Buddleia (Butterfly Bush) - Mixed - Shrub Buddleja davidii - These fragrant butterfly bushes in 3 fabulous colours will attract plenty of butterflies to the garden. The varieties: Royal Red, White Profusion and Empire Blue.
Buddleja davidii (spelling variant Buddleia davidii), also called summer lilac, butterfly-bush, or orange eye, is a species of flowering plant native to Sichuan and Hubei provinces in central China, and also Japan. USDA zones 5-9. Cultivars are much appreciated for the value of their flowers as a nectar source for many species of butterfly.
You can't beat these. They are hardy, fast growing and attract butterflies which keep the whole garden pollinated. Also, long blooming, very easy to take cuttings from. I have several white and burgundy. Still blooming mid October.