Uncinia is an evergreen perennial that thrives in moist to swampy soil. Grown primarily for their colorful, grass-like leaves, the plant also produces spiked, dark brown flowers from mid to late summer. Best used in mass plantings as a ground […]
Umbellularia californica ( California Laurel )
Umbellularia californica is a spreading evergreen tree which can reach 75 feet tall, 100 feet wide in the wild. Foliage is aromatic and leathery dark green, some find the aroma unpleasant, even causing headache, while others use the leaves as […]
Ulmus pumila ( Siberian Elm )
Ulmus pumila is a large elm, 50 to 70 feet tall, with an open habit and large branches with highly brittle, breakable branchlets. Will grow under any conditions, foliage is dark green, riddled with insects, not recommended in the species […]
Ulmus parvifolia ( Chinese Elm )
The cultivar ‘Frosty’ is a slow-growing, shrubby elm and has small, white-margined leaves. This species of tree is very tough with either a vase or rounded shape. Foliage is neat and medium green, bark is mottled, yielding the common name […]
Ulmus glabra ( Exeter Elm )
The cultivar ‘Exoniensis’ has upright branches producing clustered, twisted and folded leaves. When young, it is narrowly columnar, broadening with age. This deciduous tree is grown for its graceful, weeping growth habit and its attractive foliage. It has twisted branches […]
Ulmus carpinifolia ( Smooth-leaf Elm )
Ulmus carpinifolia is a large elm native to Europe, reaching 70-90′ tall. It has a straight trunk, and is mildly pyramidal. The foliage is glossy dark green in summer. It is intermediate in Dutch Elm Disease resistance. Many cultivars have […]
Ulmus alata ( Winged Elm )
Ulmus alata is a medium-sized elm, 30 to 40 feet tall. Branches spread and form a rounded crown. Common in the southern U.S., its distinguishing trait is the 2 corky wings that develop opposite to one another on the branches. […]
Ulex europaeus ( Furze )
Europaeus, also known as Furze, Gorse, or Whin, is an upright to rounded, bushy shrub with spine-tipped green shoots and rigid leaves. These small, evergreen shrubs have short, spine-like needles or spines and are grown for their yellow, pea-like, year-round […]
Uebelmannia pectinifera ( Uebelmannia )
Pectinifera is a species of Uebelmannia cactus with spherical to cylindrical, reddish-green to reddish-brown bodies and off-white scales. This cactus prefers moist, humid conditions and when grown as a houseplant, loves to be misted daily during the summer. At the […]
Uebelmannia ( Uebelmannia )
This cactus prefers moist, humid conditions and when grown as a houseplant, loves to be misted daily during the summer. At the onset of winter, do not water, but mist only when days warm or if your home dries out […]