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No frost in sight Last frost normally in 3 days (5 May), but frost-free in the forecast.
Method
Rel. frost
Last spring frost (0°C) 5 May Frost 3 of 4 years · 20 years of data
Frost-free season 154 days 5 May – 6 Oct
Probability that frost is over

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