

Calico Aster Horizontalis
Symphyotrichum lateriflorum var. horizontale
The horizontal variety of calico aster is the more architectural form -- the branches spread distinctly parallel to the ground, creating a layered, spreading habit that looks almost like a small shrub when fully branched. In fall, the horizontal branches are loaded end-to-end with the characteristic tiny white and pink-turning flowers, creating a wide, flat cloud of bloom rather than an upright plume. The effect is different from the standard form and works exceptionally well as a border edge or groundcover-scale planting. This variety has darker, almost black stems that show clearly against the white flowers and light foliage -- a high-contrast combination that gardens with good fall light show off beautifully. The same excellent wildlife value as the straight species, with a more deliberate and refined structure.
We grow a range of sizes and prices. Add the plant to your list, then pick your size when you visit.
Final price confirmed at pickup, depends on size and season.
- Thu, Jul 238 AM – 4 PM
- Fri, Jul 248 AM – 4 PM
- Sat, Jul 258 AM – 2 PM
A nursery-grown plant, ready for the ground.
Healthy, container-grown calico aster horizontalis propagated on-site at Hill House from regional genetics. Includes a one-page care card. We make every effort to supply plants as listed; occasionally we substitute a similar species of equal value.
- Sun
- Full sun
- Water
- Average
- Mature size
- 1.5'–2.5'
- Bloom
- Layered horizontal branches with white-turning-pink flowers September through November; dark stem structure visible year-round
- USDA zones
- 3-8
Pairs well with these.
Same light, same soil, same wildlife. Janet's picks to plant alongside calico aster horizontalis.
Or skip the guesswork.
Curated packages bundle 9–12 species that work together. One reservation, one pickup day, a printed layout map.

Butterfly Package
Host and nectar plants chosen to feed monarchs, swallowtails, and fritillaries spring through fall.

Hummingbird Package
Tubular-flowered natives that pull ruby-throats through your yard April through October.

S.O.S. Package
Save Our Songbirds, berry- and seed-bearing natives that feed nesting and migrating birds.