This is a Sources Sought notice to gauge market capability for a potential future contract; it is not a formal solicitation. The government is considering a five-year Indefinite Delivery/Indefinite Quantity (IDIQ) contract with an estimated ceiling of $6 million for the collection, propagation, and large-scale transplanting of specific native vegetation. The work must be performed at various Conservation Areas within the Bureau of Reclamation's Lower Colorado Basin region. Key contractor requirements include maintaining a large, controlled greenhouse facility, demonstrating the ability to plant up to 150,000 trees in a season with a 95% survival rate, and performing work in remote locations under adverse conditions. Interested businesses should submit a capability statement for planning purposes.