Red Horse chestnut (Aesculus carnea 'Briotti')

This red horsechestnut puts on a stunning show in the spring and only gets to be about half the size of its white relative, and it drops almost no fruit. zone 3

Buckeye (Aesculus neglecta 'Erythroblastus')

Ohmygosh! You have to see these leaves, almost white with deep green veining when they come out in the spring. Pic coming soon. Zone 3.

Buckeye (Aesculus hippocastaneum 'Laciniata')

A shrubby tree to 10′ in your lifetime; the compound palmate leaves are deeply and narrowly incised. zone 4

Bottle Brush Buckeye (Aesculus parviflora)

Bottlebrush Buckeye is a tall growing (10′) wide spreading shrub whose distinctive beauty is in the flower spikes in the summer. zone 4