Create your calendar
Method
Rel. frost
Last spring frost (0°C) 22 May Frost 3 of 4 years · 20 years of data
Frost-free season 96 days 22 May – 26 Aug
Probability that frost is over

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