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No frost in sight Last frost normally in 1 days (4 May), but frost-free in the forecast.
Method
Rel. frost
Last spring frost (0°C) 4 May Frost 1 of 10 years · 20 years of data
Frost-free season 202 days 4 May – 22 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)
17 Apr – 1 May
21 Jun
5-7 wk
5 Jun
26 Jul
5 wk after
28 Apr
16 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
12 – 26 Apr
3 Jul
4-6 wk
24 May
31 Jul
3 wk after
28 Apr
21 Jul
1 wk before
Chili pepper
Capsicum annuum
Greenhouse
22 Mar – 19 Apr
12 Apr
8-12 wk
14 Jun
6 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
14 – 28 Feb
16 Jun
5-7 wk
4 Apr
21 Jul
4 wk before
21 Apr
11 Jul
2 wk before
Garden cucumber
Cucumis sativus
Fleece
1 – 8 Jun
6 Jun
3-4 wk
29 Jun
8 wk after
Florence Fennel
Foeniculum vulgare
5 – 12 Jun
13 Jun
4-5 wk
10 Jul
11 Jul
10 wk after
14 Jun
1 Jul
6 wk after
Butter bean
Phaseolus lunatus
Season too short
16 – 23 Jun
3-4 wk
14 Jul
10 wk after
Onion
Allium cepa (Cepa-gruppen)
9 Feb – 9 Mar
6 Apr
8-12 wk
4 May
1 Jun
Vid frost
17 May
22 May
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
28 Apr
21 Jun
1 wk before
28 Apr
11 Jun
1 wk before
Maize
Zea mays
Fleece
17 – 24 May
27 May
3-4 wk
14 Jun
17 Jun
6 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
8 – 15 May
10 Jul
3-4 wk
5 Jun
31 Jul
5 wk after
17 May
21 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
21 Apr
1 Jul
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
14 – 28 Feb
16 Jun
5-7 wk
4 Apr
21 Jul
4 wk before
21 Apr
11 Jul
2 wk before
Potato
Solanum tuberosum
28 Mar – 11 Apr
13 Jun
4-6 wk
9 May
11 Jul
1 wk after
9 May
1 Jul
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
14 – 28 Feb
26 Jun
5-7 wk
4 Apr
31 Jul
4 wk before
28 Apr
21 Jul
1 wk before
Pumpkin
Cucurbita pepo
12 – 19 Jun
3-4 wk
10 Jul
10 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
8 – 15 May
10 Jul
3-4 wk
5 Jun
31 Jul
5 wk after
17 May
21 Jul
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
12 – 26 Apr
28 Jun
4-6 wk
24 May
26 Jul
3 wk after
Lettuce
Lactuca sativa
28 Mar – 4 Apr
15 Jul
3-4 wk
25 Apr
5 Aug
1 wk before
28 Apr
26 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
14 – 28 Mar
28 Jun
4-6 wk
25 Apr
26 Jul
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
24 Mar – 7 Apr
7 Jun
2-4 wk
21 Apr
21 Jun
2 wk before
21 Apr
11 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
28 Apr
21 Jun
1 wk before
28 Apr
11 Jun
1 wk before
Spinach
Spinacia oleracea
17 – 24 Mar
30 Jul
3-4 wk
14 Apr
20 Aug
3 wk before
14 Apr
10 Aug
3 wk before
Sweet potato
Ipomoea batatas
5 – 19 Jun
4-6 wk
17 Jul
11 wk after
Garden tomato
Solanum lycopersicum
Fleece
19 Apr – 3 May
6 May
6-8 wk
14 Jun
17 Jun
6 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
1 – 15 Jun
13 Jun
2-4 wk
29 Jun
8 wk after
14 Jun
17 Jun
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
12 – 26 Apr
28 Jun
4-6 wk
24 May
26 Jul
3 wk after
Garden pea
Pisum sativum
17 – 24 Mar
30 Jun
3-4 wk
14 Apr
21 Jul
3 wk before
28 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
29 May – 12 Jun
4-6 wk
10 Jul
10 wk after
Lemon balm
Melissa officinalis
23 Feb – 9 Mar
26 May
8-10 wk
4 May
21 Jul
Vid frost
30 May
11 Jul
4 wk after
Dill
Anethum graveolens
28 Apr
31 Jul
1 wk before
Wild chives
Allium schoenoprasum
7 – 21 Feb
9 Jun
6-8 wk
4 Apr
21 Jul
4 wk before
28 Apr
11 Jul
1 wk before
Spearmint
Mentha spicata
20 Jan – 17 Feb
26 May
8-12 wk
14 Apr
21 Jul
3 wk before
30 May
11 Jul
4 wk after
Coriander
Coriandrum sativum
17 May
10 Aug
2 wk after
Garden sage
Salvia officinalis
27 Mar – 10 Apr
11 May
8-10 wk
5 Jun
6 Jul
5 wk after
Common thyme
Thymus vulgaris
15 – 29 Mar
16 May
8-10 wk
24 May
11 Jul
3 wk after
Oregano
Origanum vulgare
18 Mar – 1 Apr
30 May
6-8 wk
13 May
11 Jul
1 wk after
30 May
1 Jul
4 wk after
Parsley
Petroselinum crispum
17 Feb – 3 Mar
30 May
6-8 wk
14 Apr
11 Jul
3 wk before
28 Apr
1 Jul
1 wk before
Rosemary
Salvia rosmarinus
27 Feb – 27 Mar
12 Apr
10-14 wk
5 Jun
21 Jun
5 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
12 – 19 Jun
3-4 wk
10 Jul
10 wk after
Cornflower
Centaurea cyanus
14 Apr
21 Jul
3 wk before
28 Apr
11 Jul
1 wk before
Statice
Limonium sinuatum
20 Apr – 4 May
1 May
8-10 wk
29 Jun
8 wk after
Sweet William
Dianthus barbatus
17 Feb – 3 Mar
6-8 wk
14 Apr
3 wk before
9 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
4 – 18 May
15 May
6-8 wk
29 Jun
8 wk after
17 Jul
11 wk after
Pinnate dahlia
Dahlia × pinnata
27 Apr – 11 May
26 May
6-8 wk
22 Jun
7 Jul
7 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
4 Apr – 2 May
9 Jun
4-8 wk
30 May
7 Jul
4 wk after
30 May
27 Jun
4 wk after
Foxglove
Digitalis purpurea
3 – 17 Feb
8-10 wk
14 Apr
3 wk before
17 May
2 wk after
Busy lizzie
Impatiens walleriana
17 Apr – 15 May
19 Jun
8-12 wk
10 Jul
14 Aug
10 wk after
Creeping zinnia
Sanvitalia procumbens
4 – 18 May
25 May
6-8 wk
29 Jun
6 Jul
8 wk after
Hyacinth bean
Dolichos lablab
Season too short
18 May – 1 Jun
4-6 wk
29 Jun
8 wk after
Chinese lantern
Physalis alkekengi
27 Mar – 10 Apr
26 Apr
8-10 wk
5 Jun
21 Jun
5 wk after
Love in a mist
Nigella damascena
28 Apr
26 Jun
1 wk before
Strawflower
Xerochrysum bracteatum
4 – 18 May
5 May
6-8 wk
29 Jun
8 wk after
17 Jul
11 wk after
Purple-top vervain
Verbena bonariensis
13 Mar – 10 Apr
26 Apr
8-12 wk
5 Jun
21 Jun
5 wk after
Cardoon
Cynara cardunculus
6 Apr – 4 May
8-12 wk
29 Jun
8 wk after
Regal-foxtail
Ptilotus nobilis
Fleece
6 Apr – 4 May
24 Apr
8-12 wk
29 Jun
8 wk after
Globe amaranth
Gomphrena globosa
Fleece
4 – 18 May
8 May
6-8 wk
29 Jun
8 wk after
Corn poppy
Papaver rhoeas
28 Apr
11 Jul
1 wk before
Snapdragon
Antirrhinum majus
31 Jan – 28 Feb
16 May
8-12 wk
25 Apr
11 Jul
1 wk before
9 May
1 Jul
1 wk after
Flossflower
Ageratum houstonianum
1 – 15 May
11 May
8-10 wk
10 Jul
10 wk after
Sweet pea
Lathyrus odoratus
17 Feb – 10 Mar
6 Jun
5-8 wk
14 Apr
11 Jul
3 wk before
Stock
Matthiola incana
28 Feb – 14 Mar
9 Jun
6-8 wk
25 Apr
21 Jul
1 wk before
17 May
11 Jul
2 wk after
Wormwood
Artemisia absinthium
17 Feb – 3 Mar
10 May
6-8 wk
14 Apr
21 Jun
3 wk before
17 May
11 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Fleece
18 May – 1 Jun
4-6 wk
29 Jun
8 wk after
Garden pansy
Viola × wittrockiana
24 Jan – 7 Feb
26 May
8-10 wk
4 Apr
21 Jul
4 wk before
9 May
11 Jul
1 wk after
Petunia
Petunia
6 Apr – 4 May
1 May
8-12 wk
29 Jun
8 wk after
Sweet Scabious
Scabiosa atropurpurea
10 – 24 Apr
10 May
6-8 wk
5 Jun
21 Jun
5 wk after
14 Jun
6 wk after
Common zinnia
Zinnia elegans
18 May – 1 Jun
1 Jun
4-6 wk
29 Jun
29 Jun
8 wk after
Common morning glory
Ipomoea purpurea
5 – 19 Jun
3-5 wk
10 Jul
10 wk after
Garden cosmos
Cosmos bipinnatus
18 May – 1 Jun
9 Jun
4-6 wk
29 Jun
7 Jul
8 wk after
14 Jun
27 Jun
6 wk after
Scarlet milkweed
Asclepias curassavica
24 Apr – 22 May
12 May
8-12 wk
17 Jul
11 wk after
Bee balm
Monarda didyma
9 Feb – 9 Mar
26 Apr
8-12 wk
4 May
21 Jun
Vid frost
30 May
11 Jun
4 wk after
Yarrow
Achillea millefolium
17 Feb – 3 Mar
10 Apr
6-8 wk
14 Apr
22 May
3 wk before
17 May
2 wk after
Safflower
Carthamus tinctorius
14 Apr
21 Jun
3 wk before
28 Apr
11 Jun
1 wk before
Iceland poppy
Papaver nudicaule
7 – 21 Feb
30 May
6-8 wk
4 Apr
11 Jul
4 wk before
21 Apr
1 Jul
2 wk before
Bishop's flower
Ammi majus
7 – 21 Apr
13 Jun
4-6 wk
19 May
11 Jul
2 wk after
17 May
1 Jul
2 wk after
Drumsticks
Pycnosorus globosus
Fleece
6 – 20 Apr
8 Apr
10-12 wk
29 Jun
8 wk after
Sunflower
Helianthus annuus
1 – 8 Jun
20 Jun
3-4 wk
29 Jun
11 Jul
8 wk after
30 May
1 Jul
4 wk after
China aster
Callistephus chinensis
4 – 18 May
9 Jun
6-8 wk
29 Jun
21 Jul
8 wk after
14 Jun
11 Jul
6 wk after
Annual phlox
Phlox drummondii
19 Apr – 3 May
25 May
6-8 wk
14 Jun
6 Jul
6 wk after
14 Jun
26 Jun
6 wk after
Hollyhock
Alcea rosea
17 Feb – 3 Mar
6-8 wk
14 Apr
3 wk before
17 May
2 wk after
Alpine delphinium
Delphinium elatum
1 – 29 Mar
26 Apr
8-12 wk
24 May
21 Jun
3 wk after
30 May
11 Jun
4 wk after
African marigold
Tagetes erecta
4 – 18 May
25 May
6-8 wk
29 Jun
6 Jul
8 wk after
Black-eyed Susan
Rudbeckia hirta
10 – 24 Apr
30 May
6-8 wk
5 Jun
11 Jul
5 wk after
14 Jun
1 Jul
6 wk after
Wood sage
Salvia nemorosa
4 – 18 Mar
16 Apr
8-10 wk
13 May
11 Jun
1 wk after
30 May
1 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
1 – 29 May
6 May
6-10 wk
10 Jul
10 wk after
California goldenpoppy
Eschscholzia californica
28 Apr
11 Jul
1 wk before
Painted tongue
Salpiglossis sinuata
20 Apr – 4 May
16 May
8-10 wk
29 Jun
11 Jul
8 wk after
Water forget-me-not
Myosotis scorpioides
17 Feb – 3 Mar
10 May
6-8 wk
14 Apr
21 Jun
3 wk before
17 May
11 Jun
2 wk after