In Fielding Questions, readers also asked about how to divide a hydrangea and whether you can plant anything under evergreens ...
We reveal how you can form your own – plus how to maintain one, whether you buy a pre-trained hydrangea tree or do it yourself ...
Hydrangeas may benefit from low upkeep, they can't just be planted anywhere. Here are six spots you should never plant this ...
Dear Master Gardener: Can a dwarf Korean lilac be purchased in tree form?