Create your calendar
Method
Rel. frost
Last spring frost (0°C) 6 Apr Frost 9 of 10 years · 20 years of data
Frost-free season 191 days 6 Apr – 14 Oct
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
Earliest Latest Growing time Earliest Latest Rel. frost Earliest Latest Rel. frost
Cauliflower
Brassica oleracea (Botrytis-gruppen)
16 Feb – 2 Mar
14 Jun
5-7 wk
6 Apr
19 Jul
0 wk
10 Apr
9 Jul
1 wk after
Broccoli
Brassica oleracea (Italica-gruppen)
23 Feb – 9 Mar
26 Jun
4-6 wk
6 Apr
24 Jul
0 wk
10 Apr
14 Jul
1 wk after
Chili pepper
Capsicum annuum
Season too short
27 Jan – 24 Feb
31 Jan
8-12 wk
21 Apr
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
16 Feb – 2 Mar
9 Jun
5-7 wk
6 Apr
14 Jul
0 wk
6 Apr
4 Jul
0 wk
Garden cucumber
Cucumis sativus
Greenhouse
24 – 31 Mar
11 Apr
3-4 wk
21 Apr
2 May
2 wk after
Florence Fennel
Foeniculum vulgare
14 – 21 Apr
6 Jun
4-5 wk
19 May
4 Jul
6 wk after
25 May
24 Jun
7 wk after
Butter bean
Phaseolus lunatus
Season too short
26 Apr – 3 May
3-4 wk
24 May
7 wk after
Onion
Allium cepa (Cepa-gruppen)
12 Jan – 9 Feb
29 Mar
8-12 wk
6 Apr
24 May
0 wk
27 Apr
14 May
3 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
10 Apr
13 Jun
1 wk after
10 Apr
3 Jun
1 wk after
Maize
Zea mays
Greenhouse
10 – 17 Mar
1 Apr
3-4 wk
7 Apr
22 Apr
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
17 – 24 Mar
3 Jul
3-4 wk
14 Apr
24 Jul
1 wk after
27 Apr
14 Jul
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
6 Apr
4 Jul
0 wk
6 Apr
24 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
16 Feb – 2 Mar
9 Jun
5-7 wk
6 Apr
14 Jul
0 wk
6 Apr
4 Jul
0 wk
Potato
Solanum tuberosum
11 – 25 Mar
24 May
4-6 wk
22 Apr
21 Jun
2 wk after
22 Apr
11 Jun
2 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
16 Feb – 2 Mar
19 Jun
5-7 wk
6 Apr
24 Jul
0 wk
10 Apr
14 Jul
1 wk after
Pumpkin
Cucurbita pepo
Greenhouse
24 – 31 Mar
11 Jun
3-4 wk
21 Apr
2 Jul
2 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
17 – 24 Mar
25 May
3-4 wk
14 Apr
15 Jun
1 wk after
27 Apr
5 Jun
3 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
23 Feb – 9 Mar
21 Jun
4-6 wk
6 Apr
19 Jul
0 wk
Lettuce
Lactuca sativa
9 – 16 Mar
8 Jul
3-4 wk
6 Apr
29 Jul
0 wk
10 Apr
19 Jul
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
23 Feb – 9 Mar
21 Jun
4-6 wk
6 Apr
19 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
9 – 23 Mar
31 May
2-4 wk
6 Apr
14 Jun
0 wk
6 Apr
4 Jun
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
10 Apr
13 Jun
1 wk after
10 Apr
3 Jun
1 wk after
Spinach
Spinacia oleracea
9 – 16 Mar
23 Jul
3-4 wk
6 Apr
13 Aug
0 wk
2 Apr
3 Aug
1 wk before
Sweet potato
Ipomoea batatas
8 – 22 May
4-6 wk
19 Jun
11 wk after
Garden tomato
Solanum lycopersicum
Greenhouse
10 – 24 Feb
11 Mar
6-8 wk
7 Apr
22 Apr
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Fleece
24 Mar – 7 Apr
18 Apr
2-4 wk
21 Apr
2 May
2 wk after
11 May
5 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
23 Feb – 9 Mar
21 Jun
4-6 wk
6 Apr
19 Jul
0 wk
Garden pea
Pisum sativum
9 – 16 Mar
23 Jun
3-4 wk
6 Apr
14 Jul
0 wk
10 Apr
4 Jul
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
10 – 24 Mar
20 May
4-6 wk
21 Apr
17 Jun
2 wk after
Lemon balm
Melissa officinalis
26 Jan – 9 Feb
19 May
8-10 wk
6 Apr
14 Jul
0 wk
11 May
4 Jul
5 wk after
Dill
Anethum graveolens
10 Apr
24 Jul
1 wk after
Wild chives
Allium schoenoprasum
Season too short
9 – 23 Feb
2 Jun
6-8 wk
6 Apr
14 Jul
0 wk
25 Mar
4 Jul
2 wk before
Spearmint
Mentha spicata
12 Jan – 9 Feb
19 May
8-12 wk
6 Apr
14 Jul
0 wk
11 May
4 Jul
5 wk after
Coriander
Coriandrum sativum
6 Apr
13 Aug
0 wk
27 Apr
3 Aug
3 wk after
Garden sage
Salvia officinalis
3 – 17 Feb
4 May
8-10 wk
14 Apr
29 Jun
1 wk after
Common thyme
Thymus vulgaris
26 Jan – 9 Feb
9 May
8-10 wk
6 Apr
4 Jul
0 wk
Oregano
Origanum vulgare
9 – 23 Feb
23 May
6-8 wk
6 Apr
4 Jul
0 wk
11 May
24 Jun
5 wk after
Parsley
Petroselinum crispum
9 – 23 Feb
23 May
6-8 wk
6 Apr
4 Jul
0 wk
10 Apr
24 Jun
1 wk after
Rosemary
Salvia rosmarinus
6 Jan – 3 Feb
5 Apr
10-14 wk
14 Apr
14 Jun
1 wk after

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
24 – 31 Mar
27 May
3-4 wk
21 Apr
17 Jun
2 wk after
Cornflower
Centaurea cyanus
6 Apr
14 Jul
0 wk
10 Apr
4 Jul
1 wk after
Statice
Limonium sinuatum
22 Feb – 8 Mar
27 Mar
8-10 wk
3 May
22 May
4 wk after
Sweet William
Dianthus barbatus
9 – 23 Feb
6-8 wk
6 Apr
0 wk
22 Apr
2 wk after
Snow-on-the-mountain
Euphorbia marginata
8 – 22 Mar
10 Apr
6-8 wk
3 May
22 May
4 wk after
19 Jun
11 wk after
Pinnate dahlia
Dahlia × pinnata
28 Feb – 14 Mar
26 Apr
6-8 wk
25 Apr
7 Jun
3 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
16 Mar – 13 Apr
10 May
4-8 wk
11 May
7 Jun
5 wk after
11 May
28 May
5 wk after
Foxglove
Digitalis purpurea
26 Jan – 9 Feb
8-10 wk
6 Apr
0 wk
27 Apr
3 wk after
Busy lizzie
Impatiens walleriana
24 Feb – 24 Mar
12 Apr
8-12 wk
19 May
7 Jun
6 wk after
Creeping zinnia
Sanvitalia procumbens
8 – 22 Mar
20 Apr
6-8 wk
3 May
1 Jun
4 wk after
Hyacinth bean
Dolichos lablab
Season too short
22 Mar – 5 Apr
4-6 wk
3 May
4 wk after
Chinese lantern
Physalis alkekengi
3 – 17 Feb
19 Apr
8-10 wk
14 Apr
14 Jun
1 wk after
Love in a mist
Nigella damascena
6 Apr
29 Jun
0 wk
10 Apr
19 Jun
1 wk after
Strawflower
Xerochrysum bracteatum
8 – 22 Mar
31 Mar
6-8 wk
3 May
12 May
4 wk after
19 Jun
11 wk after
Purple-top vervain
Verbena bonariensis
20 Jan – 17 Feb
19 Apr
8-12 wk
14 Apr
14 Jun
1 wk after
Cardoon
Cynara cardunculus
8 Feb – 8 Mar
20 Mar
8-12 wk
3 May
15 May
4 wk after
Regal-foxtail
Ptilotus nobilis
Greenhouse
27 Jan – 24 Feb
12 Apr
8-12 wk
21 Apr
7 Jun
2 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
24 Feb – 10 Mar
26 Apr
6-8 wk
21 Apr
7 Jun
2 wk after
Corn poppy
Papaver rhoeas
6 Apr
14 Jul
0 wk
10 Apr
4 Jul
1 wk after
Snapdragon
Antirrhinum majus
12 Jan – 9 Feb
9 May
8-12 wk
6 Apr
4 Jul
0 wk
22 Apr
24 Jun
2 wk after
Flossflower
Ageratum houstonianum
10 – 24 Mar
6 Apr
8-10 wk
19 May
1 Jun
6 wk after
Sweet pea
Lathyrus odoratus
9 Feb – 2 Mar
30 May
5-8 wk
6 Apr
4 Jul
0 wk
Stock
Matthiola incana
9 – 23 Feb
2 Jun
6-8 wk
6 Apr
14 Jul
0 wk
27 Apr
4 Jul
3 wk after
Wormwood
Artemisia absinthium
9 – 23 Feb
3 May
6-8 wk
6 Apr
14 Jun
0 wk
27 Apr
4 Jun
3 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
10 – 24 Mar
5 May
4-6 wk
21 Apr
2 Jun
2 wk after
Garden pansy
Viola × wittrockiana
26 Jan – 9 Feb
19 May
8-10 wk
6 Apr
14 Jul
0 wk
22 Apr
4 Jul
2 wk after
Petunia
Petunia
8 Feb – 8 Mar
27 Mar
8-12 wk
3 May
22 May
4 wk after
Sweet Scabious
Scabiosa atropurpurea
17 Feb – 3 Mar
3 May
6-8 wk
14 Apr
14 Jun
1 wk after
25 May
4 Jun
7 wk after
Common zinnia
Zinnia elegans
Fleece
10 – 24 Mar
20 May
4-6 wk
21 Apr
17 Jun
2 wk after
Common morning glory
Ipomoea purpurea
Greenhouse
17 – 31 Mar
27 May
3-5 wk
21 Apr
17 Jun
2 wk after
Garden cosmos
Cosmos bipinnatus
22 Mar – 5 Apr
10 May
4-6 wk
3 May
7 Jun
4 wk after
25 May
28 May
7 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
8 Feb – 8 Mar
12 May
8-12 wk
3 May
7 Jul
4 wk after
Bee balm
Monarda didyma
12 Jan – 9 Feb
19 Apr
8-12 wk
6 Apr
14 Jun
0 wk
11 May
4 Jun
5 wk after
Yarrow
Achillea millefolium
9 – 23 Feb
3 Apr
6-8 wk
6 Apr
15 May
0 wk
27 Apr
5 May
3 wk after
Safflower
Carthamus tinctorius
6 Apr
14 Jun
0 wk
10 Apr
4 Jun
1 wk after
Iceland poppy
Papaver nudicaule
Season too short
9 – 23 Feb
23 May
6-8 wk
6 Apr
4 Jul
0 wk
19 Mar
24 Jun
3 wk before
Bishop's flower
Ammi majus
23 Feb – 9 Mar
6 Jun
4-6 wk
6 Apr
4 Jul
0 wk
27 Apr
24 Jun
3 wk after
Drumsticks
Pycnosorus globosus
Fleece
8 – 22 Feb
9 Mar
10-12 wk
3 May
18 May
4 wk after
Sunflower
Helianthus annuus
5 – 12 Apr
13 Jun
3-4 wk
3 May
4 Jul
4 wk after
11 May
24 Jun
5 wk after
China aster
Callistephus chinensis
8 – 22 Mar
2 Jun
6-8 wk
3 May
14 Jul
4 wk after
25 May
4 Jul
7 wk after
Annual phlox
Phlox drummondii
24 Feb – 10 Mar
20 Apr
6-8 wk
21 Apr
1 Jun
2 wk after
25 May
7 wk after
Hollyhock
Alcea rosea
9 – 23 Feb
6-8 wk
6 Apr
0 wk
27 Apr
3 wk after
Alpine delphinium
Delphinium elatum
12 Jan – 9 Feb
19 Apr
8-12 wk
6 Apr
14 Jun
0 wk
11 May
4 Jun
5 wk after
African marigold
Tagetes erecta
8 – 22 Mar
20 Apr
6-8 wk
3 May
1 Jun
4 wk after
Black-eyed Susan
Rudbeckia hirta
17 Feb – 3 Mar
23 May
6-8 wk
14 Apr
4 Jul
1 wk after
25 May
24 Jun
7 wk after
Wood sage
Salvia nemorosa
26 Jan – 9 Feb
9 Apr
8-10 wk
6 Apr
4 Jun
0 wk
11 May
25 May
5 wk after
Black-eyed susan vine
Thunbergia alata
Greenhouse
10 Feb – 10 Mar
6 May
6-10 wk
21 Apr
17 Jun
2 wk after
California goldenpoppy
Eschscholzia californica
6 Apr
14 Jul
0 wk
10 Apr
4 Jul
1 wk after
Painted tongue
Salpiglossis sinuata
22 Feb – 8 Mar
9 May
8-10 wk
3 May
4 Jul
4 wk after
Water forget-me-not
Myosotis scorpioides
Season too short
9 – 23 Feb
3 May
6-8 wk
6 Apr
14 Jun
0 wk
6 Apr
4 Jun
0 wk