 | Little Joe Pye Weed. Lavender Summer Blooms are a Butterfly Magnet! The Little Joe-Pye Weed, 'Eupatorium purpureum', is a wonderful lavender purple bloomer that stands 4’ tall with a plant spread the 29-35”. The “Little Joe’ plant has dark green leaves and it is covered with dome-shaped heads of lavender flowers in midsummer. Having a more compact growing habit, it produces 4' tall and stiff stems to prevent flopping later in the year. Not only does “Little Joe’ grow to a manageable size in the garden, but... - Little Joe Pye Weed. |