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Last 24h: Near frost recorded tonight at 05:00. Inspect for frost damage
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Rel. frost
Last spring frost (0°C) 3 May Frost 9 of 10 years · 20 years of data
Frost-free season 147 days 3 May – 27 Sep
Probability that frost is over

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