Create your calendar
No frost in sight Last frost normally in 7 days (16 May), but frost-free in the forecast.
Method
Rel. frost
Last spring frost (0°C) 16 May Normal year · 20 years of data
Frost-free season 140 days 16 May – 3 Oct

Vegetables

Plant Sow indoors Transplant Direct sow
Earliest Latest Growing time Earliest Latest Rel. frost Earliest Latest Rel. frost
Cauliflower
Brassica oleracea (Botrytis-gruppen)
28 Mar – 11 Apr
12 Jun
5-7 wk
16 May
17 Jul
0 wk
17 May
7 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
4 – 18 Apr
24 Jun
4-6 wk
16 May
22 Jul
0 wk
17 May
12 Jul
0 wk
Chili pepper
Capsicum annuum
Greenhouse
4 Mar – 1 Apr
13 Apr
8-12 wk
27 May
8 Jun
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
28 Mar – 11 Apr
7 Jun
5-7 wk
16 May
12 Jul
0 wk
16 May
2 Jul
0 wk
Garden cucumber
Cucumis sativus
22 – 29 May
23 May
3-4 wk
19 Jun
5 wk after
Florence Fennel
Foeniculum vulgare
15 – 22 May
2 Jun
4-5 wk
19 Jun
30 Jun
5 wk after
28 Jun
6 wk after
Butter bean
Phaseolus lunatus
Season too short
29 May – 5 Jun
3-4 wk
26 Jun
6 wk after
Onion
Allium cepa (Cepa-gruppen)
21 Feb – 21 Mar
26 Mar
8-12 wk
16 May
21 May
0 wk
29 May
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
17 May
10 Jun
0 wk
17 May
31 May
0 wk
Maize
Zea mays
8 – 15 May
13 May
3-4 wk
5 Jun
3 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
24 Apr – 1 May
1 Jul
3-4 wk
22 May
22 Jul
1 wk after
29 May
12 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
16 May
2 Jul
0 wk
16 May
22 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
28 Mar – 11 Apr
7 Jun
5-7 wk
16 May
12 Jul
0 wk
16 May
2 Jul
0 wk
Potato
Solanum tuberosum
14 – 28 Apr
24 May
4-6 wk
26 May
21 Jun
1 wk after
26 May
11 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
28 Mar – 11 Apr
17 Jun
5-7 wk
16 May
22 Jul
0 wk
17 May
12 Jul
0 wk
Pumpkin
Cucurbita pepo
22 – 29 May
12 Jun
3-4 wk
19 Jun
3 Jul
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
24 Apr – 1 May
9 Jun
3-4 wk
22 May
30 Jun
1 wk after
29 May
20 Jun
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
4 – 18 Apr
19 Jun
4-6 wk
16 May
17 Jul
0 wk
Lettuce
Lactuca sativa
18 – 25 Apr
6 Jul
3-4 wk
16 May
27 Jul
0 wk
17 May
17 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
4 – 18 Apr
19 Jun
4-6 wk
16 May
17 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
18 Apr – 2 May
29 May
2-4 wk
16 May
12 Jun
0 wk
16 May
2 Jun
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
17 May
10 Jun
0 wk
17 May
31 May
0 wk
Spinach
Spinacia oleracea
18 – 25 Apr
21 Jul
3-4 wk
16 May
11 Aug
0 wk
13 May
1 Aug
0 wk
Sweet potato
Ipomoea batatas
10 – 24 Jun
4-6 wk
22 Jul
10 wk after
Garden tomato
Solanum lycopersicum
10 – 24 Apr
22 Apr
6-8 wk
5 Jun
3 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
8 – 22 May
14 Jun
2-4 wk
5 Jun
28 Jun
3 wk after
28 Jun
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
4 – 18 Apr
19 Jun
4-6 wk
16 May
17 Jul
0 wk
Garden pea
Pisum sativum
18 – 25 Apr
21 Jun
3-4 wk
16 May
12 Jul
0 wk
17 May
2 Jul
0 wk

Herbs

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