May 7, 2004 — -- Giving mom a rose for Mother's Day? Thanks to an enzyme found in human liver, it might soon be possible to present her with the flower industry's Holy Grail: A blue rose. Roses ...

These native woodland flowers produce clusters of nodding baby blue flowers on 1- to 2-foot stems. Virginia bluebells flower early and attract scores of bees and butterflies, which is always a welcome ...