Sunflowers are heavy feeders, so the soil needs to be nutrient-rich with organic matter or composted (aged) manure. Or, work in a slow-release granular fertilizer 8 inches deep into …

The common sunflower (Helianthus annuus) is a species of large annual forb of the daisy family Asteraceae.The common sunflower is harvested for its edible oily seeds, which are often …

Aug 26, 2024 · Types of Sunflowers . H. annuus 'Russian Giant' can reach up to 12 feet tall and has a classic-looking flower. H. annuus 'Teddy Bear' reaches about three feet tall and has …

Apr 14, 2020 · Sunflowers are some of the best types of flowers you should have in your garden.With more than 70 different varieties, these annual plants come in tons of different …

Sunflowers are sun worshipers that grow best in spots that get six to eight hours of direct sun per day. They have long tap roots that need to go several feet into the ground, so sunflower plants …

Jan 11, 2025 · Sunflower, genus of nearly 70 species of herbaceous plants of the aster family. Sunflowers are native primarily to North and South America, and some species are cultivated …

Apr 25, 2024 · Aside from relying on Mother Nature, planting a beautiful patch of sunflowers is one of the easiest and most satisfying ways to add some sunshine to your outdoor space! This …

Sunflowers are native to North America and were cultivated by Native Americans as a source of food and oil. Sunflowers are an important food source and habitat for birds and other wildlife, …

My sunflowers have black spots on the leaves. Black spots on sunflower leaves are most likely caused by sooty mould. Sooty mould forms on honeydew, a sugary substance excreted by …

Jun 14, 2023 · Sunflowers can tolerate slightly chilly but sunny conditions. They can also withstand high humidity, but they require well-draining soil and adequate air circulation to …