One-thousand fruits of Calamus latifolius weigh 1,903 g. and 1,000-seed weight of C. latifolius is 30 g. Fresh Fruits of C. latifolius had moisture content of 68.5% after 14-day air dry had 40.9%. The moisture content of fresh seeds is 25.4%. After 14-day air dry and 6 months of storage respectively. Both sand and rice husk ash were suitable germination media for C. latifolius giving germination of 24% and 23%, respectively. Removal of pericarp and pulp of C. latifolius fruit appeared to be the most suitable seed processing technique giving germination percentage of 27%. Soaking seed in hot water for 24 and 36 hours seemed to be the most effective pretreatment method, which yielded maximum germination of 52% and 53%, respectively. Using an airtight-sealed plastic bag, Seeds of C. latifolius could be stored for 8 months under 10 ํC storage condition. Quick viability assessment of C. latifolius seed using tetrazolium test yielded approximately 2% higher germinability than that of direct germination test. Although x-radiography could be used to observe internal structure of C. latifolius seed, the technique could not be used for viability test for C. latifolius seed. Similarly, hydrogen peroxide test could not be used for quick viability assessment for C. latifolius seed.