Ageratum houstonianum or ‘Floss Flowers’ produce fuzzy heads of bloom of soft blue-mauve with attractive dark-green, heart-shaped foliage.

Lots-a-Colour Varieties

Ageratum houstonianum

Neptune Blue F1

Early blooming with large florets, uniform and free flowering.  Is low growing so great as a border or bedding plant. When old blooms are spent, new flowers bloom right over the top, maintaining a colourful show throughout the season.

Height

15-20cm

Climate

Suitable for all except very cold climates.

Planting & Cultivation Tips

Plant 15 to 20 cm apart in filtered shade to full sun for best results.

Adapts well to many soil types but responds well to the addition of compost. 

Is fairly drought-resistant but needs regular watering in hot, dry weather.

Feed with soluble plant food regularly to promote flowering.  Remove spent flowers and protect from snails and caterpillars.

Peak Flowering Time

Spring, Summer and Autumn.

Uses

Make splendid border plants and excellent garden displays. Have a very long flowering season of about three months so is a useful addition to the flower garden, providing long lasting colour.

Colour Combinations

The soft blue of Ageratum combines well with, dwarf marigolds, dwarf phlox or with various colours of petunias.