Create your calendar
Method
Rel. frost
Last spring frost (0°C) 20 May Normal year · 20 years of data
Frost-free season 126 days 20 May – 23 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
Date Growing timeGrow. time Date Rel. frost Date Rel. frost
Cauliflower
Brassica oleracea (Botrytis-gruppen)
Season too short
7 – 21 Apr
5-7 wk
26 May
1 wk after
21 Apr
4 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
25 Apr – 9 May
4-6 wk
6 Jun
2 wk after
16 May
1 wk before
Chili pepper
Capsicum annuum
Season too short
1 – 29 Apr
8-12 wk
24 Jun
5 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
8 – 22 Mar
5-7 wk
26 Apr
4 wk before
12 May
2 wk before
Cucumber
Cucumis sativus
Season too short
27 May – 3 Jun
3-4 wk
24 Jun
5 wk after
Florence Fennel
Foeniculum vulgare
Season too short
20 – 27 May
4-5 wk
24 Jun
5 wk after
30 May
1 wk after
Butter bean
Phaseolus lunatus
Season too short
28 May – 4 Jun
3-4 wk
25 Jun
5 wk after
Onion
Allium cepa (Cepa-gruppen)
25 Feb – 25 Mar
8-12 wk
20 May
Vid frost
2 Jun
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
2 Jun
1 wk after
Sweetcorn
Zea mays
Season too short
20 – 27 May
3-4 wk
17 Jun
4 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
Fleece
6 – 13 May
3-4 wk
3 Jun
2 wk after
19 May
Carrot
Daucus carota subsp. sativus var. sativus
12 May
2 wk before
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
8 – 22 Mar
5-7 wk
26 Apr
4 wk before
12 May
2 wk before
Potato
Solanum tuberosum
26 May – 9 Jun
4-6 wk
7 Jul
7 wk after
28 May
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
8 – 22 Mar
5-7 wk
26 Apr
4 wk before
16 May
1 wk before
Pumpkin
Cucurbita pepo
Season too short
27 May – 3 Jun
3-4 wk
24 Jun
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
Fleece
6 – 13 May
3-4 wk
3 Jun
2 wk after
19 May
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
25 Apr – 9 May
4-6 wk
6 Jun
2 wk after
Lettuce
Lactuca sativa
15 – 22 Apr
3-4 wk
13 May
1 wk before
16 May
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
1 – 15 Apr
4-6 wk
13 May
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
7 – 21 Apr
2-4 wk
5 May
2 wk before
12 May
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
16 May
1 wk before
Spinach
Spinacia oleracea
7 – 14 Apr
3-4 wk
5 May
2 wk before
7 May
3 wk before
Sweet potato
Ipomoea batatas
7 – 21 Jun
4-6 wk
19 Jul
8 wk after
Tomato
Solanum lycopersicum
Season too short
16 – 30 Apr
6-8 wk
11 Jun
3 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
Season too short
14 – 28 May
2-4 wk
11 Jun
3 wk after
30 May
1 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
25 Apr – 9 May
4-6 wk
6 Jun
2 wk after
Pea
Pisum sativum
7 – 14 Apr
3-4 wk
5 May
2 wk before
16 May
1 wk before
Current date Soon Date passed

Herbs

Plant Sow indoors Transplant Direct sow
Date Growing timeGrow. time Date Rel. frost Date Rel. frost
Basil
Ocimum basilicum
Greenhouse
6 – 20 May
4-6 wk
17 Jun
4 wk after
Lemon balm
Melissa officinalis
11 – 25 Mar
8-10 wk
20 May
Vid frost
14 Jun
3 wk after
Dill
Anethum graveolens
16 May
1 wk before
Chives
Allium schoenoprasum
1 – 15 Mar
6-8 wk
26 Apr
4 wk before
16 May
1 wk before
Spearmint
Mentha spicata
10 Feb – 10 Mar
8-12 wk
5 May
2 wk before
14 Jun
3 wk after
Coriander
Coriandrum sativum
2 Jun
1 wk after
Sage
Salvia officinalis
Greenhouse
17 – 31 Mar
8-10 wk
26 May
1 wk after
Thyme
Thymus vulgaris
28 Mar – 11 Apr
8-10 wk
6 Jun
2 wk after
Oregano
Origanum vulgare
31 Mar – 14 Apr
6-8 wk
26 May
1 wk after
14 Jun
3 wk after
Parsley
Petroselinum crispum
10 – 24 Mar
6-8 wk
5 May
2 wk before
16 May
1 wk before
Rosemary
Salvia rosmarinus
Greenhouse
17 Feb – 17 Mar
10-14 wk
26 May
1 wk after
Current date Soon Date passed

Annual flowers

Plant Sow indoors Transplant Direct sow
Date Growing timeGrow. time Date Rel. frost Date Rel. frost
Morning glory
Ipomoea tricolor
Season too short
8 – 15 Jun
3-4 wk
6 Jul
7 wk after
Cornflower
Centaurea cyanus
5 May
2 wk before
16 May
1 wk before
Statice
Limonium sinuatum
Season too short
2 – 16 Apr
8-10 wk
11 Jun
3 wk after
Sweet William
Dianthus barbatus
10 – 24 Mar
6-8 wk
5 May
2 wk before
28 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Season too short
16 – 30 Apr
6-8 wk
11 Jun
3 wk after
17 Jun
4 wk after
Dahlia
Dahlia × pinnata
Season too short
8 – 22 Apr
6-8 wk
3 Jun
2 wk after
Dahlia (tubers)
Dahlia × pinnata
7 May – 4 Jun
4-8 wk
2 Jul
6 wk after
14 Jun
3 wk after
Foxglove
Digitalis purpurea
24 Feb – 10 Mar
8-10 wk
5 May
2 wk before
2 Jun
1 wk after
Busy lizzie
Impatiens walleriana
Season too short
1 – 29 Apr
8-12 wk
24 Jun
5 wk after
Creeping zinnia
Sanvitalia procumbens
Season too short
16 – 30 Apr
6-8 wk
11 Jun
3 wk after
Hyacinth bean
Dolichos lablab
Season too short
25 May – 8 Jun
4-6 wk
6 Jul
7 wk after
Chinese lantern
Physalis alkekengi
Greenhouse
17 – 31 Mar
8-10 wk
26 May
1 wk after
Love in a mist
Nigella damascena
16 May
1 wk before
Strawflower
Xerochrysum bracteatum
Season too short
16 – 30 Apr
6-8 wk
11 Jun
3 wk after
17 Jun
4 wk after
Tall verbena
Verbena bonariensis
Greenhouse
3 – 31 Mar
8-12 wk
26 May
1 wk after
Cardoon
Cynara cardunculus
Season too short
19 Mar – 16 Apr
8-12 wk
11 Jun
3 wk after
Regal-foxtail
Ptilotus nobilis
Season too short
1 – 29 Apr
8-12 wk
24 Jun
5 wk after
Globe amaranth
Gomphrena globosa
Season too short
29 Apr – 13 May
6-8 wk
24 Jun
5 wk after
Corn poppy
Papaver rhoeas
16 May
1 wk before
Snapdragon
Antirrhinum majus
18 Feb – 18 Mar
8-12 wk
13 May
1 wk before
28 May
1 wk after
Flossflower
Ageratum houstonianum
Season too short
15 – 29 Apr
8-10 wk
24 Jun
5 wk after
Sweet pea
Lathyrus odoratus
10 – 31 Mar
5-8 wk
5 May
2 wk before
Stock
Matthiola incana
18 Mar – 1 Apr
6-8 wk
13 May
1 wk before
2 Jun
1 wk after
Wormwood
Artemisia absinthium
10 – 24 Mar
6-8 wk
5 May
2 wk before
2 Jun
1 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
13 – 27 May
4-6 wk
24 Jun
5 wk after
Pansy
Viola × wittrockiana
15 Feb – 1 Mar
8-10 wk
26 Apr
4 wk before
28 May
1 wk after
Petunia
Petunia
Season too short
19 Mar – 16 Apr
8-12 wk
11 Jun
3 wk after
Scabious
Scabiosa atropurpurea
Greenhouse
31 Mar – 14 Apr
6-8 wk
26 May
1 wk after
30 May
1 wk after
Zinnia
Zinnia elegans
Season too short
30 Apr – 14 May
4-6 wk
11 Jun
3 wk after
Common morning glory
Ipomoea purpurea
Season too short
20 May – 3 Jun
3-5 wk
24 Jun
5 wk after
Cosmos
Cosmos bipinnatus
Season too short
30 Apr – 14 May
4-6 wk
11 Jun
3 wk after
30 May
1 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
13 Apr – 11 May
8-12 wk
6 Jul
7 wk after
Bee balm
Monarda didyma
25 Feb – 25 Mar
8-12 wk
20 May
Vid frost
14 Jun
3 wk after
Yarrow
Achillea millefolium
10 – 24 Mar
6-8 wk
5 May
2 wk before
2 Jun
1 wk after
Safflower
Carthamus tinctorius
5 May
2 wk before
16 May
1 wk before
Iceland poppy
Papaver nudicaule
1 – 15 Mar
6-8 wk
26 Apr
4 wk before
12 May
2 wk before
Bishop's flower
Ammi majus
19 Apr – 3 May
4-6 wk
31 May
1 wk after
2 Jun
1 wk after
Drumsticks
Pycnosorus globosus
Season too short
1 – 15 Apr
10-12 wk
24 Jun
5 wk after
Sunflower
Helianthus annuus
Season too short
14 – 21 May
3-4 wk
11 Jun
3 wk after
19 May
China aster
Callistephus chinensis
Season too short
16 – 30 Apr
6-8 wk
11 Jun
3 wk after
30 May
1 wk after
Annual phlox
Phlox drummondii
Greenhouse
4 – 18 Apr
6-8 wk
30 May
1 wk after
30 May
1 wk after
Hollyhock
Alcea rosea
10 – 24 Mar
6-8 wk
5 May
2 wk before
2 Jun
1 wk after
Delphinium
Delphinium elatum
14 Mar – 11 Apr
8-12 wk
6 Jun
2 wk after
14 Jun
3 wk after
African marigold
Tagetes erecta
Season too short
16 – 30 Apr
6-8 wk
11 Jun
3 wk after
Black-eyed Susan
Rudbeckia hirta
Greenhouse
31 Mar – 14 Apr
6-8 wk
26 May
1 wk after
30 May
1 wk after
Woodland sage
Salvia nemorosa
17 – 31 Mar
8-10 wk
26 May
1 wk after
14 Jun
3 wk after
Black-eyed susan vine
Thunbergia alata
Season too short
15 Apr – 13 May
6-10 wk
24 Jun
5 wk after
California goldenpoppy
Eschscholzia californica
16 May
1 wk before
Painted tongue
Salpiglossis sinuata
Season too short
2 – 16 Apr
8-10 wk
11 Jun
3 wk after
Water forget-me-not
Myosotis scorpioides
10 – 24 Mar
6-8 wk
5 May
2 wk before
2 Jun
1 wk after
Current date Soon Date passed