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Bull Grass

Muhlenbergia emersleyi

Bull grass (Muhlenbergia emersleyi) is a grass valued for both wildland restoration and water-wise landscapes. In California it holds a California Rare Plant Rank of 2B.2, meaning it is rare, threatened, or endangered in the state but more common elsewhere. It is known from only a few occurrences in the Santa Rosa and San Jacinto mountains of Riverside County, where it grows in relatively specialized conditions.


This perennial bunchgrass forms dense, upright clumps of blue-green to pale green foliage, typically reaching 2–3 feet tall and about as wide. Narrow leaves arise from the base, creating a tidy mound that works well in naturalistic plantings. In late summer to fall, bull grass produces open, airy panicles with purplish to tan flower spikes that catch the light and add subtle movement and texture to the landscape.

In the wild, bull grass is found in montane chaparral and along washes or rocky slopes with seasonally available moisture. It often flowers in response to summer monsoon rains, which partly explains why it was documented relatively late by botanists. In gardens, it is drought-adapted once established and performs best in full sun to part shade with well-drained soils. It is well suited to meadow plantings, slope stabilization, and habitat gardens where a soft, natural look is desired.

To maintain a healthy, attractive clump, cut plants back hard to about 6 inches from the ground in April to refresh growth, or cut back every few years to remove accumulated dead material.

Chaparral Nolina

Nolina cismontana

Nolina cismontana, the chaparral beargrass, chaparral nolina, California beargrass, Peninsular beargrass, or peninsular nolina, is a rare species of flowering plant of the Peninsular and Transverse Ranges in California. It is endemic to (known from) only four counties in Southern California: Los Angeles, Orange, San Diego and Ventura Counties. There are perhaps 15 to 17 occurrences in existence, with a total population estimated between 10,000 and 20,000. This species, previously classified as a subspecies of Nolina parryi, was elevated to species status in 1995. The type specimen is from Trabuco Canyon. The two species differ in morphology as well as habitat and ecology. Nolina cismontana occurs in coastal mountain ranges in dry chaparral and coastal sage scrub habitat on rocky sandstone and gabbro substrates. By contrast, N. parryi is more often found in woodlands on granite soils. The plant is in decline throughout most of its range. Threats include destruction and fragmentation of habitat for development, construction of roads, and agriculture, changes in the fire regime, recreational activity, and non-native species. This species is a "fire-follower", experiencing reproduction and prolific blooming after wildfire. Nolina cismontana grows to 30 centimetres (0. 98 ft) in height but can be much taller, reaching well over 1 metre (3. 3 ft). At ground level is a rosette of 30 to 90 long, narrow leaves which measure up to 140 centimetres (4. 6 ft) long by 3 centimetres (0. 098 ft) wide with a widening at the bases. They are stiff, whiplike, or limp, sometimes waxy in texture, and serrated on the edges. The inflorescence is a compound panicle of whitish flowers interspersed with pointed bracts. The plant is dioecious, with male and female flowers occurring on separate plants.

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