Objectives of Seed Orchard Management •Early flowering; flowering can begin at 3 years for E. nitens. •Simultaneous flowering between trees; ensures out-crossing. •Promote abundant flowering and abundant seed crops. | Flowering biology Differences between species Flowering and seed development cycle. Factors affecting seed production. Eucalyptus nitens seed development cycle June Year 1 Feb Year 2 Nov Year 2 Feb Year 5 Feb Year 4 Jan Year 3 Objectives of Seed Orchard Management Early flowering flowering can begin at 3 years for E. nitens. Simultaneous flowering between trees ensures out-crossing. Promote abundant flowering and abundant seed .