It has light, bright, lemony-yellow rays of a crinkly texture and a disc that is a chocolate brown shade.

If you want great height and huge flowers, a variety like Paul Bunyan is a good choice. It can produce flowers that are 18-24-inches in diameter and reach heights of 15-18 feet! Crazy. Watering and maintenance: Keep the soil consistently moist but not waterlogged during the germination phase, which typically takes 7 to 10 days. Once established, sunflowers are generally drought-tolerant, but regular watering is beneficial, especially during dry spells. Water deeply at the base of the plants rather than overhead to prevent foliar diseases. Apply a layer of mulch around the base of the plants to help retain soil moisture and suppress weed growth. Most of all though, it’s the very large flowers, their uncomplicated daisy-like form, the brilliant yellow colour, and their height that make sunflowers so attractive. Growing giant sunflowers in pots can be a rewarding experience, offering a striking visual display. However, it can be challenging, given the size these plants can reach. Here are some common questions from gardeners about growing Mammoth Sunflowers: How fast does the Mammoth Sunflower grow?These flowers are truly made for titans, having a mind-boggling width of nearly 50cm. 8) H. annuus‘Giraffe’

Another towering sunflower variety, the Mongolian Giant also lives up to its name and reputation. The huge plant grows as tall as 14 feet, producing a single flower per plant. The massive flower is between 14 and 18 inches across and typically takes about 90 days to bloom. The flowers last four to six weeks before losing their petals. Their huge seed heads attract birds and animals. Humans also enjoy their seeds. It is of a branching type and shows off its incredible, one-of-a-kind flowers nearly all summer long. 17) H. annuus‘Sunbelievable Brown-Eyed Girl’ It grows up to 2.5 – 4 meters in height within a year. It has heart-shaped or oval, hairy green leaves. They bloom in the summer with a disk that is 12 inches or 30 centimeters in diameter and has a brown color in appearance. [1] Cultivation [ edit ]

Caring for sunflowers

Pacino’– 12 to 16 inches tall Potted sunflowers make excellent patio decor, but don’t expect them to grow very tall. 2. Enrich the soil before planting and keep it well-fed.

Drying the flower heads: Hang the harvested flower heads upside down in a dry, well-ventilated area. This allows them to dry naturally. Once completely dry, the seeds can be gently rubbed off the flower head. Overwatering or Poor Drainage: Sunflowers prefer well-draining soil and can be susceptible to root rot if the soil is waterlogged. Ensure proper drainage by amending the soil with organic matter or growing sunflowers in raised beds. Water the plants deeply but infrequently, allowing the soil to dry out between waterings. Of an intermediate height of 1.8m, what distinguishes ‘Copper Queen’ from the others on this list is the colour of its rays – they are out-and-out orange. Some species, such as Helianthus pauciflorusand H. salicifolius, prefer dry soil, while H.× laetiflorus and H. multiflorus thrive in moist or damp soiland like growing near water Step one is to provide nice, loamy soil. My garden soil is terrible, so I add loads of homemade compost to the soil to gradually build it up each year.Plant seeds between March and May for best results and ensure the plants are directly sown in locations with full sun. Florist Sunflowers This sunflower gets its name from its unique height – it can grow up to 12-14 feet tall! The blooms of the ‘Giraffe’ are striking, with bright yellow petals and a dark center. 5. Kong Sunflower This is a unique variety of giant sunflower that produces stunning, bi-colored blooms. It can grow up to 8-10 feet tall and produce heads that are up to 10 inches wide. Find Are Sunflower Perennials here 12. Sunzilla Sunflower

If you’re hoping to grow giant varieties that will take the cup at the village show, one of the tallest sunflowers is ‘ High Hopes’. At 4.5m high, it towers over all other flowers in the garden from July to October. There are more than 70 different sunflower varieties available. Some dwarf varieties only grow 20 or 30cm high, while the tallest sunflowers can top 3m or more. Here are a few of our favourites: Giant sunflowers The Velvet Queen Sunflower is a beautiful variety that produces deep burgundy petals with a dark center. It can grow up to 8-10 feet tall with 9-12 inches wide heads. Explore the Best Sunflower Companion Plants here Diseases: Sunflowers are usually resilient to diseases, but certain fungal infections can occur under specific conditions. Botrytis (gray mold), powdery mildew, and downy mildew are some common diseases that can affect sunflowers. Ensure good air circulation around the plants, avoid overhead watering, and promptly remove any infected plant parts to minimize the risk of disease spread. In severe cases, you may use appropriate fungicides following the instructions on the product label.

If you’ve never grown a sunflower, now’s the time to start. And with so many beautiful varieties available, the only difficulty about growing sunflowers is choosing which one to grow. Fascinating facts about sunflowers If you get uninvited deer guests to your garden, you should know that they might be attracted by the crunchy seed heads before they ripen and dry. In this case, you should plant your sunflowers in a fenced-in spot. 8. Stake your sunflowers early in the season.