Create your calendar
Method
Rel. frost
Last spring frost (0°C) 20 Apr Frost 1 of 10 years · 20 years of data
Frost-free season 229 days 20 Apr – 5 Dec
Probability that frost is over

90% = 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)
1 – 15 Apr
5-7 wk
20 May
5 wk after
16 Apr
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
26 Mar – 9 Apr
4-6 wk
7 May
3 wk after
16 Apr
1 wk before
Chili pepper
Capsicum annuum
Fleece
23 Mar – 20 Apr
8-12 wk
15 Jun
8 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
6 – 20 Feb
5-7 wk
27 Mar
4 wk before
12 Apr
2 wk before
Cucumber
Cucumis sativus
18 – 25 May
3-4 wk
15 Jun
10 wk after
Florence Fennel
Foeniculum vulgare
Fleece
11 – 18 May
4-5 wk
15 Jun
8 wk after
16 May
4 wk after
Butter bean
Phaseolus lunatus
Season too short
3 – 10 May
3-4 wk
31 May
6 wk after
Onion
Allium cepa (Cepa-gruppen)
26 Jan – 23 Feb
8-12 wk
20 Apr
Vid frost
3 May
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
Season too short
7 Apr
2 wk before
Sweetcorn
Zea mays
Season too short
25 Apr – 2 May
3-4 wk
23 May
5 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
22 – 29 Apr
3-4 wk
20 May
5 wk after
3 May
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
12 Apr
2 wk before
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
6 – 20 Feb
5-7 wk
27 Mar
4 wk before
12 Apr
2 wk before
Potato
Solanum tuberosum
Season too short
17 Feb – 3 Mar
4-6 wk
31 Mar
3 wk before
31 Mar
3 wk before
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
6 – 20 Feb
5-7 wk
27 Mar
4 wk before
16 Apr
1 wk before
Pumpkin
Cucurbita pepo
18 – 25 May
3-4 wk
15 Jun
10 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
22 – 29 Apr
3-4 wk
20 May
5 wk after
3 May
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
26 Mar – 9 Apr
4-6 wk
7 May
3 wk after
Lettuce
Lactuca sativa
16 – 23 Mar
3-4 wk
13 Apr
1 wk before
16 Apr
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
2 – 16 Mar
4-6 wk
13 Apr
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
Season too short
5 – 19 Feb
2-4 wk
5 Mar
7 wk before
5 Mar
7 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
Season too short
17 Mar
5 wk before
Spinach
Spinacia oleracea
8 – 15 Mar
3-4 wk
5 Apr
3 wk before
7 Apr
3 wk before
Sweet potato
Ipomoea batatas
8 – 22 May
4-6 wk
19 Jun
11 wk after
Tomato
Solanum lycopersicum
12 – 26 Apr
6-8 wk
7 Jun
8 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
10 – 24 May
2-4 wk
7 Jun
8 wk after
31 May
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
26 Mar – 9 Apr
4-6 wk
7 May
3 wk after
Pea
Pisum sativum
8 – 15 Mar
3-4 wk
5 Apr
3 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
Season too short
11 – 25 Apr
4-6 wk
23 May
5 wk after
Lemon balm
Melissa officinalis
9 – 23 Feb
8-10 wk
20 Apr
Vid frost
15 May
4 wk after
Dill
Anethum graveolens
16 Apr
1 wk before
Chives
Allium schoenoprasum
30 Jan – 13 Feb
6-8 wk
27 Mar
4 wk before
16 Apr
1 wk before
Spearmint
Mentha spicata
11 Jan – 8 Feb
8-12 wk
5 Apr
3 wk before
15 May
4 wk after
Coriander
Coriandrum sativum
3 May
2 wk after
Sage
Salvia officinalis
11 – 25 Mar
8-10 wk
20 May
5 wk after
Thyme
Thymus vulgaris
26 Feb – 12 Mar
8-10 wk
7 May
3 wk after
Oregano
Origanum vulgare
1 – 15 Mar
6-8 wk
26 Apr
1 wk after
15 May
4 wk after
Parsley
Petroselinum crispum
8 – 22 Feb
6-8 wk
5 Apr
3 wk before
16 Apr
1 wk before
Rosemary
Salvia rosmarinus
11 Feb – 11 Mar
10-14 wk
20 May
5 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
Fleece
29 May – 5 Jun
3-4 wk
26 Jun
10 wk after
Cornflower
Centaurea cyanus
5 Apr
3 wk before
16 Apr
1 wk before
Statice
Limonium sinuatum
29 Mar – 12 Apr
8-10 wk
7 Jun
8 wk after
Sweet William
Dianthus barbatus
8 – 22 Feb
6-8 wk
5 Apr
3 wk before
28 Apr
1 wk after
Snow-on-the-mountain
Euphorbia marginata
12 – 26 Apr
6-8 wk
7 Jun
8 wk after
30 Jun
11 wk after
Dahlia
Dahlia × pinnata
7 – 21 Apr
6-8 wk
2 Jun
7 wk after
Dahlia (tubers)
Dahlia × pinnata
Season too short
22 Feb – 22 Mar
4-8 wk
19 Apr
19 Apr
Foxglove
Digitalis purpurea
25 Jan – 8 Feb
8-10 wk
5 Apr
3 wk before
3 May
2 wk after
Busy lizzie
Impatiens walleriana
23 Mar – 20 Apr
8-12 wk
15 Jun
10 wk after
Creeping zinnia
Sanvitalia procumbens
12 – 26 Apr
6-8 wk
7 Jun
8 wk after
Hyacinth bean
Dolichos lablab
Greenhouse
4 – 18 May
4-6 wk
15 Jun
8 wk after
Chinese lantern
Physalis alkekengi
11 – 25 Mar
8-10 wk
20 May
5 wk after
Love in a mist
Nigella damascena
16 Apr
1 wk before
Strawflower
Xerochrysum bracteatum
12 – 26 Apr
6-8 wk
7 Jun
8 wk after
30 Jun
11 wk after
Tall verbena
Verbena bonariensis
25 Feb – 25 Mar
8-12 wk
20 May
5 wk after
Cardoon
Cynara cardunculus
Greenhouse
21 Feb – 21 Mar
8-12 wk
16 May
4 wk after
Regal-foxtail
Ptilotus nobilis
Fleece
23 Mar – 20 Apr
8-12 wk
15 Jun
8 wk after
Globe amaranth
Gomphrena globosa
Fleece
20 Apr – 4 May
6-8 wk
15 Jun
8 wk after
Corn poppy
Papaver rhoeas
16 Apr
1 wk before
Snapdragon
Antirrhinum majus
19 Jan – 16 Feb
8-12 wk
13 Apr
1 wk before
28 Apr
1 wk after
Flossflower
Ageratum houstonianum
6 – 20 Apr
8-10 wk
15 Jun
10 wk after
Sweet pea
Lathyrus odoratus
8 Feb – 1 Mar
5-8 wk
5 Apr
3 wk before
Stock
Matthiola incana
16 Feb – 2 Mar
6-8 wk
13 Apr
1 wk before
3 May
2 wk after
Wormwood
Artemisia absinthium
8 – 22 Feb
6-8 wk
5 Apr
3 wk before
3 May
2 wk after
Mexican sunflower
Tithonia rotundifolia
Fleece
4 – 18 May
4-6 wk
15 Jun
8 wk after
Pansy
Viola × wittrockiana
16 – 30 Jan
8-10 wk
27 Mar
4 wk before
28 Apr
1 wk after
Petunia
Petunia
15 Mar – 12 Apr
8-12 wk
7 Jun
8 wk after
Scabious
Scabiosa atropurpurea
25 Mar – 8 Apr
6-8 wk
20 May
5 wk after
31 May
6 wk after
Zinnia
Zinnia elegans
26 Apr – 10 May
4-6 wk
7 Jun
8 wk after
Common morning glory
Ipomoea purpurea
11 – 25 May
3-5 wk
15 Jun
10 wk after
Cosmos
Cosmos bipinnatus
26 Apr – 10 May
4-6 wk
7 Jun
8 wk after
31 May
6 wk after
Scarlet milkweed
Asclepias curassavica
Fleece
3 Apr – 1 May
8-12 wk
26 Jun
10 wk after
Bee balm
Monarda didyma
26 Jan – 23 Feb
8-12 wk
20 Apr
Vid frost
15 May
4 wk after
Yarrow
Achillea millefolium
8 – 22 Feb
6-8 wk
5 Apr
3 wk before
3 May
2 wk after
Safflower
Carthamus tinctorius
5 Apr
3 wk before
16 Apr
1 wk before
Iceland poppy
Papaver nudicaule
30 Jan – 13 Feb
6-8 wk
27 Mar
4 wk before
12 Apr
2 wk before
Bishop's flower
Ammi majus
20 Mar – 3 Apr
4-6 wk
1 May
2 wk after
3 May
2 wk after
Drumsticks
Pycnosorus globosus
Fleece
23 Mar – 6 Apr
10-12 wk
15 Jun
8 wk after
Sunflower
Helianthus annuus
10 – 17 May
3-4 wk
7 Jun
8 wk after
15 May
4 wk after
China aster
Callistephus chinensis
12 – 26 Apr
6-8 wk
7 Jun
8 wk after
31 May
6 wk after
Annual phlox
Phlox drummondii
31 Mar – 14 Apr
6-8 wk
26 May
6 wk after
31 May
6 wk after
Hollyhock
Alcea rosea
8 – 22 Feb
6-8 wk
5 Apr
3 wk before
3 May
2 wk after
Delphinium
Delphinium elatum
12 Feb – 12 Mar
8-12 wk
7 May
3 wk after
15 May
4 wk after
African marigold
Tagetes erecta
12 – 26 Apr
6-8 wk
7 Jun
8 wk after
Black-eyed Susan
Rudbeckia hirta
25 Mar – 8 Apr
6-8 wk
20 May
5 wk after
31 May
6 wk after
Woodland sage
Salvia nemorosa
15 Feb – 1 Mar
8-10 wk
26 Apr
1 wk after
15 May
4 wk after
Black-eyed susan vine
Thunbergia alata
6 Apr – 4 May
6-10 wk
15 Jun
10 wk after
California goldenpoppy
Eschscholzia californica
16 Apr
1 wk before
Painted tongue
Salpiglossis sinuata
29 Mar – 12 Apr
8-10 wk
7 Jun
8 wk after
Water forget-me-not
Myosotis scorpioides
8 – 22 Feb
6-8 wk
5 Apr
3 wk before
3 May
2 wk after
Current date Soon Date passed