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-3.7°
Moderate frost tomorrow morning at 06:00. Frost temperatures between tomorrow 01:00 – 09:00. Bring in or cover sensitive plants
0.4°
Last 24h: Near frost recorded this morning at 07:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 9 May Normal year · 20 years of data
Frost-free season 145 days 9 May – 1 Oct

Vegetables

Plant Sow indoors Transplant Direct sow
Date Growing timeGrow. time Date Rel. frost Date Rel. frost
Cauliflower
Brassica oleracea (Botrytis-gruppen)
Greenhouse
26 Mar – 9 Apr
5-7 wk
14 May
1 wk after
27 Apr
2 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
14 – 28 Apr
4-6 wk
26 May
3 wk after
5 May
1 wk after
Chili pepper
Capsicum annuum
Season too short
23 Mar – 20 Apr
8-12 wk
15 Jun
5 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
25 Feb – 11 Mar
5-7 wk
15 Apr
3 wk before
1 May
Vid frost
Cucumber
Cucumis sativus
Greenhouse
18 – 25 May
3-4 wk
15 Jun
5 wk after
Florence Fennel
Foeniculum vulgare
Season too short
11 – 18 May
4-5 wk
15 Jun
5 wk after
30 May
3 wk after
Butter bean
Phaseolus lunatus
Season too short
30 May – 6 Jun
3-4 wk
27 Jun
7 wk after
Onion
Allium cepa (Cepa-gruppen)
14 Feb – 14 Mar
8-12 wk
9 May
Vid frost
22 May
3 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
22 May
3 wk after
Sweetcorn
Zea mays
Greenhouse
22 – 29 May
3-4 wk
19 Jun
6 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
11 – 18 May
3-4 wk
8 Jun
5 wk after
22 May
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
1 May
Vid frost
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
25 Feb – 11 Mar
5-7 wk
15 Apr
3 wk before
1 May
Vid frost
Potato
Solanum tuberosum
15 – 29 May
4-6 wk
26 Jun
7 wk after
17 May
2 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
25 Feb – 11 Mar
5-7 wk
15 Apr
3 wk before
5 May
1 wk after
Pumpkin
Cucurbita pepo
Greenhouse
18 – 25 May
3-4 wk
15 Jun
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
11 – 18 May
3-4 wk
8 Jun
5 wk after
22 May
3 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
14 – 28 Apr
4-6 wk
26 May
3 wk after
Lettuce
Lactuca sativa
4 – 11 Apr
3-4 wk
2 May
1 wk before
5 May
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
21 Mar – 4 Apr
4-6 wk
2 May
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
27 Mar – 10 Apr
2-4 wk
24 Apr
2 wk before
1 May
Vid frost
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
5 May
1 wk after
Spinach
Spinacia oleracea
27 Mar – 3 Apr
3-4 wk
24 Apr
2 wk before
26 Apr
1 wk before
Sweet potato
Ipomoea batatas
27 May – 10 Jun
4-6 wk
8 Jul
8 wk after
Tomato
Solanum lycopersicum
Greenhouse
8 – 22 Apr
6-8 wk
3 Jun
4 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
Greenhouse
6 – 20 May
2-4 wk
3 Jun
4 wk after
30 May
3 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
14 – 28 Apr
4-6 wk
26 May
3 wk after
Pea
Pisum sativum
27 Mar – 3 Apr
3-4 wk
24 Apr
2 wk before
5 May
1 wk after
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
26 May – 9 Jun
4-6 wk
7 Jul
8 wk after
Lemon balm
Melissa officinalis
28 Feb – 14 Mar
8-10 wk
9 May
Vid frost
3 Jun
5 wk after
Dill
Anethum graveolens
5 May
1 wk after
Chives
Allium schoenoprasum
18 Feb – 4 Mar
6-8 wk
15 Apr
3 wk before
5 May
1 wk after
Spearmint
Mentha spicata
30 Jan – 27 Feb
8-12 wk
24 Apr
2 wk before
3 Jun
5 wk after
Coriander
Coriandrum sativum
22 May
3 wk after
Sage
Salvia officinalis
30 Mar – 13 Apr
8-10 wk
8 Jun
5 wk after
Thyme
Thymus vulgaris
17 – 31 Mar
8-10 wk
26 May
3 wk after
Oregano
Origanum vulgare
20 Mar – 3 Apr
6-8 wk
15 May
1 wk after
3 Jun
5 wk after
Parsley
Petroselinum crispum
27 Feb – 13 Mar
6-8 wk
24 Apr
2 wk before
5 May
1 wk after
Rosemary
Salvia rosmarinus
Fleece
19 Feb – 19 Mar
10-14 wk
28 May
3 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
27 May – 3 Jun
3-4 wk
24 Jun
7 wk after
Cornflower
Centaurea cyanus
24 Apr
2 wk before
5 May
1 wk after
Statice
Limonium sinuatum
Greenhouse
25 Mar – 8 Apr
8-10 wk
3 Jun
4 wk after
Sweet William
Dianthus barbatus
27 Feb – 13 Mar
6-8 wk
24 Apr
2 wk before
17 May
2 wk after
Snow-on-the-mountain
Euphorbia marginata
Greenhouse
8 – 22 Apr
6-8 wk
3 Jun
4 wk after
19 Jun
6 wk after
Dahlia
Dahlia × pinnata
Greenhouse
2 – 16 Apr
6-8 wk
28 May
3 wk after
Dahlia (tubers)
Dahlia × pinnata
26 Apr – 24 May
4-8 wk
21 Jun
6 wk after
3 Jun
5 wk after
Foxglove
Digitalis purpurea
13 – 27 Feb
8-10 wk
24 Apr
2 wk before
22 May
3 wk after
Busy lizzie
Impatiens walleriana
Fleece
1 – 29 Apr
8-12 wk
24 Jun
7 wk after
Creeping zinnia
Sanvitalia procumbens
Fleece
20 Apr – 4 May
6-8 wk
15 Jun
5 wk after
Hyacinth bean
Dolichos lablab
Season too short
13 – 27 May
4-6 wk
24 Jun
7 wk after
Chinese lantern
Physalis alkekengi
Fleece
19 Mar – 2 Apr
8-10 wk
28 May
3 wk after
Love in a mist
Nigella damascena
5 May
1 wk after
Strawflower
Xerochrysum bracteatum
Greenhouse
8 – 22 Apr
6-8 wk
3 Jun
4 wk after
19 Jun
6 wk after
Tall verbena
Verbena bonariensis
Fleece
5 Mar – 2 Apr
8-12 wk
28 May
3 wk after
Cardoon
Cynara cardunculus
Season too short
11 Mar – 8 Apr
8-12 wk
3 Jun
4 wk after
Regal-foxtail
Ptilotus nobilis
Season too short
23 Mar – 20 Apr
8-12 wk
15 Jun
5 wk after
Globe amaranth
Gomphrena globosa
Season too short
20 Apr – 4 May
6-8 wk
15 Jun
5 wk after
Corn poppy
Papaver rhoeas
5 May
1 wk after
Snapdragon
Antirrhinum majus
7 Feb – 7 Mar
8-12 wk
2 May
1 wk before
17 May
2 wk after
Flossflower
Ageratum houstonianum
Season too short
6 – 20 Apr
8-10 wk
15 Jun
5 wk after
Sweet pea
Lathyrus odoratus
27 Feb – 20 Mar
5-8 wk
24 Apr
2 wk before
Stock
Matthiola incana
7 – 21 Mar
6-8 wk
2 May
1 wk before
22 May
3 wk after
Wormwood
Artemisia absinthium
27 Feb – 13 Mar
6-8 wk
24 Apr
2 wk before
22 May
3 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
4 – 18 May
4-6 wk
15 Jun
5 wk after
Pansy
Viola × wittrockiana
4 – 18 Feb
8-10 wk
15 Apr
3 wk before
17 May
2 wk after
Petunia
Petunia
Greenhouse
11 Mar – 8 Apr
8-12 wk
3 Jun
4 wk after
Scabious
Scabiosa atropurpurea
Fleece
2 – 16 Apr
6-8 wk
28 May
3 wk after
13 Jun
5 wk after
Zinnia
Zinnia elegans
Greenhouse
22 Apr – 6 May
4-6 wk
3 Jun
4 wk after
Common morning glory
Ipomoea purpurea
Season too short
11 – 25 May
3-5 wk
15 Jun
5 wk after
Cosmos
Cosmos bipinnatus
Greenhouse
22 Apr – 6 May
4-6 wk
3 Jun
4 wk after
30 May
3 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
1 – 29 Apr
8-12 wk
24 Jun
7 wk after
Bee balm
Monarda didyma
14 Feb – 14 Mar
8-12 wk
9 May
Vid frost
3 Jun
5 wk after
Yarrow
Achillea millefolium
27 Feb – 13 Mar
6-8 wk
24 Apr
2 wk before
22 May
3 wk after
Safflower
Carthamus tinctorius
24 Apr
2 wk before
5 May
1 wk after
Iceland poppy
Papaver nudicaule
18 Feb – 4 Mar
6-8 wk
15 Apr
3 wk before
1 May
Vid frost
Bishop's flower
Ammi majus
8 – 22 Apr
4-6 wk
20 May
1 wk after
22 May
3 wk after
Drumsticks
Pycnosorus globosus
Season too short
23 Mar – 6 Apr
10-12 wk
15 Jun
5 wk after
Sunflower
Helianthus annuus
Greenhouse
6 – 13 May
3-4 wk
3 Jun
4 wk after
19 May
1 wk after
China aster
Callistephus chinensis
Season too short
8 – 22 Apr
6-8 wk
3 Jun
4 wk after
30 May
3 wk after
Annual phlox
Phlox drummondii
19 Apr – 3 May
6-8 wk
14 Jun
5 wk after
19 Jun
7 wk after
Hollyhock
Alcea rosea
27 Feb – 13 Mar
6-8 wk
24 Apr
2 wk before
22 May
3 wk after
Delphinium
Delphinium elatum
3 – 31 Mar
8-12 wk
26 May
3 wk after
3 Jun
5 wk after
African marigold
Tagetes erecta
Greenhouse
8 – 22 Apr
6-8 wk
3 Jun
4 wk after
Black-eyed Susan
Rudbeckia hirta
13 – 27 Apr
6-8 wk
8 Jun
5 wk after
19 Jun
7 wk after
Woodland sage
Salvia nemorosa
6 – 20 Mar
8-10 wk
15 May
1 wk after
3 Jun
5 wk after
Black-eyed susan vine
Thunbergia alata
Season too short
6 Apr – 4 May
6-10 wk
15 Jun
5 wk after
California goldenpoppy
Eschscholzia californica
5 May
1 wk after
Painted tongue
Salpiglossis sinuata
Greenhouse
25 Mar – 8 Apr
8-10 wk
3 Jun
4 wk after
Water forget-me-not
Myosotis scorpioides
27 Feb – 13 Mar
6-8 wk
24 Apr
2 wk before
22 May
3 wk after
Current date Soon Date passed