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0.2°
Near frost tomorrow morning at 07:00. Bring in or cover sensitive plants
Method
Rel. frost
Last spring frost (0°C) 1 May Normal year · 20 years of data
Frost-free season 176 days 1 May – 24 Oct

Vegetables

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