From our perspective, the foundation of our health begins underground. We require a container that provides ample space for our root systems to expand and excellent drainage to prevent waterlogged conditions, which are fatal to us. A pot that is at least 12 inches deep and 12-18 inches wide is ideal for most standard varieties. Ensure the container has multiple drainage holes. We are sun-worshippers and demand a location that receives a minimum of 6-8 hours of direct, unfiltered sunlight daily. Without this intense light, we become leggy, weak, and produce fewer of the vibrant blooms you desire.
We refuse to grow in heavy, dense garden soil. It compacts in containers, suffocating our roots and leading to disease. We thrive in a lightweight, well-draining premium potting mix. These mixes are specifically formulated to provide the perfect balance of moisture retention and aeration. Furthermore, we are heavy feeders, especially during our prolific blooming period. To support this energy-intensive process, mix a slow-release granular fertilizer into the potting medium at planting time. Then, throughout the growing season, provide us with a balanced liquid fertilizer every 4-6 weeks to ensure a continuous supply of nutrients for robust growth and flower production.
You can start our life cycle either by sowing our seeds directly into the container after the last spring frost or by transplanting young seedlings. We find direct sowing less stressful as it avoids root disturbance. Plant our seeds about ¼ inch deep and water gently. For a fuller display, you can thin the strongest seedlings to stand 6-12 inches apart, depending on our mature variety's expected size. If transplanting purchased seedlings, handle our root balls with care. Plant us at the same depth we were growing in our nursery pots, firm the soil gently around the base, and water thoroughly to settle our roots into their new home.
Our watering needs are consistent but specific. We prefer deep, infrequent watering that moistens the entire root zone rather than light, daily sprinkles. Check the soil moisture daily; when the top 1-2 inches feel dry, provide a thorough drink. Always water at the base of our stems to keep our foliage dry and prevent powdery mildew. To encourage us to keep producing flowers, a practice known as deadheading is crucial. Once a flower head begins to fade, snip the stem back to the nearest set of leaves. This signals to us to redirect our energy from seed production into creating new blooms, extending our display until the first fall frost.