Aloe aristata - Aloe - Perennial Succulent - Keep dry in winter and place in a well-drained location in sun.  Will recover from underground stems after severe freezes if it does not rot.

Aloe aristata X Aloe variegata - Aloe - Perennial Succulent - Keep dry in winter and place in a well-drained location in sun.  Will recover from underground stems after severe freezes if it does not rot.

Aloe branddraaiensis - Aloe - Perennial Succulent - Another of the maculate aloes.  Keep dry in winter and place in a well-drained location in sun.  Will recover from underground stems after severe freezes if it does not rot.

Aloe camperi - Includes plants formerly known as: Aloe eru, Aloe eru var. cornuta, Aloe camperi 'Cornuta' - Aloe - Perennial Succulent - An Ethiopian aloe which survives lows in the upper teens.  Keep dry in winter and place in a well-drained location in sun.  Will recover from underground stems after severe freezes if it does not rot.

Aloe dyeri - Aloe - Perennial Succulent - Another of the maculate aloes.  Keep dry in winter and place in a well-drained location in semi-shade.  Will recover from underground stems after severe freezes if it does not rot. 

Aloe greatheadii - Aloe - Perennial Succulent - Another of the maculate aloes.  Keep dry in winter and place in a well-drained location in sun.  Will recover from underground stems after severe freezes if it does not rot.

Aloe greatheadii var. davyana - Includes plants formerly known as:  Aloe davyana (Schonl.) - Aloe - Perennial Succulent - Another of the maculate aloes.  Keep dry in winter and place in a well-drained location in sun.  Will recover from underground stems after severe freezes if it does not rot. 

Aloe greenii - Aloe - Perennial Succulent - Another of the maculate aloes.  Keep dry in winter and place in a well-drained location in semi-shade.  Will recover from underground stems after severe freezes if it does not rot. 

Aloe maculata - Includes plants formerly known as:  Aloe saponaria (Aiton) Haw. - Aloe - Perennial Succulent - This, or its hybrids, is the most common of the maculate aloes cultivated in San Antonio and Austin.  Keep dry in winter and place in a well-drained location in sun.  Will recover from underground stems after severe freezes if it does not rot.

Aloe microstigma - Aloe - Perennial Succulent - Another of the maculate aloes.  Keep dry in winter and place in a well-drained location in sun.  Will recover from underground stems after severe freezes if it does not rot.

Aloe mudenensis - Aloe - Perennial Succulent - Another of the maculate aloes.  Keep dry in winter and place in a well-drained location in sun.  Will recover from underground stems after severe freezes if it does not rot.

Aloe porphyrostachys - Aloe - Perennial Succulent - The northernmost Aloe in nature.  Seed collected at its high-elevation type locality in Saudi Arabia has been the source of very cold-hardy plants.  Keep dry in winter and place in a well-drained location in sun.  Will recover from underground stems after severe freezes if it does not rot.

Aloe rubroviolacea - Aloe - Perennial Succulent - Another high-elevation Arabian aloe.  Keep dry in winter and place in a well-drained location in sun.  Will recover from underground stems after severe freezes if it does not rot.  It is recommended one take cuttings in late fall and over-winter them, unpotted, on a north-facing window-sill as insurance.  My large, old plant died during a wet El Niño winter.

Aloe saponaria - See:  Aloe maculata

Aloe schelpei - Aloe - Perennial Succulent - A high-elevation (7,700 ft.) Ethiopian aloe which survives lows in the lower twenties.  Keep dry in winter and place in a well-drained location in sun.  Will recover from underground stems after severe freezes if it does not rot.

Aloe striata X maculata - Also known as:  Aloe striata X saponaria - Aloe - Perennial Succulent - A hybrid of Aloe striata, the 'Coral Aloe', and the most common maculate aloe in cultivation.  Keep dry in winter and place in a well-drained location in sun.  Will recover from underground stems after severe freezes if it does not rot.

Aloe striatula - Aloe - Perennial Succulent - Possibly the cold-hardiest aloe, surviving 10º F.  Native to the Drakensburg (Dragon Mountains) of Lesotho.  It forms a large, multi-stemmed shrub to 6' across and 
bears spikes of yellow blooms with yellow-orange ends.  Keep dry in winter and place in a well-drained location in sun.  Will recover from underground stems after severe freezes if it does not rot.

Aloe vera - Includes plants known as:  Aloe barbadensis Mill. - Medicinal Aloe - Perennial Succulent - Keep dry in winter and place in a well-drained location in sun.  Will recover from underground stems after severe freezes if it does not rot.

Aloe zebrina - Includes plants known as: Aloe angustifolia Groenewald - Aloe - Perennial Succulent - Another of the maculate aloes.  Keep dry in winter and place in a well-drained location in sun.  Will recover from underground stems after severe freezes if it does not rot. 

Allium canadense - Prairie Onion - Edible Perennial

Asparagus densiflorus - Asparagus Fern - Tender Perennial

Asparagus macowanii - Soft Asparagus Fern - Tender Perennial

Asparagus officinalis - Asparagus - Edible Perennial

Asparagus officinalis 'Purple Passion' - Purple Asparagus - Edible Perennial

Asparagus virgatus - Broom Fern - Perennial

Aspidistra caespitosa - Perennial

Aspidistra elatior - Cast Iron Plant - Perennial

Aspidistra lurida - Sometimes sold as Aspidistra elatior 'Milky Way' - Spotted Cast Iron Plant - Perennial 

Aspidistra minutiflora - Perennial

Aspidistra patentiloba - Cast Iron Plant - Perennial

Aspidistra typica - Cast Iron Plant - Perennial

Chlorophytum comosum - Spider Plant - Groundcover

Convallaria -  Lily of the Valley - NOT RECOMMENDED

Hemerocallis spp.& hybrids - Daylily - Perennial

Hemerocallis X 'Stella d'Oro' - 'Stella d'Oro' Daylily - Perennial

Hosta spp. - NOT RECOMMENDED

Liriope spp. - Groundcover

Ophiopogon japonicus - Monkey Grass - Groundcover

Ophiopogon japonicus (Dwarf) - Dwarf Monkey Grass - Groundcover

Rohdea japonica - Chinese Sacred Lily - Groundcover

Tricyrtis hirsuta - Toad Lily - Perennial

Tulbaghia violacea - Society Garlic - Perennial Herb

Tulbaghia violacea (variegated) - Variegated Society Garlic - Perennial Herb

Tulipa clusiana - Lady Tulip - Bulb

Tulipa spp. & hybrids - NOT RECOMMENDED