… been under attack in the past from scale, mites or aphids, then an application of dormant oil is warranted. Dormant oil may be applied when the temperature is at least 40 degrees and there is no chance of freezing within 24 hours. The tree must truly be dormant and not have broken bud …
Type: Plant Info
… Rosa 'Europeana', a floribunda rose, is covered with deep red, lightly fragrant double blooms from June through frost. The new growth is a dark burgundy color that matures to deep glossy green. The ultimate height and spread of this rose is 3 feet by 3 feet in the Chicago region. This rose is more tolerant of summer heat than many …
Type: Garden Guide Plant
… Narcissus ‘Kokopelli’ is in Division 7. This is a dwarf cultivar that stands only 5 – 8 inches high. It blooms in mid to late spring with 2 – … that give a rounded look. The petals are bright yellow and may be slightly reflexed. The cup is bowl shaped with a straight mouth. It open with green at the base, but matures to a darker …
Type: Garden Guide Plant
… flowers. The samaras, or winged fruits, mature in fall and turn a rich red. Fall color is outstanding, ranging from yellow to red to purple. This lovely small tree, native to the Far East, can be grown only in very protected areas if you live in Zone 5. It is an exceptional small ornamental maple. While most Japanese maples designated as "dissected" have spreading shapes, this one is is upright and vase- shaped. Foliage emerges light green with reddish edges in spring. It …
Type: Garden Guide Plant
… oils that are extracted are useful for culinary and medicinal purposes. The lemon myrtle is native to the rainforests of Queensland in north-eastern Australia where the Australian … situations, in commercial situations it rarely exceeds fifteen feet. In the springtime it is heavily covered with bunches of small white lemon-scented flowers that are attractive to insects and birds. It is an exceptionally adaptable tree to most soil conditions but is not hardy in Chicago. Archived …
Type: Garden Guide Plant
… throughout most of North America, excluding the far western and northeastern states, this is an uncommon species. Found in undisturbed prairies or dunes, it prefers loose, sandy soil or … which send the seeds airborne when the pods split open. The most prominent part of the flower is the calyx tube under the tiny flower petals. The main pollinator of this species is the bumblebee, and it is a favorite of the milkweed longhorn beetle. As with others in the …
Type: Garden Guide Plant
… compact growth, a uniform arrangement of branches forming a full crown, and rapid growth. It is a male cultivar, will not produce the distinctive smelly female Ginkgo fruit, and has the … mature to a 55 foot tall by 40 foot wide tree and will work well as a shade or street tree. It is one of the most pollution-tolerant trees and works well in the city. Ginkgo is sometimes called the maidenhair tree due to its beautiful fan shaped leaves that resemble a …
Type: Garden Guide Plant
… of tubular yellow flowers with long stamens and pistils protruding from the flowers. The fruit is a dry capsule with long filaments. Diervilla sessilifolia , native to the Southeast, named for the very short petioles on the leaves, is also distinguished by four thin ridges running along the branches. Fall color is reddish-purple. Bush honeysuckles, native to dry woods and clearings, are adaptable to many …
Type: Garden Guide Plant
… Flowering Japanese crabapple is a classic that is noted for its abundant fragrant flowers. The transition from bud to flower offers a color range from almost red to pink to white. The fruit is yellow with a pinkish blush. This species is extensively planted at the Chicago Botanic …
Type: Garden Guide Plant
… Among the most blue of hosta cultivars, Hadspen Blue is medium sized with foliage of good substance that is slug resistant. Many consider it a classic hosta. It is one of the Tardiana group. Hostas are shade tolerant, easy to grow, and long lived. Although …
Type: Garden Guide Plant
