Lemongrass HerbaZest Plant Physiology and Food Production Plant physiology is the study of how plants function, focusing on processes like photosynthesis, respiration, and nutrient uptake. Plants manufacture their own food through photosynthesis, which occurs Gooseberries in the polytunnels! Gooseberry Bush, Hinnomaki Red Produces very large red juicy and flavourful gooseberries, with resistance to mildew. It has good vigour and will set heavy crops. A highly Amway's Nutrilite All Plant Protein Powder