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No frost in sight Last frost normally in 3 days (4 May), but frost-free in the forecast.
Method
Rel. frost
Last spring frost (0°C) 4 May Frost 1 of 4 years · 20 years of data
Frost-free season 167 days 4 May – 18 Oct
Probability that frost is over

75% = Half of years are frost-free by this date. More about frost & season →

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Vegetables

Plant Sow indoors Transplant Direct sow
Date Growing timeGrow. time Date Rel. frost Date Rel. frost
Cauliflower
Brassica oleracea (Botrytis-gruppen)
Fleece
30 Mar – 13 Apr
5-7 wk
18 May
2 wk after
16 Apr
3 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
6 – 20 Apr
4-6 wk
18 May
2 wk after
27 Apr
1 wk before
Chili pepper
Capsicum annuum
Greenhouse
16 Mar – 13 Apr
8-12 wk
8 Jun
5 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
19 Feb – 5 Mar
5-7 wk
9 Apr
4 wk before
22 Apr
2 wk before
Cucumber
Cucumis sativus
Fleece
23 – 30 May
3-4 wk
20 Jun
7 wk after
Florence Fennel
Foeniculum vulgare
Greenhouse
4 – 11 May
4-5 wk
8 Jun
5 wk after
14 May
1 wk after
Butter bean
Phaseolus lunatus
Greenhouse
12 – 19 May
3-4 wk
9 Jun
5 wk after
Onion
Allium cepa (Cepa-gruppen)
9 Feb – 9 Mar
8-12 wk
4 May
Vid frost
14 May
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
14 May
1 wk after
14 May
1 wk after
Sweetcorn
Zea mays
Fleece
22 – 29 May
3-4 wk
19 Jun
7 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
5 – 12 May
3-4 wk
2 Jun
4 wk after
14 May
1 wk after
Carrot
Daucus carota subsp. sativus var. sativus
22 Apr
2 wk before
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
19 Feb – 5 Mar
5-7 wk
9 Apr
4 wk before
22 Apr
2 wk before
Potato
Solanum tuberosum
28 Mar – 11 Apr
4-6 wk
9 May
1 wk after
9 May
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
19 Feb – 5 Mar
5-7 wk
9 Apr
4 wk before
27 Apr
1 wk before
Pumpkin
Cucurbita pepo
31 May – 7 Jun
3-4 wk
28 Jun
8 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
5 – 12 May
3-4 wk
2 Jun
4 wk after
14 May
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
6 – 20 Apr
4-6 wk
18 May
2 wk after
Lettuce
Lactuca sativa
30 Mar – 6 Apr
3-4 wk
27 Apr
1 wk before
27 Apr
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
16 – 30 Mar
4-6 wk
27 Apr
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
25 Mar – 8 Apr
2-4 wk
22 Apr
2 wk before
22 Apr
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
27 Apr
1 wk before
27 Apr
1 wk before
Spinach
Spinacia oleracea
22 – 29 Mar
3-4 wk
19 Apr
2 wk before
16 Apr
3 wk before
Sweet potato
Ipomoea batatas
31 May – 14 Jun
4-6 wk
12 Jul
10 wk after
Tomato
Solanum lycopersicum
Fleece
13 – 27 Apr
6-8 wk
8 Jun
5 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
23 May – 6 Jun
2-4 wk
20 Jun
7 wk after
9 Jun
5 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
6 – 20 Apr
4-6 wk
18 May
2 wk after
Pea
Pisum sativum
22 – 29 Mar
3-4 wk
19 Apr
2 wk before
27 Apr
1 wk before
Current date Soon Date passed

Herbs

Plant Sow indoors Transplant Direct sow
Date Growing timeGrow. time Date Rel. frost Date Rel. frost
Basil
Ocimum basilicum
Fleece
8 – 22 May
4-6 wk
19 Jun
7 wk after
Lemon balm
Melissa officinalis
23 Feb – 9 Mar
8-10 wk
4 May
Vid frost
25 May
3 wk after
Dill
Anethum graveolens
27 Apr
1 wk before
Chives
Allium schoenoprasum
12 – 26 Feb
6-8 wk
9 Apr
4 wk before
27 Apr
1 wk before
Spearmint
Mentha spicata
25 Jan – 22 Feb
8-12 wk
19 Apr
2 wk before
25 May
3 wk after
Coriander
Coriandrum sativum
14 May
1 wk after
Sage
Salvia officinalis
24 Mar – 7 Apr
8-10 wk
2 Jun
4 wk after
Thyme
Thymus vulgaris
9 – 23 Mar
8-10 wk
18 May
2 wk after
Oregano
Origanum vulgare
15 – 29 Mar
6-8 wk
10 May
1 wk after
25 May
3 wk after
Parsley
Petroselinum crispum
22 Feb – 8 Mar
6-8 wk
19 Apr
2 wk before
27 Apr
1 wk before
Rosemary
Salvia rosmarinus
24 Feb – 24 Mar
10-14 wk
2 Jun
4 wk after
Current date Soon Date passed

Annual flowers

Plant Sow indoors Transplant Direct sow
Date Growing timeGrow. time Date Rel. frost Date Rel. frost
Morning glory
Ipomoea tricolor
Season too short
23 – 30 May
3-4 wk
20 Jun
7 wk after
Cornflower
Centaurea cyanus
19 Apr
2 wk before
27 Apr
1 wk before
Statice
Limonium sinuatum
Fleece
30 Mar – 13 Apr
8-10 wk
8 Jun
5 wk after
Sweet William
Dianthus barbatus
22 Feb – 8 Mar
6-8 wk
19 Apr
2 wk before
9 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Fleece
13 – 27 Apr
6-8 wk
8 Jun
5 wk after
19 Jun
7 wk after
Dahlia
Dahlia × pinnata
19 Apr – 3 May
6-8 wk
14 Jun
6 wk after
Dahlia (tubers)
Dahlia × pinnata
30 Mar – 27 Apr
4-8 wk
25 May
3 wk after
25 May
3 wk after
Foxglove
Digitalis purpurea
8 – 22 Feb
8-10 wk
19 Apr
2 wk before
14 May
1 wk after
Busy lizzie
Impatiens walleriana
5 Apr – 3 May
8-12 wk
28 Jun
8 wk after
Creeping zinnia
Sanvitalia procumbens
25 Apr – 9 May
6-8 wk
20 Jun
7 wk after
Hyacinth bean
Dolichos lablab
Season too short
9 – 23 May
4-6 wk
20 Jun
7 wk after
Chinese lantern
Physalis alkekengi
24 Mar – 7 Apr
8-10 wk
2 Jun
4 wk after
Love in a mist
Nigella damascena
27 Apr
1 wk before
Strawflower
Xerochrysum bracteatum
Fleece
13 – 27 Apr
6-8 wk
8 Jun
5 wk after
19 Jun
7 wk after
Tall verbena
Verbena bonariensis
10 Mar – 7 Apr
8-12 wk
2 Jun
4 wk after
Cardoon
Cynara cardunculus
Season too short
3 – 31 Mar
8-12 wk
26 May
3 wk after
Regal-foxtail
Ptilotus nobilis
Greenhouse
16 Mar – 13 Apr
8-12 wk
8 Jun
5 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
13 – 27 Apr
6-8 wk
8 Jun
5 wk after
Corn poppy
Papaver rhoeas
27 Apr
1 wk before
Snapdragon
Antirrhinum majus
2 Feb – 2 Mar
8-12 wk
27 Apr
1 wk before
9 May
1 wk after
Flossflower
Ageratum houstonianum
Greenhouse
30 Mar – 13 Apr
8-10 wk
8 Jun
5 wk after
Sweet pea
Lathyrus odoratus
22 Feb – 15 Mar
5-8 wk
19 Apr
2 wk before
Stock
Matthiola incana
2 – 16 Mar
6-8 wk
27 Apr
1 wk before
14 May
1 wk after
Wormwood
Artemisia absinthium
22 Feb – 8 Mar
6-8 wk
19 Apr
2 wk before
14 May
1 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
27 Apr – 11 May
4-6 wk
8 Jun
5 wk after
Pansy
Viola × wittrockiana
29 Jan – 12 Feb
8-10 wk
9 Apr
4 wk before
9 May
1 wk after
Petunia
Petunia
Fleece
16 Mar – 13 Apr
8-12 wk
8 Jun
5 wk after
Scabious
Scabiosa atropurpurea
7 – 21 Apr
6-8 wk
2 Jun
4 wk after
9 Jun
5 wk after
Zinnia
Zinnia elegans
Fleece
27 Apr – 11 May
4-6 wk
8 Jun
5 wk after
Common morning glory
Ipomoea purpurea
Fleece
16 – 30 May
3-5 wk
20 Jun
7 wk after
Cosmos
Cosmos bipinnatus
Fleece
27 Apr – 11 May
4-6 wk
8 Jun
5 wk after
25 May
3 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
28 Mar – 25 Apr
8-12 wk
20 Jun
7 wk after
Bee balm
Monarda didyma
9 Feb – 9 Mar
8-12 wk
4 May
Vid frost
25 May
3 wk after
Yarrow
Achillea millefolium
22 Feb – 8 Mar
6-8 wk
19 Apr
2 wk before
14 May
1 wk after
Safflower
Carthamus tinctorius
19 Apr
2 wk before
27 Apr
1 wk before
Iceland poppy
Papaver nudicaule
12 – 26 Feb
6-8 wk
9 Apr
4 wk before
22 Apr
2 wk before
Bishop's flower
Ammi majus
2 – 16 Apr
4-6 wk
14 May
1 wk after
14 May
1 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
16 – 30 Mar
10-12 wk
8 Jun
5 wk after
Sunflower
Helianthus annuus
Fleece
11 – 18 May
3-4 wk
8 Jun
5 wk after
14 May
1 wk after
China aster
Callistephus chinensis
Fleece
13 – 27 Apr
6-8 wk
8 Jun
5 wk after
25 May
3 wk after
Annual phlox
Phlox drummondii
13 – 27 Apr
6-8 wk
8 Jun
5 wk after
9 Jun
5 wk after
Hollyhock
Alcea rosea
22 Feb – 8 Mar
6-8 wk
19 Apr
2 wk before
14 May
1 wk after
Delphinium
Delphinium elatum
23 Feb – 23 Mar
8-12 wk
18 May
2 wk after
25 May
3 wk after
African marigold
Tagetes erecta
Fleece
13 – 27 Apr
6-8 wk
8 Jun
5 wk after
Black-eyed Susan
Rudbeckia hirta
7 – 21 Apr
6-8 wk
2 Jun
4 wk after
9 Jun
5 wk after
Woodland sage
Salvia nemorosa
1 – 15 Mar
8-10 wk
10 May
1 wk after
25 May
3 wk after
Black-eyed susan vine
Thunbergia alata
Greenhouse
30 Mar – 27 Apr
6-10 wk
8 Jun
5 wk after
California goldenpoppy
Eschscholzia californica
27 Apr
1 wk before
Painted tongue
Salpiglossis sinuata
Fleece
30 Mar – 13 Apr
8-10 wk
8 Jun
5 wk after
Water forget-me-not
Myosotis scorpioides
22 Feb – 8 Mar
6-8 wk
19 Apr
2 wk before
14 May
1 wk after
Current date Soon Date passed