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.
Shrub Fothergilla × 'Mt. Airy' [Mt. Airy Fothergilla] 'Mt. Airy' is an excellent, vigorous hybrid that makes for an extremely useful, adaptable, and high quality shrub. It produces a profuse number of unique, fragrant, large, bottle-brush flowers and has consistent, spectacular fall foliage. Chlorosis can develop in high pH soil.
Shrub Fouquieria splendens [Ocotillo] Habit of distinctive vertical lines providing a stark texture. Withstand long periods of drought. Leaves fall off when water is scarce, but can reappear within a few days after rain. This cycle of leaf drop and re-growth can reoccur several times a season. Foliage typically last about one month. Water twice a month to retain leaves in the summer. Otherwise, don't water. May not leaf out for a year after transplanting. Protected by Arizona native…
Shrub/Tree Frangula alnus [Glossy Buckthorn] Rhamnus frangula is very weedy (invasive in some areas) and adaptable, and generally has an unattractive, leggy habit. Birds love the fruits and spread the seeds. This species is not recommended for use in the landscape.
Shrub Frangula alnus 'Ron Williams' [sold as Fine Line®] [Fine Line Glossy Buckthorn] Though the name buckthorn is forever a synonym of invasiveness, this cultivar gives the species a round of redemption. Fine Line is a hybrid of the cultivars of R. frangula 'Aspleniifolia' and 'Columnaris', giving its distinct upright habit and the glossy dark green leaves. Though Fine Line will flower and fruit, the seed viability extremely low, removing the invasive threat.
Tree Indiana Native Fraxinus americana [White Ash] Not as adaptable as Green Ash but has better esthetics. Heavy crops of seeds on female trees cause litter, and these germinate freely making the tree slightly weedy. An unattractive ash flower gall (caused by mites) can develop on male flowers and persist into winter. Subject to storm damage, so plant in areas that shelter the tree from strong winds. Emerald Ash Borer is severely affecting all species of this genus. Damage can be prevented…
Tree Fraxinus americana 'Autumn Applause' [Autumn Applause White Ash] The Autumn Applause Ash has a dense and rounded form with excellent maroon fall color. Heavy crops of seeds on female trees cause litter, and these germinate freely making the tree slightly weedy. An unattractive ash flower gall (caused by mites) can develop on male flowers and persist into winter. Subject to storm damage, so plant in areas that shelter the tree from strong winds. Emerald Ash Borer is severely affecting all species of this…
Tree Fraxinus americana 'Empire' [Empire White Ash] 'Empire' is a narrow, upright tree with handsome fall foliage. Fruits can be a litter problem. An unattractive ash flower gall (caused by mites) can develop on male flowers and persist into winter. Subject to storm damage, so plant in areas that shelter the tree from strong winds. Emerald Ash Borer is severely affecting all species of this genus. Damage can be prevented with the appropriate pesticide, but the treatment cost will eventually exceed replacement…
Tree Fraxinus americana 'Junginger' [sold as Autumn Purple®] [Autumn Purple White Ash] The Autumn Purple White Ash is a popular variant due to its attractive glossy foliage and purple-red fall color. It is a male clone and does not produce any fruit litter. An unattractive ash flower gall (caused by mites) can develop on male flowers and persist into winter. Subject to storm damage, so plant in areas that shelter the tree from strong winds. Emerald Ash Borer is severely affecting all species of this genus. Damage…
Tree Fraxinus americana 'Rosehill' [Rosehill White Ash] 'Rosehill' is a seedless cultivar that is very tolerant of poor soil conditions, including alkaline. Subject to storm damage, so plant in areas that shelter the tree from strong winds. Emerald Ash Borer is severely affecting all species of this genus. Damage can be prevented with the appropriate pesticide, but the treatment cost will eventually exceed replacement cost.