An ironweed species more tolerant of drier conditions than others and slightly shorter in stature. Loose clusters of deep purple blooms in Aug. and Sept.

Densely branched perennial with fine textured foliage and bright purple flowers. A good nectar source for butterflies.

Loose clusters of bright purple flowers on 3’-6’ stems in Aug-Sept. Native to moist meadows and roadsides. Nice partnered with Eupatorium and other late season bloomers. Attracts pollinators

A hybrid with a vase-like, bushy habit and narrow foliage. It’s topped with small domes of purple flowers in late summer.

Compact and very floriferous with many spikes of the most brilliant blue. Great for rock gardens. Deer & rabbit resistant

Short spikes of violet-blue flowers in spring on a compact, mounding plant. Some repeat bloom in late summer with deadheading.

Loads of spikes covered in blue from mid-late summer. More compact to fit into the front of the perennial border.

Low growing and mat forming this is a wonderful ground cover bearing brilliant blue flowers with white eyes all spring and sporadically for the rest of the season. Remaining attractive even when not in flower.

Soft lavender flowers covering the top half of a columnar, upright habit.

‘Pink Potion’ produces baby pink flowers that cover the top half of the plant while the deep green foliage forms a rounded, low habit that is wider than typical and packed full of flowers.

Creeping mats of golden foliage with blue spring flowers.

Dense spikes of purple flowers in summer over thick, dark green foliage.

Forming a ground hugging carpet forming pale icy blue flowers along thin stems. Great for filling in between pavers. Deer & rabbit resistant

Compact, producing many spikes of rosy-red flowers from mid-late summer. Makes a lovely edging.

An offspring of V. ‘Sunny Border Blue’ with a more compact habit and longer blooming. Dark violet-blue spikes through the summer.

A selection from the Chicago Botanic Garden with blue-violet flowers in spring covering a dense, low-spreading plant. Small, scalloped green leaves are slightly pubescent. Tolerant of tough conditions.

Thick spikes of violet-blue flowers starting in early summer on a dense, compact plant.

Stately native with whorled leaves and white tapering flower spikes in summer.  Best with some moisture. Attracts pollintors

Tall spires of lilac-blue flowers over whirled foliage in mid to late summer.

Dark evergreen foliage and violet-blue spring flowers. Great groundcover.

Glossy oval leaves with a wide white margin and sky-blue flowers.

English hybrid with large, fragrant lemon flowers edged in purple. Long-blooming.

Tough rapid groundcover for any soil. Strawberry-like leaves and yellow flowers in spring. Combines well with spring bulbs.