Tree Crataegus viridis 'Winter King' [Winter King Green Hawthorn] An attractive, nearly thornless vase-shaped small tree with beautiful white flower corymbs and large, bright red persistent fruits. This cultivar was discovered in a fence row by Bob Simpson in Vincennes, Indiana. Very adaptable, although leaves are often badly infected by rust so that the entire plant appears to be suffering from the measles.
Tree Crataegus × 'Vaughn' [Vaughn Hawthorn] This small tree is a hybrid of Crataegus crusgalli x C. phaenopyrum. It is generally grown for its fragrant clusters of white flowers in the spring and prolifically produced red fruits that persist into winter. Due to its numerous thorns, it is best used in areas with low traffic. Highly susceptible to rust.
Shrub Forsythia × intermedia [Border Forsythia] The most showy forsythia cultivars are found in this vigorous and adaptable hybrid species. Cut stems excised in mid-winter will flower indoors due to very short chilling requirement. Hardy to USDA Zone 4 for vegetative parts and USDA 5(6) for flowers. Flower buds are killed by severe winters in zone 5, and frequently in colder zones. Plants, however, are hardy in Zone 4. Too big for most foundations and small border plantings (Don't Shear!). Remove…
Shrub Forsythia × intermedia 'Courtasol' [sold as Gold Tide®] [Dwarf Border Forsythia] 'Courtasol' is a compact, dwarf cultivar that can function as a groundcover. It has arching branches that are covered with an abundance of bright yellow flowers early in the spring. Cut stems excised in mid-winter will flower indoors due to very short chilling requirement. Hardy to USDA Zone 4 for vegetative parts and USDA 5(6) for flowers. Flower buds are killed by severe winters in zone 5, and frequently in colder zones. Plants, however, are…
Shrub Forsythia × intermedia 'Karl Sax' [Karl Sax Border Forsythia] The Karl Sax Border Forsythia is a dense shrub that bears its dark yellow flowers horizontally. Flower buds are more cold hardy than many Forsythia variants, but flower buds can be killed by severe winters in zone 5, and frequently in colder zones. Plants, however, are hardy in Zone 4. Cut stems excised in mid-winter will flower indoors due to very short chilling requirement. Too big for most foundations and small border plantings (Don't Shear!).…
Shrub Forsythia × intermedia 'Spectabilis' [Showy Border Forsythia] 'Spectabilis' is a well-known and high quality Forsythia variant that has been around for many years. It is a very vigorous grower and prolific bloomer with bright yellow flowers that smother the branches early in the spring. 'Spectabilis' flower buds have better cold hardiness than many cultivars, but flower buds can be killed by severe winters in zone 5, and frequently in colder zones. Plants, however, are hardy in Zone 4. Cut stems excised in…
Shrub Forsythia × 'Meadowlark' [Meadowlark Forsythia] This hybrid of Forsythia ovata and F. europaea is an excenllent variant for the Midwest and is noted for its abundance of cold hardy flower buds that open to create a bright yellow flower show in the spring. Cut stems excised in mid-winter will flower indoors due to very short chilling requirement. Too big for most foundations and small border plantings (Don't Shear!). Remove old wood for best appearance.
Shrub Fothergilla gardenii [Dwarf Fothergilla] A very useful and adaptable small shrub that has unique, fragrant, bottle-brush flowers and spectacular fall foliage. Chlorosis develops in high pH soil.
Shrub Fothergilla gardenii 'Jane Platt' [Jane Platt Dwarf Fothergilla] A very useful and adaptable small shrub that has unique, fragrant, bottle-brush flowers and spectacular fall foliage. Compared to the species type, 'Jane Platt' has slightly larger flower spikes and more cascading branches, but reportedly the fall color is not quite as brilliant. Chlorosis develops in high pH soil.
Shrub Fothergilla major [Large Fothergilla] Although much larger (up to 10' tall), Fothergilla major is quite similar to Fothergilla gardenii (Dwarf Fothergilla), and is a very useful and adaptable shrub. It has unique, fragrant, bottle-brush flowers and spectacular fall foliage. Chlorosis develops in high pH soil.
