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No frost in sight Last frost normally in 8 days (16 Apr), but frost-free in the forecast.
Method
Rel. frost
Last spring frost (0°C) 16 Apr Normal year · 20 years of data
Frost-free season 198 days 16 Apr – 31 Oct

Vegetables

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