Home Depot (Plano locations) and Lowe's (East Plano and Allen locations) accept CFLs. Recycle Revolution (Dallas) will accept CFLs for a small fee.
IKEA (Frisco store) also has a CFL collection / recycling program available to the general public. Individuals can take their bulbs (no limit and no required packaging) to either the Returns Desk or the "As Is / Clearance" area.
Batteries Plus and Batteries Plus Bulbs stores collect incandescent, CFLs and LEDs for recycling.Click here for more information!