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0.9°
Near frost tonight at 05:00. Bring in or cover sensitive plants
Method
Rel. frost
Last spring frost (0°C) 6 May Frost 9 of 10 years · 20 years of data
Frost-free season 125 days 6 May – 8 Sep
Probability that frost is over

10% = Half of years are frost-free by this date. More about frost & season →

Custom date
Note: This location has a shorter growing season. Plants marked with Fleece, Greenhouse or Season too short need extra protection or are difficult to grow here.

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