Create your calendar
Method
Rel. frost
Last spring frost (0°C) 9 Apr Frost 1 of 4 years · 20 years of data
Frost-free season 233 days 9 Apr – 28 Nov
Probability that frost is over

75% = 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)
19 Feb – 5 Mar
21 Jun
5-7 wk
9 Apr
26 Jul
0 wk
3 Apr
16 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
26 Feb – 12 Mar
3 Jul
4-6 wk
9 Apr
31 Jul
0 wk
3 Apr
21 Jul
1 wk before
Chili pepper
Capsicum annuum
25 Feb – 25 Mar
28 Apr
8-12 wk
20 May
23 Jun
6 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
19 Feb – 5 Mar
16 Jun
5-7 wk
9 Apr
21 Jul
0 wk
27 Mar
11 Jul
2 wk before
Garden cucumber
Cucumis sativus
22 – 29 Apr
2 Jul
3-4 wk
20 May
23 Jul
6 wk after
Florence Fennel
Foeniculum vulgare
15 – 22 Apr
13 Jun
4-5 wk
20 May
11 Jul
6 wk after
20 May
1 Jul
6 wk after
Butter bean
Phaseolus lunatus
15 – 22 Jun
3-4 wk
13 Jul
14 wk after
Onion
Allium cepa (Cepa-gruppen)
15 Jan – 12 Feb
6 Apr
8-12 wk
9 Apr
1 Jun
0 wk
22 Apr
22 May
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
3 Apr
21 Jun
1 wk before
3 Apr
11 Jun
1 wk before
Maize
Zea mays
8 – 15 Apr
22 Jun
3-4 wk
6 May
13 Jul
4 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
12 – 19 Mar
10 Jul
3-4 wk
9 Apr
31 Jul
0 wk
22 Apr
21 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
9 Apr
11 Jul
0 wk
27 Mar
1 Jul
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
19 Feb – 5 Mar
16 Jun
5-7 wk
9 Apr
21 Jul
0 wk
27 Mar
11 Jul
2 wk before
Potato
Solanum tuberosum
3 – 17 Mar
13 Jun
4-6 wk
14 Apr
11 Jul
1 wk after
14 Apr
1 Jul
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
19 Feb – 5 Mar
26 Jun
5-7 wk
9 Apr
31 Jul
0 wk
3 Apr
21 Jul
1 wk before
Pumpkin
Cucurbita pepo
22 – 29 Apr
15 Jul
3-4 wk
20 May
5 Aug
6 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
12 – 19 Mar
6 Jul
3-4 wk
9 Apr
27 Jul
0 wk
22 Apr
17 Jul
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
26 Feb – 12 Mar
28 Jun
4-6 wk
9 Apr
26 Jul
0 wk
Lettuce
Lactuca sativa
12 – 19 Mar
15 Jul
3-4 wk
9 Apr
5 Aug
0 wk
3 Apr
26 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
26 Feb – 12 Mar
28 Jun
4-6 wk
9 Apr
26 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
27 Feb – 13 Mar
7 Jun
2-4 wk
27 Mar
21 Jun
2 wk before
27 Mar
11 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
3 Apr
21 Jun
1 wk before
3 Apr
11 Jun
1 wk before
Spinach
Spinacia oleracea
12 – 19 Mar
30 Jul
3-4 wk
9 Apr
20 Aug
0 wk
20 Mar
10 Aug
3 wk before
Sweet potato
Ipomoea batatas
11 – 25 May
4-6 wk
22 Jun
11 wk after
Garden tomato
Solanum lycopersicum
11 – 25 Mar
1 Jun
6-8 wk
6 May
13 Jul
4 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
8 – 22 Apr
17 Jul
2-4 wk
6 May
31 Jul
4 wk after
20 May
21 Jul
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
26 Feb – 12 Mar
28 Jun
4-6 wk
9 Apr
26 Jul
0 wk
Garden pea
Pisum sativum
12 – 19 Mar
30 Jun
3-4 wk
9 Apr
21 Jul
0 wk
3 Apr
11 Jul
1 wk before

Herbs

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