Hibiscus syriacus 'Aphrodite' is a vigorous, durable shrub featuring large, breathtaking rosy-red single blooms that last for most of the summer season. Unlike most species of Althea, the Aphrodite Tree is sterile and does not produce any seed, making it an ideal plant to put near a walkway or patio. The Aphrodite Althea Tree is a mostly upright growing shrub that can reach between 8 and 10 feet tall with a graceful 6 foot spread.