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-1.5°
Slight frost tonight at 04:00. Frost temperatures between tomorrow 00:00 – 06:00. Bring in or cover sensitive plants
-0.1°
Last 24h: Slight frost recorded this morning at 06:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 5 May Normal year · 20 years of data
Frost-free season 165 days 5 May – 17 Oct

Vegetables

Plant Sow indoors Transplant Direct sow
Date Growing timeGrow. time Date Rel. frost Date Rel. frost
Cauliflower
Brassica oleracea (Botrytis-gruppen)
Fleece
6 – 20 Apr
5-7 wk
25 May
3 wk after
15 Apr
3 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
13 – 27 Apr
4-6 wk
25 May
3 wk after
29 Apr
1 wk before
Chili pepper
Capsicum annuum
Greenhouse
23 Mar – 20 Apr
8-12 wk
15 Jun
6 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
15 Feb – 1 Mar
5-7 wk
5 Apr
4 wk before
22 Apr
2 wk before
Cucumber
Cucumis sativus
Greenhouse
18 – 25 May
3-4 wk
15 Jun
6 wk after
Florence Fennel
Foeniculum vulgare
Greenhouse
11 – 18 May
4-5 wk
15 Jun
6 wk after
18 May
2 wk after
Butter bean
Phaseolus lunatus
Greenhouse
18 – 25 May
3-4 wk
15 Jun
6 wk after
Onion
Allium cepa (Cepa-gruppen)
10 Feb – 10 Mar
8-12 wk
5 May
Vid frost
18 May
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
18 May
2 wk after
18 May
2 wk after
Sweetcorn
Zea mays
Fleece
23 – 30 May
3-4 wk
20 Jun
7 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
9 – 16 May
3-4 wk
6 Jun
5 wk after
18 May
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
22 Apr
2 wk before
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
15 Feb – 1 Mar
5-7 wk
5 Apr
4 wk before
22 Apr
2 wk before
Potato
Solanum tuberosum
29 Mar – 12 Apr
4-6 wk
10 May
1 wk after
10 May
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
15 Feb – 1 Mar
5-7 wk
5 Apr
4 wk before
29 Apr
1 wk before
Pumpkin
Cucurbita pepo
Greenhouse
18 – 25 May
3-4 wk
15 Jun
6 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
9 – 16 May
3-4 wk
6 Jun
5 wk after
18 May
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
13 – 27 Apr
4-6 wk
25 May
3 wk after
Lettuce
Lactuca sativa
29 Mar – 5 Apr
3-4 wk
26 Apr
1 wk before
29 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)
25 Mar – 8 Apr
2-4 wk
22 Apr
2 wk before
22 Apr
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
29 Apr
1 wk before
29 Apr
1 wk before
Spinach
Spinacia oleracea
18 – 25 Mar
3-4 wk
15 Apr
3 wk before
15 Apr
3 wk before
Sweet potato
Ipomoea batatas
6 – 20 Jun
4-6 wk
18 Jul
11 wk after
Tomato
Solanum lycopersicum
Fleece
20 Apr – 4 May
6-8 wk
15 Jun
6 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
Fleece
18 May – 1 Jun
2-4 wk
15 Jun
6 wk after
31 May
4 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
13 – 27 Apr
4-6 wk
25 May
3 wk after
Pea
Pisum sativum
18 – 25 Mar
3-4 wk
15 Apr
3 wk before
29 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
9 – 23 May
4-6 wk
20 Jun
7 wk after
Lemon balm
Melissa officinalis
24 Feb – 10 Mar
8-10 wk
5 May
Vid frost
31 May
4 wk after
Dill
Anethum graveolens
29 Apr
1 wk before
Chives
Allium schoenoprasum
8 – 22 Feb
6-8 wk
5 Apr
4 wk before
29 Apr
1 wk before
Spearmint
Mentha spicata
21 Jan – 18 Feb
8-12 wk
15 Apr
3 wk before
31 May
4 wk after
Coriander
Coriandrum sativum
18 May
2 wk after
Sage
Salvia officinalis
28 Mar – 11 Apr
8-10 wk
6 Jun
5 wk after
Thyme
Thymus vulgaris
16 – 30 Mar
8-10 wk
25 May
3 wk after
Oregano
Origanum vulgare
19 Mar – 2 Apr
6-8 wk
14 May
1 wk after
31 May
4 wk after
Parsley
Petroselinum crispum
18 Feb – 4 Mar
6-8 wk
15 Apr
3 wk before
29 Apr
1 wk before
Rosemary
Salvia rosmarinus
28 Feb – 28 Mar
10-14 wk
6 Jun
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
2 – 9 Jun
3-4 wk
30 Jun
8 wk after
Cornflower
Centaurea cyanus
15 Apr
3 wk before
29 Apr
1 wk before
Statice
Limonium sinuatum
Fleece
6 – 20 Apr
8-10 wk
15 Jun
6 wk after
Sweet William
Dianthus barbatus
18 Feb – 4 Mar
6-8 wk
15 Apr
3 wk before
10 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Fleece
20 Apr – 4 May
6-8 wk
15 Jun
6 wk after
20 Jun
7 wk after
Dahlia
Dahlia × pinnata
Fleece
11 – 25 Apr
6-8 wk
6 Jun
5 wk after
Dahlia (tubers)
Dahlia × pinnata
5 Apr – 3 May
4-8 wk
31 May
4 wk after
31 May
4 wk after
Foxglove
Digitalis purpurea
4 – 18 Feb
8-10 wk
15 Apr
3 wk before
18 May
2 wk after
Busy lizzie
Impatiens walleriana
Fleece
7 Apr – 5 May
8-12 wk
30 Jun
8 wk after
Creeping zinnia
Sanvitalia procumbens
Fleece
20 Apr – 4 May
6-8 wk
15 Jun
6 wk after
Hyacinth bean
Dolichos lablab
Season too short
19 May – 2 Jun
4-6 wk
30 Jun
8 wk after
Chinese lantern
Physalis alkekengi
28 Mar – 11 Apr
8-10 wk
6 Jun
5 wk after
Love in a mist
Nigella damascena
29 Apr
1 wk before
Strawflower
Xerochrysum bracteatum
Fleece
20 Apr – 4 May
6-8 wk
15 Jun
6 wk after
20 Jun
7 wk after
Tall verbena
Verbena bonariensis
14 Mar – 11 Apr
8-12 wk
6 Jun
5 wk after
Cardoon
Cynara cardunculus
Season too short
8 Mar – 5 Apr
8-12 wk
31 May
4 wk after
Regal-foxtail
Ptilotus nobilis
Greenhouse
23 Mar – 20 Apr
8-12 wk
15 Jun
6 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
20 Apr – 4 May
6-8 wk
15 Jun
6 wk after
Corn poppy
Papaver rhoeas
29 Apr
1 wk before
Snapdragon
Antirrhinum majus
1 Feb – 1 Mar
8-12 wk
26 Apr
1 wk before
10 May
1 wk after
Flossflower
Ageratum houstonianum
Greenhouse
6 – 20 Apr
8-10 wk
15 Jun
6 wk after
Sweet pea
Lathyrus odoratus
18 Feb – 11 Mar
5-8 wk
15 Apr
3 wk before
Stock
Matthiola incana
1 – 15 Mar
6-8 wk
26 Apr
1 wk before
18 May
2 wk after
Wormwood
Artemisia absinthium
18 Feb – 4 Mar
6-8 wk
15 Apr
3 wk before
18 May
2 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
4 – 18 May
4-6 wk
15 Jun
6 wk after
Pansy
Viola × wittrockiana
25 Jan – 8 Feb
8-10 wk
5 Apr
4 wk before
10 May
1 wk after
Petunia
Petunia
Fleece
23 Mar – 20 Apr
8-12 wk
15 Jun
6 wk after
Scabious
Scabiosa atropurpurea
11 – 25 Apr
6-8 wk
6 Jun
5 wk after
15 Jun
6 wk after
Zinnia
Zinnia elegans
Fleece
4 – 18 May
4-6 wk
15 Jun
6 wk after
Common morning glory
Ipomoea purpurea
Greenhouse
11 – 25 May
3-5 wk
15 Jun
6 wk after
Cosmos
Cosmos bipinnatus
Fleece
4 – 18 May
4-6 wk
15 Jun
6 wk after
31 May
4 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
7 Apr – 5 May
8-12 wk
30 Jun
8 wk after
Bee balm
Monarda didyma
10 Feb – 10 Mar
8-12 wk
5 May
Vid frost
31 May
4 wk after
Yarrow
Achillea millefolium
18 Feb – 4 Mar
6-8 wk
15 Apr
3 wk before
18 May
2 wk after
Safflower
Carthamus tinctorius
15 Apr
3 wk before
29 Apr
1 wk before
Iceland poppy
Papaver nudicaule
8 – 22 Feb
6-8 wk
5 Apr
4 wk before
22 Apr
2 wk before
Bishop's flower
Ammi majus
8 – 22 Apr
4-6 wk
20 May
2 wk after
18 May
2 wk after
Drumsticks
Pycnosorus globosus
Season too short
23 Mar – 6 Apr
10-12 wk
15 Jun
6 wk after
Sunflower
Helianthus annuus
Fleece
18 – 25 May
3-4 wk
15 Jun
6 wk after
18 May
2 wk after
China aster
Callistephus chinensis
Greenhouse
5 – 19 Apr
6-8 wk
31 May
4 wk after
18 May
2 wk after
Annual phlox
Phlox drummondii
20 Apr – 4 May
6-8 wk
15 Jun
6 wk after
15 Jun
6 wk after
Hollyhock
Alcea rosea
18 Feb – 4 Mar
6-8 wk
15 Apr
3 wk before
18 May
2 wk after
Delphinium
Delphinium elatum
2 – 30 Mar
8-12 wk
25 May
3 wk after
31 May
4 wk after
African marigold
Tagetes erecta
Fleece
20 Apr – 4 May
6-8 wk
15 Jun
6 wk after
Black-eyed Susan
Rudbeckia hirta
11 – 25 Apr
6-8 wk
6 Jun
5 wk after
15 Jun
6 wk after
Woodland sage
Salvia nemorosa
5 – 19 Mar
8-10 wk
14 May
1 wk after
31 May
4 wk after
Black-eyed susan vine
Thunbergia alata
Greenhouse
6 Apr – 4 May
6-10 wk
15 Jun
6 wk after
California goldenpoppy
Eschscholzia californica
29 Apr
1 wk before
Painted tongue
Salpiglossis sinuata
Fleece
6 – 20 Apr
8-10 wk
15 Jun
6 wk after
Water forget-me-not
Myosotis scorpioides
18 Feb – 4 Mar
6-8 wk
15 Apr
3 wk before
18 May
2 wk after
Current date Soon Date passed