Beth, you don't say where you live. Bougainvillea needs plenty of heat during the day and mild nights to bloom. It's tropical plant. If you live in a cooler climate, plant it in a large container, place it in full sun facing south and mulch the soil in the container with white pebbles or turkey grit (crushed oyster shells). The white mulch gathers heat and reflects it upward to the plant leaves, plus heating the soil. You could even try an aluminum foil mulch!
Beth, you don't say where you live. Bougainvillea needs plenty of heat during the day and mild nights to bloom. It's tropical plant. If you live in a cooler climate, plant it in a large container, place it in full sun facing south and mulch the soil in the container with white pebbles or turkey grit (crushed oyster shells). The white mulch gathers heat and reflects it upward to the plant leaves, plus heating the soil. You could even try an aluminum foil mulch!