Table 3.
Wall growing crops suitable for terrace base and edges.
| Crop Type | Common Name | Scientific Name | Uses/Purpose | 
|---|---|---|---|
| Wall Base Crops | Black pepper | Piper nigrum L. | Dried fruits used as spice and seasoning. | 
| Bottle gourds | Lagenaria siceraria var. Hispida (Thunb.) H. Hara | Fruit used as vegetable. | |
| Broom grass | Thysanolaena maxima (Roxb.) Kuntze | Flowers are used as cleaning tool or broom; shoots are used as fuel and fodder during lean periods. | |
| Cardamom | Elettaria cardamomum (L.) Maton | Seeds used as highly aromatic spice. | |
| Chayote | Sechium edule (Jacq.) Swartz | Fruit, leaf tip, and tuber used as vegetables; prolific; one plant produces ~250 kg of fruit and 20–25 kg of root/tubers (SAKNepal, 2017). | |
| Pumpkin | Cucurbita pepo L. | Fruit and leaf tips consumed as vegetables; wider leaves cover ground surface. | |
| Rose | Rosa spp. | Mostly used as cut flowers; also used to make oil, water/syrup, and essence. | |
| Sponge Gourds | Luffa cyclindrica L. | Fresh fruits used as vegetable. | |
| Vetiver | Chrysopogon zizanioides L. | Drought and frost tolerant hedge crops; deep, strong and fibrous root system bind with the earth making the underground wall strong; the above ground cover slows or stops surface runoff. | |
| Yam | Dioscorea spp. | Starchy tuber vegetables; shoots cover vertical slopes; one plant produces 10–15 kg of tubers (SAKNepal, 2017). | |
| Wall Edge Crops | Blackgram | Vigna mungo (L.) Hepper | Native bean of India, dried and split seeds used as a pulse; leaves and seed husks used as animal feed. | 
| Cowpea | Vigna ungiculata (L.) Walp. | Annual vine/bush type legume; fresh pods and seeds consumed as vegetables; plant biomass used as animal feed. | |
| Horsegram | Macrotyloma uniflorum (Lam.) Verdc. | Annual legume, dried seeds used as a pulse or cattle feed; leaves and seed husks used as animal feed. | |
| Napier grass | Pennisetum purpureum (L.) Schumach. | Perennial tropical grass with low water and nutrient requirements; high biomass production; can be harvested 4–6 times per year. | |
| Pigeon pea | Cajanus cajan (L.) Millsp. | Drought resistant perennial legumes; young seeds are consumed fresh as a vegetable and dried seeds as a pulse; leaves and seed husks used as animal feed. | |
| Rice bean | Vigna umbellate (Thunb.) Ohwi and Ohasi | Warm season annual vine legume with edible beans used as vegetable; prolific. | |
| Soybean | Glycine max (L.) Merr. | Annual legume, fresh pods and seeds consumed as vegetable; seeds also processed for their oil and protein for the animal feed industry. |