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Fiddleneck

Phacelia tanacetifolia

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Also known as

Phacelia 'Green Manure', Lacy Phacelia, Purple Tansy, Scorpion Weed, Fernleaf Fiddleneck, Facelia, Tansy Phacelia

Full Sun
Easy care
Light watering
Tender

H7-H2

RHS hardiness

-20°C

Minimum temperature

Expected size

Height
Spread

1m

Max

20cm

50cm

Min

50cm

3 months to reach maturity

Flowering

  • spring
  • summer
  • autumn
  • winter

This plant has no fragrance

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Fiddleneck Overview

Phacelia tanacetifolia is a hardy annual from the Boraginaceae family. It is used in many places in agriculture as a cover crop, a bee plant, an attractant for other beneficial insects, and an ornamental plant. Commonly known as a green manure, by the names Purple Tansy, Lacy Phacelia or Fiddleneck. It is planted in vineyards and alongside crop fields, where it is valued for its long, coiling flower clusters of nectar-rich flowers. The blooms open in sequence, giving a long flowering period. It is a good insectary plant, attracting pollinators such as honey bees. Phacelia tanacetifolia is a species in the Boraginaceae (Borage) family known by the common name Fiddleneck.

Common problems with Fiddleneck

Generally problem free.

    How to harvest Fiddleneck

    If using as a green manure, dig into the soil before it flowers or cut down and compost the foliage.

    How to propagate Fiddleneck

    Seed

    Sow outdoors in late autumn or germinate in cool temperatures in darkness for the first 24 hrs.

    Special features of Fiddleneck

    Attracts useful insects

    It attracts bees and hoverflies (family Syrphidae), which are useful as biological pest control agents because they eat aphids and other pests.