Jacaranda mimosifolia
Winter hardy to USDA Zones 10-11 (possibly 9b). Established trees will usually withstand occasional temperatures down to about 20 degrees F. In the St. Louis area, grow in containers. Best in sandy, fertile, well-drained soils in bright light. ... [... more]
Missouri Botanical Garden |
Jasminum nudiflorum
Best grown in well-drained sandy loams with regular moisture in full sun to part shade. Tolerates full shade but with much reduced flowering. As a vine, it is perhaps best sited where it would receive full winter sun, such as the south side of a ... [... more]
Missouri Botanical Garden |
Jasminum officinale
Winter hardy to zones 7 to 10, Jasminum officinale prefer full sun to partial shade and a warm site. They grow well in regular garden soil with moderate levels of soil fertility and moisture, and they need frequent pinching and shaping to control ... [... more]
Missouri Botanical Garden |
Jeffersonia diphylla
Best grown in moist, humusy, well-drained, limestone soils in part shade. Tolerates full shade. Plants are best sited under the canopies of large deciduous trees where they will receive part sun in spring before the trees leaf out, but are ... [... more]
Missouri Botanical Garden |
Juglans cinerea
Although not commonly grown as an ornamental, butternut is a valued native American tree that is unfortunately becoming increasingly rare in the wild now because of a canker disease (see below). Butternut is similar in appearance to black walnut ... [... more]
Missouri Botanical Garden |
Juglans nigra
Black walnut is a large deciduous tree typically growing 75-100' (less frequently to 125') tall with and an oval to rounded crown. Mature trees characteristically have long trunks, often with an absence of lower branching. Fissured, sharply ... [... more]
Missouri Botanical Garden |
Juglans regia
Native to Asia and southeast Europe (Balkans), English walnut (or Persian walnut ) is a deciduous tree that typically grows 40-60'(less frequently to 100') tall with and a spreading rounded crown. This is the tree that is grown commercially in ... [... more]
Missouri Botanical Garden |
Juncus decipiens 'Curly-wurly'
This rush cultivar is a miniature, grass-like plant which is one of the true rushes. It grows in a small clump to 6" tall and features cylindrical, tightly curled (spiraled), stem-like, green leaves. Insignificant, tiny, greenish-yellow to brown ... [... more]
Missouri Botanical Garden |
Juncus effusus Plant of Merit
Easily grown in moist to wet soils, including standing water to 4" deep, in full sun locations. Tolerates light shade, but best in full sun. Notwithstanding its preference for abundant moisture, soft rush will perform surprisingly well in average ... [... more]
Missouri Botanical Garden |
Juncus effusus f. spiralis
The species, known as common rush or soft rush, is a grass-like, rhizomatous perennial that features cylindrical upright green stems in spreading clumps to 30" tall. It is one of the true rushes. This plant is commonly known as corkscrew rush ... [... more]
Missouri Botanical Garden |
Juncus effusus f. spiralis 'Blonde Ambition'
Yellowish-green to pale brown 'Blonde Ambition' is a corkscrew rush that is noted for its variegated green and gold stems. It is known as corkscrew rush because it features a tuft of cylindrical, tightly-spiraled, corkscrew-like stems (to 1/4" ... [... more]
Missouri Botanical Garden |
Juncus inflexus 'Afro'
This rush cultivar is a compact, grass-like plant which is one of the true rushes. It typically grows in a small clump to 18" tall and reportedly retains its form better than some of the other spiral-type rushes. Features powdery blue, ... [... more]
Missouri Botanical Garden |
