Create your calendar
Method
Rel. frost
Last spring frost (0°C) 24 May Normal year · 20 years of data
Frost-free season 110 days 24 May – 11 Sep
Probability that frost is over

50% = 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)
5 – 19 Apr
9 Jun
5-7 wk
24 May
14 Jul
0 wk
25 May
4 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
12 – 26 Apr
21 Jun
4-6 wk
24 May
19 Jul
0 wk
25 May
9 Jul
0 wk
Chili pepper
Capsicum annuum
Season too short
7 Mar – 4 Apr
8-12 wk
30 May
1 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
5 – 19 Apr
4 Jun
5-7 wk
24 May
9 Jul
0 wk
24 May
29 Jun
0 wk
Garden cucumber
Cucumis sativus
Greenhouse
2 – 9 May
27 May
3-4 wk
30 May
17 Jun
1 wk after
Florence Fennel
Foeniculum vulgare
Fleece
2 – 9 May
31 May
4-5 wk
6 Jun
28 Jun
2 wk after
18 Jun
18 Jun
4 wk after
Butter bean
Phaseolus lunatus
Season too short
4 – 11 Jun
3-4 wk
2 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
Greenhouse
1 – 29 Mar
24 Mar
8-12 wk
24 May
0 wk
24 May
0 wk
Onion (sets)
Allium cepa (Cepa-gruppen)
Fleece
21 May
29 May
0 wk
21 May
0 wk
Maize
Zea mays
Greenhouse
26 Apr – 3 May
17 May
3-4 wk
24 May
7 Jun
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
28 Apr – 5 May
27 Jun
3-4 wk
26 May
18 Jul
0 wk
6 Jun
8 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
24 May
29 Jun
0 wk
24 May
19 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
5 – 19 Apr
4 Jun
5-7 wk
24 May
9 Jul
0 wk
24 May
29 Jun
0 wk
Potato
Solanum tuberosum
Fleece
13 – 27 Apr
12 May
4-6 wk
25 May
9 Jun
0 wk
25 May
30 May
0 wk
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
5 – 19 Apr
14 Jun
5-7 wk
24 May
19 Jul
0 wk
25 May
9 Jul
0 wk
Pumpkin
Cucurbita pepo
Greenhouse
2 – 9 May
18 Jun
3-4 wk
30 May
9 Jul
1 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
Fleece
26 Apr – 3 May
11 May
3-4 wk
24 May
1 Jun
0 wk
30 May
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
12 – 26 Apr
16 Jun
4-6 wk
24 May
14 Jul
0 wk
Lettuce
Lactuca sativa
26 Apr – 3 May
3 Jul
3-4 wk
24 May
24 Jul
0 wk
25 May
14 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
12 – 26 Apr
16 Jun
4-6 wk
24 May
14 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
26 Apr – 10 May
10 May
2-4 wk
24 May
24 May
0 wk
24 May
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
Fleece
21 May
29 May
0 wk
21 May
0 wk
Spinach
Spinacia oleracea
26 Apr – 3 May
18 Jul
3-4 wk
24 May
8 Aug
0 wk
21 May
29 Jul
0 wk
Sweet potato
Ipomoea batatas
18 Jun – 2 Jul
4-6 wk
30 Jul
10 wk after
Garden tomato
Solanum lycopersicum
Greenhouse
29 Mar – 12 Apr
26 Apr
6-8 wk
24 May
7 Jun
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Fleece
2 – 16 May
3 Jun
2-4 wk
30 May
17 Jun
1 wk after
18 Jun
4 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
12 – 26 Apr
16 Jun
4-6 wk
24 May
14 Jul
0 wk
Garden pea
Pisum sativum
26 Apr – 3 May
18 Jun
3-4 wk
24 May
9 Jul
0 wk
25 May
29 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
Greenhouse
18 Apr – 2 May
27 May
4-6 wk
30 May
24 Jun
1 wk after
Lemon balm
Melissa officinalis
15 – 29 Mar
14 May
8-10 wk
24 May
9 Jul
0 wk
18 Jun
29 Jun
4 wk after
Dill
Anethum graveolens
25 May
18 Jul
0 wk
Wild chives
Allium schoenoprasum
29 Mar – 12 Apr
28 May
6-8 wk
24 May
9 Jul
0 wk
25 May
29 Jun
0 wk
Spearmint
Mentha spicata
1 – 29 Mar
14 May
8-12 wk
24 May
9 Jul
0 wk
18 Jun
29 Jun
4 wk after
Coriander
Coriandrum sativum
24 May
7 Aug
0 wk
6 Jun
28 Jul
2 wk after
Garden sage
Salvia officinalis
17 – 31 Mar
29 Apr
8-10 wk
26 May
24 Jun
0 wk
Common thyme
Thymus vulgaris
15 – 29 Mar
4 May
8-10 wk
24 May
29 Jun
0 wk
Oregano
Origanum vulgare
29 Mar – 12 Apr
18 May
6-8 wk
24 May
29 Jun
0 wk
18 Jun
19 Jun
4 wk after
Parsley
Petroselinum crispum
29 Mar – 12 Apr
18 May
6-8 wk
24 May
29 Jun
0 wk
25 May
19 Jun
0 wk
Rosemary
Salvia rosmarinus
Fleece
15 Feb – 15 Mar
30 Mar
10-14 wk
24 May
8 Jun
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
2 – 9 May
3 Jun
3-4 wk
30 May
24 Jun
1 wk after
Cornflower
Centaurea cyanus
24 May
9 Jul
0 wk
25 May
29 Jun
0 wk
Statice
Limonium sinuatum
Fleece
21 Mar – 4 Apr
26 Apr
8-10 wk
30 May
21 Jun
1 wk after
Sweet William
Dianthus barbatus
29 Mar – 12 Apr
6-8 wk
24 May
0 wk
3 Jun
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Fleece
4 – 18 Apr
10 May
6-8 wk
30 May
21 Jun
1 wk after
13 Jul
7 wk after
Pinnate dahlia
Dahlia × pinnata
9 – 23 Apr
3 May
6-8 wk
4 Jun
14 Jun
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
Greenhouse
4 Apr – 2 May
1 Jun
4-8 wk
30 May
29 Jun
1 wk after
30 May
19 Jun
1 wk after
Foxglove
Digitalis purpurea
15 – 29 Mar
8-10 wk
24 May
0 wk
6 Jun
2 wk after
Busy lizzie
Impatiens walleriana
2 – 30 Apr
28 May
8-12 wk
25 Jun
23 Jul
5 wk after
Creeping zinnia
Sanvitalia procumbens
Fleece
4 – 18 Apr
20 May
6-8 wk
30 May
1 Jul
1 wk after
Hyacinth bean
Dolichos lablab
Season too short
25 Apr – 9 May
4-6 wk
6 Jun
2 wk after
Chinese lantern
Physalis alkekengi
17 – 31 Mar
13 Apr
8-10 wk
26 May
8 Jun
0 wk
Love in a mist
Nigella damascena
24 May
24 Jun
0 wk
25 May
14 Jun
0 wk
Strawflower
Xerochrysum bracteatum
Fleece
4 – 18 Apr
30 Apr
6-8 wk
30 May
11 Jun
1 wk after
13 Jul
7 wk after
Purple-top vervain
Verbena bonariensis
3 – 31 Mar
13 Apr
8-12 wk
26 May
8 Jun
0 wk
Cardoon
Cynara cardunculus
Greenhouse
1 – 29 Mar
15 Mar
8-12 wk
24 May
0 wk
Regal-foxtail
Ptilotus nobilis
Greenhouse
7 Mar – 4 Apr
19 Apr
8-12 wk
30 May
14 Jun
1 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
4 – 18 Apr
3 May
6-8 wk
30 May
14 Jun
1 wk after
Corn poppy
Papaver rhoeas
24 May
9 Jul
0 wk
25 May
29 Jun
0 wk
Snapdragon
Antirrhinum majus
1 – 29 Mar
4 May
8-12 wk
24 May
29 Jun
0 wk
3 Jun
19 Jun
1 wk after
Flossflower
Ageratum houstonianum
Fleece
28 Mar – 11 Apr
6 May
8-10 wk
6 Jun
1 Jul
2 wk after
Sweet pea
Lathyrus odoratus
29 Mar – 19 Apr
25 May
5-8 wk
24 May
29 Jun
0 wk
Stock
Matthiola incana
29 Mar – 12 Apr
28 May
6-8 wk
24 May
9 Jul
0 wk
6 Jun
29 Jun
2 wk after
Wormwood
Artemisia absinthium
29 Mar – 12 Apr
28 Apr
6-8 wk
24 May
9 Jun
0 wk
6 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
18 Apr – 2 May
12 May
4-6 wk
30 May
9 Jun
1 wk after
Garden pansy
Viola × wittrockiana
15 – 29 Mar
14 May
8-10 wk
24 May
9 Jul
0 wk
3 Jun
29 Jun
1 wk after
Petunia
Petunia
Fleece
7 Mar – 4 Apr
26 Apr
8-12 wk
30 May
21 Jun
1 wk after
Sweet Scabious
Scabiosa atropurpurea
31 Mar – 14 Apr
27 Apr
6-8 wk
26 May
8 Jun
0 wk
6 Jul
6 wk after
Common zinnia
Zinnia elegans
Fleece
18 Apr – 2 May
27 May
4-6 wk
30 May
24 Jun
1 wk after
Common morning glory
Ipomoea purpurea
Greenhouse
25 Apr – 9 May
3 Jun
3-5 wk
30 May
24 Jun
1 wk after
Garden cosmos
Cosmos bipinnatus
Fleece
18 Apr – 2 May
27 May
4-6 wk
30 May
24 Jun
1 wk after
18 Jun
4 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
14 Mar – 11 Apr
19 May
8-12 wk
6 Jun
14 Jul
2 wk after
Bee balm
Monarda didyma
1 – 29 Mar
14 Apr
8-12 wk
24 May
9 Jun
0 wk
18 Jun
4 wk after
Yarrow
Achillea millefolium
29 Mar – 12 Apr
29 Mar
6-8 wk
24 May
0 wk
6 Jun
2 wk after
Safflower
Carthamus tinctorius
24 May
9 Jun
0 wk
25 May
30 May
0 wk
Iceland poppy
Papaver nudicaule
Season too short
29 Mar – 12 Apr
18 May
6-8 wk
24 May
29 Jun
0 wk
8 May
19 Jun
2 wk before
Bishop's flower
Ammi majus
12 – 26 Apr
1 Jun
4-6 wk
24 May
29 Jun
0 wk
6 Jun
19 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
7 – 21 Mar
26 Mar
10-12 wk
30 May
4 Jun
1 wk after
Sunflower
Helianthus annuus
Fleece
2 – 9 May
7 Jun
3-4 wk
30 May
28 Jun
1 wk after
6 Jun
18 Jun
2 wk after
China aster
Callistephus chinensis
11 – 25 Apr
21 May
6-8 wk
6 Jun
2 Jul
2 wk after
6 Jul
6 wk after
Annual phlox
Phlox drummondii
4 – 18 Apr
7 May
6-8 wk
30 May
18 Jun
1 wk after
6 Jul
6 wk after
Hollyhock
Alcea rosea
29 Mar – 12 Apr
6-8 wk
24 May
0 wk
6 Jun
2 wk after
Alpine delphinium
Delphinium elatum
1 – 29 Mar
14 Apr
8-12 wk
24 May
9 Jun
0 wk
18 Jun
4 wk after
African marigold
Tagetes erecta
Fleece
4 – 18 Apr
20 May
6-8 wk
30 May
1 Jul
1 wk after
Black-eyed Susan
Rudbeckia hirta
31 Mar – 14 Apr
11 May
6-8 wk
26 May
22 Jun
0 wk
6 Jul
6 wk after
Wood sage
Salvia nemorosa
15 – 29 Mar
4 Apr
8-10 wk
24 May
30 May
0 wk
18 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
Greenhouse
21 Mar – 18 Apr
13 May
6-10 wk
30 May
24 Jun
1 wk after
California goldenpoppy
Eschscholzia californica
24 May
8 Jul
0 wk
25 May
28 Jun
0 wk
Painted tongue
Salpiglossis sinuata
Fleece
21 Mar – 4 Apr
3 May
8-10 wk
30 May
28 Jun
1 wk after
Water forget-me-not
Myosotis scorpioides
29 Mar – 12 Apr
28 Apr
6-8 wk
24 May
9 Jun
0 wk
6 Jun
2 wk after