Thryptomene calycina ( Heath Myrtle )

Evergreen shrub with bushy habit and fragrant, lance-shaped, dark green leaves. Flowers in white, pink, or pink and white, with yellow centers bloom from winter to spring. Ideal for the shrub border.

Thrinax microcarpa ( Brittle thatch palm )

Thrinax microcarpa is a small palm with a slim-, upright stems. Leaves are divided halfway into 33 to 58 narrow lobes, densely white to tan-scaly underneath, then glabrous blue-green above. Produces white to yellow or orange flowers in loose-arching panicles. […]

Thrinax ( Thatch palm )

This genus of palms is often found growing were soils are limstoney and soil is well-drained. Native to Florida, the Caribbean, Belize, and Mexico, the fronds are fan-shaped and have long, green stalks and are arranged so that the head […]

Thlaspi cepaeifolium ( CommonName Not Available )

Cepaeifolium subsp. rotundifolium is a short-lived, tufted perennial bearing widely ovate to almost rounded, deep green leaves. Produces scented, deep violet-blue flower in short-stemmed, congested, head-like racemes. In general, this genus of short-lived perennials also contains biennials and annuals are […]

Thlaspi ( CommonName Not Available )

This genus of short-lived perennials also contains biennials and annuals are are often found in alpine pastures, rock outcroppings or mountain woods in temperate areas. Leaves maybe either spoon-shaped or oval, entire or toothed and grow in a rosette fashion. […]

Thevetia ( Thevetia )

Thevetia is a fast growing evergreen shrub or small tree. Foliage is glossy and deep green, flowers are clusters of yellow funnel-shaped flowers. Can be used as hedges, or trained into tree form. They require full sun, heat and regular […]

Thermopsis villosa ( Carolina Lupine )

Erect stems bear alternate 3-palmate leaves. Early summer spiked flowers, which are similar to Lupine, are yellow and pea-like, with rounded, standard petals. Excellent for borders and wildflower gardens. They are quite forgiving of many conditions.

Thelypteris phegopteris ( Narrow Beech Fern )

Deciduous fern with arrow-shaped, light green fronds on long stalks and made up of oblong segments. The lowest pinnae on the stalks point forward and downward. Grow in a moist, shady border with a reliable moisture supply. Also referred to […]

Thelypteris noveboracensis ( New York fern )

Noveboracensis, also known as New York fern, is an erect, spreading, deciduous, terrestrial fern producing long, creeping rhizomes with pale golden brown scales. Upright, lance-shaped, pinnate, mid-green sterile fronds each with up to 25 paris of lance-shaped pinnae. In general, […]