Tall Drought Tolerant Plants

Gleditsia sinensis has been used in China for at least 2000 years as a detergent. * Thorns showed antibacterial activity against a Gram-positive bacterium Xanthomonas vesicatoria and a Gram-negative bacterium Bacillus subtilis.

Gleditsia sinensis has been used in China for at least 2000 years as a detergent. * Thorns showed antibacterial activity against a Gram-positive bacterium Xanthomonas vesicatoria and a Gram-negative bacterium Bacillus subtilis.

Varieties of the species include the Nevada agave and Kaibab agave. Sap from the cut flowering stems is used as a syrup. It is generally yellow or yellow-green with bulbous yellow flowers.

Varieties of the species include the Nevada agave and Kaibab agave. Sap from the cut flowering stems is used as a syrup. It is generally yellow or yellow-green with bulbous yellow flowers.

It grows slowly, requiring about ten years to reach 1.2 metres (4 ft) in height but can grow much faster. Dragon's blood has a number of traditional medical uses, although dragon's blood obtained from Dracaena draco was not known until the 15th century.

It grows slowly, requiring about ten years to reach 1.2 metres (4 ft) in height but can grow much faster. Dragon's blood has a number of traditional medical uses, although dragon's blood obtained from Dracaena draco was not known until the 15th century.

* Mirbelia is a plant genus belonging to the Fabaceae family. It is endemic to Australia, occurring in every mainland state except South Australia.

* Sun- and drought-tolerant. Mediterranean and Asia Minor. * This species grows up to 50 feet, and has yellow flowers.

* Sun- and drought-tolerant. Mediterranean and Asia Minor. * This species grows up to 50 feet, and has yellow flowers.

* Mirbelia is a plant genus belonging to the Fabaceae family. It is endemic to Australia, occurring in every mainland state except South Australia.

The stems grow slowly and often tightly together, eventually reaching 2-5 m tall with a trunk diameter of 20-25 cm. The whole leaf can be used in weaving. Plants grow in poor dry soils in the wild.

* Of symmetrical conical habit; needles stiff, often twisted, dark green, to 7"; cones 2-4 1/2"; native to California, where it is used ornamentally. * The Bishop Pine ( Pinus muricata ) is a pine with a very restricted range: mostly California , USA...

The bark is ground into a powder and then steeped in water in order to obtain the dye. * Fraxinus quadrangulata ( Blue Ash ) is a species of Fraxinus native primarily to the Midwestern United States , as well as the Bluegrass region of Kentucky and the...

The stems grow slowly and often tightly together, eventually reaching 2-5 m tall with a trunk diameter of 20-25 cm. The whole leaf can be used in weaving. Plants grow in poor dry soils in the wild.

* Its natural habitats are dry forests and low shrublands. It is threatened by habitat destruction, mainly due to introduced grazing mammals. * Canavalia pubescens, commonly known as ʻawikiwiki or Lavafield Jack-bean, is a species of flowering plant...

* Its natural habitats are dry forests and low shrublands. It is threatened by habitat destruction, mainly due to introduced grazing mammals. * Canavalia pubescens, commonly known as ʻawikiwiki or Lavafield Jack-bean, is a species of flowering plant...

The bark is ground into a powder and then steeped in water in order to obtain the dye. * Fraxinus quadrangulata ( Blue Ash ) is a species of Fraxinus native primarily to the Midwestern United States , as well as the Bluegrass region of Kentucky and the...

* Of symmetrical conical habit; needles stiff, often twisted, dark green, to 7"; cones 2-4 1/2"; native to California, where it is used ornamentally. * The Bishop Pine ( Pinus muricata ) is a pine with a very restricted range: mostly California , USA...

* Habitat and Range: sandy, gravelly, or rocky slopes, often growing in areas underlain by limestone bedrock. * The bark is cathartic, febrifuge and tonic. The roundleaf dogwood is also a temperate, northeastern North American species that occurs throughout...

* Habitat and Range: sandy, gravelly, or rocky slopes, often growing in areas underlain by limestone bedrock. * The bark is cathartic, febrifuge and tonic. The roundleaf dogwood is also a temperate, northeastern North American species that occurs throughout...

Prune in early spring. Can be grown as a hedge. * Easily grown in average, medium, well-drained soil in full sun to part shade. Also tolerates some drought. Tolerates wide range of soils, including dry rocky or sandy soils.

Prune in early spring. Can be grown as a hedge. * Easily grown in average, medium, well-drained soil in full sun to part shade. Also tolerates some drought. Tolerates wide range of soils, including dry rocky or sandy soils.

They can be found at an altitude of 0–1,850 metres (0–6,070 ft). * Hippocrepis emerus reaches on average 50–150 centimetres (20–59 in) of height, with a maximum of 200 centimetres (79 in).

They can be found at an altitude of 0–1,850 metres (0–6,070 ft). * Hippocrepis emerus reaches on average 50–150 centimetres (20–59 in) of height, with a maximum of 200 centimetres (79 in).

* Rue has a long history of use as a domestic remedy, being especially valued for its strengthening action on the eyes. * The Common Rue ( Ruta graveolens ), also known as Herb-of-grace , is a species of rue grown as a herb .

* Rue has a long history of use as a domestic remedy, being especially valued for its strengthening action on the eyes. * The Common Rue ( Ruta graveolens ), also known as Herb-of-grace , is a species of rue grown as a herb .

* Lawson's Pine (Pinus lawsonii) is a species of conifer in the Pinaceae family. * Climate is warm-temperate to temperate with 600-1500 mm annual precipitation and a November to May dry season.