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Rhus ovata in September 2015 on 20% of ET0. Photo: SK Reid. Sugar bush is a Southern California native evergreen shrub that had mortality issues during the establishment phase of our trial, losing 2-3 plants on each treatment before the irrigation period in 2015.
Lippia nodiflora 'New White' in October 2018. Photo: SK Reid. DAVIS- Northern California As noted in the Methods, all plants were trimmed to a 1-meter circle at the end of June. The average plant width subsequently attained by October for the standard Kurapia in Davis was 363.5 cm (143.1 in.
Calamagrostis acutiflora Karl Foerster in August 2013. Photo: SK Reid. Karl Foerster feather reed grass proved itself a tough and beautiful ornamental whose only drawback is the downtime after cutting back typical of ornamental grasses.
Cerastium tomentosum in May 2013. Photo: SK Reid. Snow-in-summer did not turn out to be as hardy a plant as we had hoped. The average overall appearance of these plants was barely acceptable at all irrigation levels during the second year.
Ceratostigma plumbaginoides in full sun in June on 60% ET0. Photo: SK Reid. Since we grew this species in both the full sun and shade, both treatments results will be discussed together for comparison.
Delosperma cooperi in May 2013 on 20% ETo. Photo: SK Reid. As a flowering groundcover, this iceplant was fairly fast spreading and sturdy in the trials field. It showed some sensitivity to hard frost, turning purple and dying back in some cases.
Isomeris arborea in May 2013 on 20% ET0. Photo: SK Reid. This southern California native species was extremely difficult to analyze due to 50% mortality rates on the 80, 60, and 20% treatments, leaving only three plants on each of these irrigation levels.
Rosa 'Meisentmil' Lemon Drift in May 2018 before treatment effects. Photo: SK Reid. Lemon Drift is a prolifically blooming groundcover rose that performed at a very good level on all irrigation treatments with no significant differences in overall appearance between treatments (Table 16a).
Rosa 'Meikokan' Tequila Supreme in full bloom in May 2018 before treatments. Photo: SK Reid. The color of the blooms on this vigorous and dense shrub rose is unique and eye-catching, and the ruffled petals just add to the appeal. Open House participants mostly commented on this aspect of the plants.
