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No frost in sight Last frost normally in 2 days (3 May), but frost-free in the forecast.
Method
Rel. frost
Last spring frost (0°C) 3 May Normal year · 20 years of data
Frost-free season 161 days 3 May – 11 Oct

Vegetables

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