Tree Parkinsonia × [Hybrid Palo Verde] Semi-evergreen leaves, and smooth line green trunks and branches year round. Palo Verde means "green stick" in Spanish, and the green bark carries on photosynthesis. Survives in the desert on natural rainfall once established. Few problems. Needs some minor clean up maintenance of flowers and leaves. Prune when young to develop multi-stems and show off the beautiful bark. 'Desert Museum' is a V-shaped thornless hybrid having genetic characteristics indicating complex hybridization between three species, Parkinsonia…
Liana (Climbing Vine) Passiflora caerulea [Blue Passionflower] This is one of the hardiest passion flowers, dying back in colder climates, but hardy to 10 degrees F. (It is suspected that the specimen at Purdue University in West Lafayette, IN (USDA zone 5a), is kept alive in the winter by the heat radiated from the greenhouses and building it is planted near.) Plant is evergreen in tropical environments. Extraordinary flowers and tasty, edible fruits (passion fruit). Prefers loose sandy or gravelly soil that…
Shrub Philadelphus coronarius [Sweet Mockorange] Well adapted to different light (even shade) and soil conditions, especially to dry situations. Relatively trouble-free, and one of the most fragrant of the mockoranges. None of the mockoranges have much landscape interest after the season of bloom. Becomes leggy if not pruned. Pruning should be done after flowering (flower buds form on previous years wood), and to maintain fullness of form.
Shrub Philadelphus inodorus [Scentless Mock Orange] This shrub only has interent when it is flowering; even then, this specific speciman is not as great as it is not fragrant, unlike its relative, P. coronarius.
Shrub Philadelphus lewisii 'Blizzard' [Blizzard Mock Orange] 'Blizzard' is a cultivar that is more cold hardy than the straight species. It is known for its white flowers that are very fragrant.
Shrub Physocarpus opulifolius 'SMNPOTW' [sold as Tiny Wine®] [Tiny Wine Ninebark] Tiny Wine Ninebark is noted for its features as it is interesting season round. The exfoliating bark on mature wood reveals red-brown inner bark, this is how the common name Ninebark was chosen as the color is ever changing.
Shrub Pieris japonica [Japanese Pieris] Excellent large shrub specimen with handsome, lustrous, evergreen foliage, prominently red new growth in the spring, and small, interesting, urn-shaped flowers. Leaf spots, Phytophthora induced die back, and lace bug are most problematic. Struggles in alkaline and heavy, wet soils.
Tree Prunus cerasifera [Cherry Plum] This tree is not pollution tolerant and is short-lived, often living to only about 20 years. There are numerous diseases and pests that can affect Prunus cerasifera, especially canker, fireblight, leaf spots, powdery mildew, aphids, scale, borers, and tent caterpillars. Despite its drawbacks, this tree is extraordinarily popular and has been used extensively in the landscape. The straight species Prunus cerasifera is not often seen, with purple-leaf forms being the most predominant.
Tree Prunus cerasifera 'Atropurpurea' [Purple Cherry Plum] This tree is not pollution tolerant and is short-lived, often living to only about 20 years. There are numerous diseases and pests that can affect Prunus cerasifera, especially canker, fireblight, leaf spots, powdery mildew, aphids, scale, borers, and tent caterpillars. Despite its drawbacks, this tree is extraordinarily popular and has been used extensively in the landscape. The straight species Prunus cerasifera is not often seen, with purple-leaf forms, such as 'Atropurpurea' being the most predominant.…
Shrub Prunus glandulosa 'Rosea Plena' [Rosea Plena Dwarf Flowering Almond] 'Rosea Plena' is a small, near fruitless, multi-stemmed shrub with beautiful pink and white double flowers. It has an irregular, spreading form that can eventually become too open. Annual and immediate pruning following flowering and constant removal of root suckers will help maintain a better form and encourage increased blooming. Requires well-drained soil. Susceptible to numerous pests and diseases, which can cause it to be short-lived (under 10 years).
