Troubleshooting
Heuchera 'Dolce Blackcurrant' problems — and how to fix them
Heuchera 'Dolce Blackcurrant' (Heuchera 'Dolce Blackcurrant') is generally forgiving once you match its basics, but a few issues come up again and again. Here is what each one looks like, why it happens, and the fix.
Crown rot
The dense, mounding habit can trap moisture; plant with the crown exposed and ensure perfect drainage.
Vine weevil
A common problem for pot-grown Dolce Heucheras; apply nematode controls in late summer as standard practice.
Colour fade to bronze-green
Deep colour fades in excessive light or heat; relocate to deeper shade and reassess soil fertility.
Botrytis (grey mould)
Can affect lower foliage in damp, airless conditions; remove affected leaves and improve spacing.
Frost damage
Semi-evergreen foliage may be damaged by hard frost; old leaves can be tidied in spring when new growth appears.
Prevent heuchera 'dolce blackcurrant' problems before they start
Most heuchera 'dolce blackcurrant' issues are care-mismatch, not bad luck. Dial in the basics:
Heuchera 'Dolce Blackcurrant' problems — FAQ
Why is my heuchera 'dolce blackcurrant' crown rot?
The dense, mounding habit can trap moisture; plant with the crown exposed and ensure perfect drainage.
Why is my heuchera 'dolce blackcurrant' vine weevil?
A common problem for pot-grown Dolce Heucheras; apply nematode controls in late summer as standard practice.
Why is my heuchera 'dolce blackcurrant' colour fade to bronze-green?
Deep colour fades in excessive light or heat; relocate to deeper shade and reassess soil fertility.
Why is my heuchera 'dolce blackcurrant' botrytis (grey mould)?
Can affect lower foliage in damp, airless conditions; remove affected leaves and improve spacing.
Why is my heuchera 'dolce blackcurrant' frost damage?
Semi-evergreen foliage may be damaged by hard frost; old leaves can be tidied in spring when new growth appears.