The long: Queen Elsa's castle and 10 Disney princesses deliver a youthful crowd to the Pennsylvania Horticultural Society's big-deal botanical affair. Opening weekend for the movie-themed show saw a threefold increase in kiddie attendance.

The demo: On "Cinderella Sunday," lotsa princesses.

The short: Flower Show's final day is all about Disney fantasy.

Dress code: Electric blue gowns, tiaras.

The downside: Sunday's "Princess Tea" is sold out. Royal characters on hand for hugs and photo opps aren't Disney, and Lilly James (the new Cinderella) is too busy promoting the film to stop by. Those Disney princess arrangements are lovely, if abstract.

The upside: For a $10 fee, guests can weave faux flowers and ribbons into tiaras in the "Make and Take" room. Or commune with 2,000 winged beauties in "The Butterfly Experience" ($3 a person).

Big screen: The main entrance will show trailers and exclusive interviews to promote live-action "Cinderella," in theaters March 13.

If you SEPTA: Remember Market East is now Jefferson Station.

If you drive: Garages in the neighborhood charge about $25 to park.

The basics: Pennsylvania Convention Center, 12th and Arch streets, 8 a.m.-6 p.m. Sunday (show 10 a.m.-9 p.m. through Friday,

8 a.m.-9 p.m. Saturday), $32, $20 students, $17 ages 2-16, under 2 free, discounts for advanced purchase, 215-988-8800,

Lauren McCutcheon is a features reporter with a 2-year-old who likes princesses and plants but prefers fire trucks.