Possible Clues:

• Flower whose name is Greek for 'flame'
• Colorful delicacy for a groundhog
• Flower known to attract butterflies
• Plant family that includes Jacob's ladder
• Some purple blooms
• Garden plant with clusters of white, red or purple flowers
• Flowers in bunches by the sound of it
• Garden plants in clusters, from what we hear
• Plant bearing flowers in large numbers according to report
• Garden bloom