greenhouse
18 Feb – 18 Mar
20 Mar
8-12 wk
13 May
15 May
0 wk
Regal-foxtail
Ptilotus nobilis
Season too short
4 Mar – 1 Apr
8-12 wk
27 May
2 wk after
Globe amaranth
Gomphrena globosa
Season too short
1 – 15 Apr
6-8 wk
27 May
2 wk after
Corn poppy
Papaver rhoeas
12 May
10 Jul
0 wk
16 May
30 Jun
1 wk after
Snapdragon
Antirrhinum majus
17 Feb – 17 Mar
5 May
8-12 wk
12 May
30 Jun
0 wk
28 May
20 Jun
2 wk after
Flossflower
Ageratum houstonianum
Greenhouse
18 Mar – 1 Apr
28 Mar
8-10 wk
27 May
2 wk after
Sweet pea
Lathyrus odoratus
17 Mar – 7 Apr
30 May
5-8 wk
12 May
4 Jul
0 wk
Stock
Matthiola incana
17 – 31 Mar
29 May
6-8 wk
12 May
10 Jul
0 wk
2 Jun
30 Jun
3 wk after
Wormwood
Artemisia absinthium
17 – 31 Mar
3 May
6-8 wk
12 May
14 Jun
0 wk
2 Jun
4 Jun
3 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
15 – 29 Apr
4-6 wk
27 May
2 wk after
Garden pansy
Viola × wittrockiana
3 – 17 Mar
19 May
8-10 wk
12 May
14 Jul
0 wk
28 May
4 Jul
2 wk after
Petunia
Petunia
Greenhouse
18 Feb – 18 Mar
18 Mar
8-12 wk
13 May
13 May
0 wk
Sweet Scabious
Scabiosa atropurpurea
25 Mar – 8 Apr
16 Apr
6-8 wk
20 May
28 May
1 wk after
30 Jun
7 wk after
Common zinnia
Zinnia elegans
Season too short
1 – 15 Apr
10 Apr
4-6 wk
13 May
0 wk
Common morning glory
Ipomoea purpurea
Season too short
22 Apr – 6 May
3-5 wk
27 May
2 wk after
Garden cosmos
Cosmos bipinnatus
Greenhouse
1 – 15 Apr
30 Apr
4-6 wk
13 May
28 May
0 wk
2 Jun
3 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
16 Mar – 13 Apr
8-12 wk
8 Jun
4 wk after
Bee balm
Monarda didyma
17 Feb – 17 Mar
15 Apr
8-12 wk
12 May
10 Jun
0 wk
16 Jun
5 wk after
Yarrow
Achillea millefolium
17 – 31 Mar
3 Apr
6-8 wk
12 May
15 May
0 wk
2 Jun
3 wk after
Safflower
Carthamus tinctorius
12 May
14 Jun
0 wk
16 May
4 Jun
1 wk after
Iceland poppy
Papaver nudicaule
Season too short
17 – 31 Mar
23 May
6-8 wk
12 May
4 Jul
0 wk
24 Apr
24 Jun
3 wk before
Bishop's flower
Ammi majus
31 Mar – 14 Apr
2 Jun
4-6 wk
12 May
30 Jun
0 wk
2 Jun
20 Jun
3 wk after
Drumsticks
Pycnosorus globosus
Season too short
4 – 18 Mar
10-12 wk
27 May
2 wk after
Sunflower
Helianthus annuus
11 – 18 May
22 May
3-4 wk
8 Jun
12 Jun
4 wk after
16 Jun
5 wk after
China aster
Callistephus chinensis
13 – 27 Apr
11 May
6-8 wk
8 Jun
22 Jun
4 wk after
30 Jun
7 wk after
Annual phlox
Phlox drummondii
Greenhouse
17 – 31 Mar
11 Apr
6-8 wk
12 May
23 May
0 wk
2 Jun
3 wk after
Hollyhock
Alcea rosea
17 – 31 Mar
6-8 wk
12 May
0 wk
2 Jun
3 wk after
Alpine delphinium
Delphinium elatum
17 Feb – 17 Mar
15 Apr
8-12 wk
12 May
10 Jun
0 wk
16 Jun
5 wk after
African marigold
Tagetes erecta
Greenhouse
18 Mar – 1 Apr
11 Apr
6-8 wk
13 May
23 May
0 wk
Black-eyed Susan
Rudbeckia hirta
25 Mar – 8 Apr
1 May
6-8 wk
20 May
12 Jun
1 wk after
30 Jun
7 wk after
Wood sage
Salvia nemorosa
3 – 17 Mar
5 Apr
8-10 wk
12 May
31 May
0 wk
16 Jun
5 wk after
Black-eyed susan vine
Thunbergia alata
Season too short
18 Mar – 15 Apr
6-10 wk
27 May
2 wk after
California goldenpoppy
Eschscholzia californica
12 May
27 Jun
0 wk
16 May
17 Jun
1 wk after
Painted tongue
Salpiglossis sinuata
30 Mar – 13 Apr
11 Apr
8-10 wk
8 Jun
4 wk after
Water forget-me-not
Myosotis scorpioides
17 – 31 Mar
3 May
6-8 wk
12 May
14 Jun
0 wk
2 Jun
4 Jun
3 wk after