Growli

Pest identification

What's eating my acer palmatum 'butterfly'?

Aphids

Signs: Colonies on young shoots and cream-edged leaves; sticky honeydew mars the ornamental variegation; sooty mould follows

Control: Treat immediately with insecticidal soap or neem oil; encourage aphid predators; avoid excessive nitrogen fertiliser

Scale insects

Signs: Waxy oval scales cluster on stems; persistent infestation reduces vigour and causes die-back

Control: Scrape off scales; apply winter wash or horticultural oil; systemic insecticide for heavy infestations

Vine weevil (Otiorhynchus sulcatus)

Signs: Root destruction in containers causing sudden wilting; characteristic notching of leaf margins by adults

Control: Apply nematodes in late summer; incorporate vine weevil controls when repotting; check root ball annually

Keep acer palmatum 'butterfly' pest-free

Healthy plants resist pests best. Get the basics right:

Acer palmatum 'Butterfly' pests — FAQ

What is eating my acer palmatum 'butterfly'?

Acer palmatum 'Butterfly' attracts aphids to its variegated shoot tips in spring and is susceptible to scale insects on stems. Vine weevil is a significant risk in pots. The delicate cream-and-green variegation shows honeydew damage especially clearly. Aphids are the most commonly reported pest and should be treated at first sight.

How do I get rid of aphids on acer palmatum 'butterfly'?

Colonies on young shoots and cream-edged leaves; sticky honeydew mars the ornamental variegation; sooty mould follows Treat immediately with insecticidal soap or neem oil; encourage aphid predators; avoid excessive nitrogen fertiliser

How do I get rid of scale insects on acer palmatum 'butterfly'?

Waxy oval scales cluster on stems; persistent infestation reduces vigour and causes die-back Scrape off scales; apply winter wash or horticultural oil; systemic insecticide for heavy infestations

How do I get rid of vine weevil (otiorhynchus sulcatus) on acer palmatum 'butterfly'?

Root destruction in containers causing sudden wilting; characteristic notching of leaf margins by adults Apply nematodes in late summer; incorporate vine weevil controls when repotting; check root ball annually