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Phacelia tanacetifolia, Lacy Phacelia, Organic

Wildlife, Set-aside, Cover Crop or Green Manure

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Phacelia tanacetifolia, Lacy Phacelia, Organic

Wildlife, Set-aside, Cover Crop or Green Manure

Availability: Out of stock

Packet Size:5 grams
Average Seed Count:2,500 Seeds


Green Manure Info

Phacelia is a very attractive plant and one with a variety of uses.
It is listed as one of the top 20 honey-producing flowers for honeybees. Very rich in both nectar and pollen the lavender-coloured flowers attract bees, butterflies and other pollinating insects like a magnet. This erect annual with finely cut leaves and very dense, curved spikes of beautiful, soft lavender, bell-shaped flowers makes an excellent cut flower and has a long vase-life and strong stems.

Although not a true native of Europe, it has become widely naturalised on European roadsides. It is ideal for a wildlife-friendly planting schemes and is often found in wildflower seed mixes and is used as a biological control, planted along field margins to attract insects such as hoverflies which then control pests affecting crops. It is often used on set-aside land to improve bee forage in the summer and autumn.

Where areas aren’t required for crops or bedding for a couple of months, put the area to good use by sowing Phacelia as a green manure. Sown onto beds and borders it forms a green carpet that can be dug directly into the soil, improving its organic content. Green manures can also help break up heavy clay soil as their roots grow.
Phacelia is ideal for sowing from March right through until September. It germinates at low temperatures, is tolerant of cold temperatures and is suited to most soils. The fast growing foliage will help suppress weeds, producing lots of organic matter while making an attractive groundcover. This hardy annual, fits anywhere in rotation.
French gardeners are firm believers in the power of cover crops. Even in public spaces such as Paris' Jardin des Bagatelles in the Bois de Boulogne, Phacelia is regularly sown in the autumn as a winter cover crop. If left to flower it is beneficial for bees and insects and is quite simply… a beautiful flower.

  • Organic Seed.
    This seed has been organically produced. The seed has been harvested from plants that have themselves been grown to recognised organic standards, without the use of chemicals. No treatments have been used, either before or after harvest and the seed is supplied in its natural state. It has been certified and is labelled with the Organic symbol.

Sowing: Sow in March through to late September
Remove weeds especially perennials and rake the surface of the soil
Scatter the seed thinly at a rate of 1gm per sq m. (5gm covers 5 square metres ) Cover to a depth of about 1cm (½in) and lightly water in. Dependent on temperature and time of year, Phacelia flowers from 6 to 8 weeks from sowing for around a period of 6 to 8 weeks.

Easy to grow, if you do not want the plants to set seed, remove the spent flowers as they fade. Phacelia does self-seed very easily so if it is used as a green manure dig in before flowering or cut down and compost the foliage.
Small patches can be left to flower, especially near to vegetables to attract pollinating insects to the area. But don’t have too many as the insects will feed on the Phacelia rather than pollinating the vegetables.
It reaches a height of a foot or more, the ferny leaves may turn red in hot weather

Although not toxic, contact with some species of Phacelia in some sensitive individuals can cause an unpleasant rash. Wear gloves when harvesting.

Plant Uses:
Green Manure, Bee Plant, Butterfly Garden, Wildflower Gardens or Wildlife Gardens, Cottage/Informal Garden, Flower Arranging

Phacelia is a native to North America and Andean South America, with most species originating in California. It is the largest genus of the Hydrophyllaceae family.
Phacelia tanacetifolia, like most of the other 150 or so species, is an annual. It has become widely naturalised on European roadsides and is often found in wildflower seed mixes.

The genus name Phacelia has its root in the Greek 'phakelos' (or phacelos), meaning fascicle. In Botany this term means 'a bundle or cluster of branches or leaves', and refers to the way the flowers of this genus cluster on their stems.
The species name tanacetifolia means 'with leaves like Tansy', the common name of Lacy Phacelia also refers to the leaves.

Additional Information

Additional Information

Packet Size 5 grams
Average Seed Count 2,500 Seeds
Seed Form Natural
Seeds per gram 525 seeds per gram
Family Hydrophyllaceae
Genus Phacelia
Species tanacetifolia
Common Name Wildlife, Set-aside, Cover Crop or Green Manure
Other Common Names Fiddle Neck, Tansy-leaf Phacelia, Scorpion Flower, Purple Tansy
Hardiness Hardy Annual
Flowers Lavender-Mauve-Blue, June to September
Foliage Finely cut, fern-like leaves
Height 60-90cm (24-36in)
Position Full sun preferred
Soil Most soil types, particularly dry soil
Growing Period 1 to 2 months in summer, 2 to 3 months in winter
Coverage 1kg per acre - 25gm covers 25 square metres
Notes Fast growing, weed suppressor. Bee plant.

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