Even if you have a small outdoor space, it doesn't mean that your plants need to make a small impact. Pick these tall options ...

Best grown in US hardiness zones 3 to 8, these plants will reach a height of 3 to 5 feet tall. Besides offering long-lasting color, resist cutting these robust perennials down when they fade.

Tall coreopsis, (Coreopsis tripteris), is a beautiful native plant and a symbol of summer in Ohio. This herbaceous perennial is easily grown from seed and one of the few flowers mostly known by ...

Next in popularity as a landscape and container subject is K. thyrsiflora, sometimes called "flapjack plant." A cold-hardy species up to 4 feet tall, it demands bright light and well-drained sites.

It is a tall plant, 6 to 7 feet tall for me. The flowers are lilac-rose-colored spikes and quite striking. But no one had them for sale in the States.

Plant Doctor Tom MacCubbin gives advice about gardening in Florida for growing sunflowers, bananas, roebelinii palm, apples, azaleas, tree roses, gardenias and bahia grass ...