Seeds of sunflower (Helianthus annuus L. cv. Morden) lost potentiality rapidly under accelerated ageing situation. Seeds treated with aqueous solution 1:20 (W/V) of two very important medicinal plants of leaf extract of Asteracanthus longifolia Nees. (Acanthaceae) and tuber extract of safed musli (Chlorophytum borivilianum Sant. et Fernand, Liliaceae) for 8 h preceding accelerated ageing treatment, (99.5% relative humidity and 32±2^oC) for diverse periods (0 to 45 days) slowed down the ageing-influence quick damage of germination and reduced the time required for 50% seed germination (T₅₀). TTC stainability was maintained to a considerable extent in seeds, which received, pretreatment with the indigenous plant extracts. The reduction of protein and insoluble carbohydrate levels as well as catalase and dehydrogenase enzyme activities of the seed kernels during forced ageing period was ameliorated to a significant extent in the plant extracts pretreated seed lots of sunflower. On the other hand, ageing-induced progressive increase of levels of soluble carbohydrates and amino acids in control samples were remarkably arrested in seed lots pretreated with all the plant extracts. Considering the changes of all the biochemical parameters, the treatments were found to be effective for enhancing the storage potential with concomitant extension of viability of sunflower seeds. There have a lot of chemicals which was used for the purpose of seed viability extension but our pretreated agents are absolutely herbal and it is a modern research in indigenous technology to make the environment cleaned.