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No frost in sight Last frost normally in 8 days (13 May), but frost-free in the forecast.
Method
Rel. frost
Last spring frost (0°C) 13 May Frost 1 of 10 years · 20 years of data
Frost-free season 185 days 13 May – 14 Nov
Probability that frost is over

90% = Half of years are frost-free by this date. More about frost & season →

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Vegetables

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