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No frost in sight Last frost normally in 9 days (17 Apr), but frost-free in the forecast.
Method
Rel. frost
Last spring frost (0°C) 17 Apr Normal year · 20 years of data
Frost-free season 207 days 17 Apr – 10 Nov

Vegetables

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