Ginkgo biloba ‘Tubiformis’ (syn. ‘Tubifolia’) – The Tube-Leaf Ginkgo is a semi-dwarf tree with young leaves that curl into a vase shape and literally hold a few dew drops. The pale green leaves shift to your typical yellow to gold in autumn. Slow growing (about 9-12″ a year) but eventually reaching heights of 20 to 25′. Grows 6-7′ high by 3′ wide in 10 years. Hardy to zone 4.
Ginkgo biloba ‘Jade Butterfly’ (syn. ‘Jade Butterflies’) – A male clone of Ginkgo with insignificant greenish catkins in spring. The bi-lobe leaves are a jade green colour and much resemble butterflies in flight. Growth habit is vase-shaped with the autumn foliage colour being a rich golden-yellow. A good choice for small urban gardens. Grows 12′ high by 6′ wide in 10 years. Zone 4.
Ginkgo biloba ‘California Sunset’ – The new growth of this variegated Ginkgo is creamy-yellow, shifting to deep green as they mature and developing attractive yellow stripes. The variegation pattern is apparently more stable than ‘Variegata’ and it can be grown in a large container. The branches tend to weep slightly. Eventually grows 20′ high by 8-12′ wide. Zone 4.
Daphne x houtteana ‘Louis van Houtte’ – This old cross between Daphne laureola and D. mezereum is evergreen in nature and has attractive purplish-black foliage. The lightly scented flowers are a purplish-pink and are borne on the stems from March to April. Young plants are initially slow growing and it tolerates part to full sun. Grows 3′ high and wide. Hardy to zone 6.
Coprosma x ‘Beatson’s Gold’ – A hard to find evergreen shrub with wiry stems and tiny dark green leaves with prominent gold centers. It is assumed to be a Coprosa areolata hybrid or a cross with Coprosma repens. ‘Beatson’s Gold’ tolerates seaside plantings and prefers a full sun exposure. This shrub is drought once established. Grows 3-4′ high and wide. Hardy to zone 8.