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Boerne Chapter

April 2006

NICE! Plant of the Month

(Callirhoe involucrata)

Several cup-shaped, deep pink flowers with white centers.
Image courtesy of Mrs W.D. Bransford, Lady Bird Johnson Wildflower Center

Family: Malvaceae (Mallow)

Other Common Names: Poppy-mallow; Spreading winecup

Type: Perennial

Natural Habitat: throughout Texas except far West Texas

Growth: 6 to 12 inches with some 18-inch trailing stems in a low-growing mound. Tuber with green rosette in winter.

Preferred Site and Use: Open places, roadsides, thickets, hillsides. Use as mass planting.

Deer Resistance: Deer will browse them. Protect with a product such as Liquid Fence.

Wildlife: Butterflies, bees.

Light Tolerance: Dappled shade, part shade, full sun.

Flowers: In April and May. Goblet shaped, with 5 reddish-purple petals that are 1 inch long and finely toothed or fringed on the blunt ends. The lineariloba variety of winecup is white with pink streaks.

Fruit: forms a small disk divided into ten segments each holding a seed

Leaves: Hairy, palmately-veined, deeply cut into 5 to 7 lobes on long stems.

Water Requirements: low

Soil Requirements: well-drained sand, loam, clay, caliche; acid or calcareous.

Maintenance: none

Planting Instructions: Space plants 2 feet apart. Dig a hole at least two times wider than, but the same depth as the root ball in the nursery container. Sides of the hole should be irregular, not smooth. Remove plant from container, taking care to support the root ball. Loosen exterior roots gently with your fingers. If the plant is root-bound and cannot be loosened by hand, the outer roots may be cut in several places. Lift the plant by the root ball and place into the hole. Backfill hole, using soil that was dug out. Do not add any soil to the top of the root ball, but a thin layer of compost may be spread over the soil surface. Gently firm the soil with your hands, but do not tamp it down. Mulch may be added over the bare soil around, but not touching the base of the plant.

Watering Instructions: Water deeply after planting to settle soil around roots. Then water as needed to establish. Water monthly only during periods of drought. Once established, natives will survive with little supplemental irrigation.

NICE! Tip: Winecups are attractive on rocky slopes or spilling over a wall.

Look for the NICE! Plant of the Month signs and information sheets on your next visit to a participating Boerne nursery. And thank you for supporting native plants by using them in your landscapes.

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About the Region

New Braunfels, the location of our Fall 2024 Symposium, straddles both the Edwards Plateau Ecoregion and the Blackland Prairie ecoregion. Interstate 35 divides the city of New Braunfels; its path through the city closely parallels the boundary of these two ecoregions, with the Edwards Plateau on the west side and the Blackland Prairies region to the east. The Edwards Plateau area is also called the Hill Country; however, this general term covers a much larger area extending farther north. Spring-fed creeks are found throughout the region; deep limestone canyons, rivers, and lakes (reservoirs) are common. Ashe juniper is perhaps the most common woody species found throughout the region. Additional woody species include various species of oak, with live oak (Quercus fusiformis) being the most common. Sycamores (Platanus occidentalis) and bald cypress (Taxodium distichum) border waterways. This area is well known for its spring wildflower displays, though they may be viewed in spring, late summer, and fall, as well. According to Texas Parks and Wildlife, average annual rainfall in the Edwards Plateau ranges from 15 to 34 inches.

The Blackland Prairie extends from the Red River south to San Antonio, bordered on the west by the Edwards Plateau and the Cross Timbers, and on the east by the Post Oak Savannah. Annual rainfall averages 30 to 40 inches, with higher averages to the east. This region is dominated by prairie species. The most common grass species include little bluestem (Schizachyrium scoparium) and Indian grass (Sorghastrum nutans) in the uplands and switchgrass (Panicum virgatum) in the riparian areas and drainages. Common herbaceous flowering plants include salvias, penstemons, and silphiums. This area has suffered greatly from overgrazing and agricultural use. Few intact areas remain, though many of the plants can be found along county roadsides throughout the region.

Our four host chapters (New Braunfels, Lindheimer, Guadalupe, and the Hill Country chapters) are located in one or both of the ecoregions above. However, the eastern portion of Guadalupe County also falls within the Post Oak Savanna ecoregion. Annual rainfall averages 35 to 45 inches, with higher averages to the east. A wide variety of hardwood trees are found, including several species of oaks, elms, and in the Bastrop area, loblolly pine (Pinus taeda). Grasses and forbs dominate in the open savannas, with most common grass being little bluestem. Ranching, agriculture, and fire suppression have allowed woody species to encroach on the once-open savannas.

Source: Wildflowers of Texas by Michael Eason