Philadelphus Starbright or Mock Orange Starbright Philadelphus Starbright is a gorgeous deciduous shrub best known for its lovely perfumed blossoms. This relatively recent Mock Orange variety was selected in Newfoundland, Canada, but it is already winning over gardeners all over the world, and with good reason. The variety is one of the earliest to bloom and it boasts the most exquisite large white flowers. Unfurling from purple buds, the cup-shaped blossoms have 4 white petals and yellow-gold stamens, which the bees find irresistible. The single flowers have a sweet-smelling perfume characteristic for the species. The young purplish growth and deep purple petioles beautifully complement the crisp white blossoms.
In addition to its flowers, Mock Orange Starbright is appreciated for its naturally dense and upright form which looks highly decorative but requires little or no help to stay in perfect shape.
Height and Spread of Philadelphus Starbright This fast-growing deciduous shrub is suitable for both large and small gardens. With its erect growth habit, the expected maximum height for Mock Orange Starbright is up to 2.5 metres, with a spread of up to 1.8 metres.
How Hardy is Philadelphus Starbright Despite its delicate looks, Philadelphus Starbright is a tough and resilient cultivar. It is fully hardy all throughout the United Kingdom and can fare well in extreme weather conditions. it will survive even if the temperatures drop to 20 degrees below zero.
How To Use Philadelphus Starbright Highly-decorative and surprisingly adaptable, Mock Orange Starbright lends itself well to various uses in the garden. Usually, its dense deciduous foliage, upright growth habit, and attractive flowers do best in mixed shrub borders, especially paired with evergreen shrubs. You can also grow Philadelphus Starbright in beds and hedges, or plant en masse to create a gorgeous fragranced screen.
How To Care For Philadelphus Starbright Mock Orange Starbright is not a demanding shrub: it is easy to grow and care for. It thrives in fertile, moist but well-drained soil and performs well both in full sun and partial shade. For best results, make sure to prune this deciduous shrub every two to three years. Cut beneath the flowering parts to encourage new growth and a more prolific bloom in the following season.