Ive used the Excel template for years, and it works well. When the Plantstep first came out, I considered it, but already keep folders of images that are easy to reference.
So my columns are very similar to what Arlene uses.
CULTIVAR NAME
HYBRIDIZER, YR. REGISTERED
PLOIDY
FOLIAGE TYPE
BLOOM FORM ( SP/UF/ DB/LG/MINI ETC)
SCAPE HEIGHT, BLOOM SIZE
BLOOM DESCRIPTION
SOURCE
COST
DATE ADDED
NOTES