Sex and Hollies
For your holly to bear berries, it will need the right mate.
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by Marie Hofer, Gardening editor, HGTV.com
For a holly to bear berries, it has to be a female, and there needs to be a compatible male nearby. How can you tell whether you have either a male or female? You can't, at least not easily, so you have to depend on nursery-grown hollies that have been positively identified.
To be compatible, a male has to, in part, flower at the same time as the female. There's one exception: self-fertile hollies don't require a mate to set fruit, although berry production will be much better when a male is present. Some hollies like the common Burford holly set fruit without pollination.
The following are examples of suitable male-female combinations. The first name listed in each line is a female.
Ilex x meserveae
'China Girl' - 'China Boy'
'Blue Angel' - 'Blue Boy', 'Blue Stallion', 'Blue Prince'
'Red Sprite' - 'Jim Dandy' and 'Raritan Chief'
'Winter Red' - 'Southern Gentleman' and 'Late Red'
'Shaver' - 'Southern Gentleman'
'Afterglow' - 'Jim Dandy'
Ilex verticillata x Ilex serrata
'Sparkleberry' - 'Southern Gentleman' and 'Apollo'
'Harvest Red' - 'Apollo'
--Photographs of 'China Girl' and 'China Boy' by Michael A. Dirr
HGTV's Gardening by the Yard explains why, when placing plants, you should avoid putting them too close to an exisiting structure.