Create your calendar
Method
Rel. frost
Last spring frost (0°C) 23 Apr Frost 9 of 10 years · 20 years of data
Frost-free season 159 days 23 Apr – 29 Sep
Probability that frost is over

10% = Half of years are frost-free by this date. More about frost & season →

Custom date

Vegetables

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