When To Plant Sunflowers With Autumn Beauty?

Autumn Beauty sunflowers are a visually stunning variety of the common sunflower, known for their richly hued flowers in shades of red, orange, yellow, and bronze. They typically take around 70-90 days from planting until they reach maturity and begin blooming. Growing conditions for these sunflowers are warm, hot, and require rich soil for good growth. They prefer full sun, though they can tolerate light shade. To grow them, seeds should be planted directly outdoors after the last frost, with 0.8 cups of water every 9 days when not getting direct sunlight.

Sunflowers can be started indoors 3 to 4 weeks before the last spring frost or directly-sow seeds outside after all danger of frost has passed to a depth of 1/4 inch. Germination usually occurs within 10-14 days, and they can be grown year-round in Zones 9 and 10, but are most happy in the warm season.

To plant Autumn Beauty sunflower seeds, space them 6 inches apart and keep them slightly moist until germination. Germination takes 7-14 days at 70-75°F (21-24°C), with ideal soil temperatures of 70-75ºF. Giant varieties should be planted 20-24 inches apart.

Autumn Beauty sunflower seeds are easy to grow, and they can be planted directly in the garden in late spring or early summer to allow roots to grow uninterrupted. Keep the seeds moist until germinating in 10-14 days, and space them in a full sun location 6-24 inches apart depending on the variety.


📹 Autumn Beauty Sunflower


How tall do autumn beauties get?

Sunflowers, which can attain heights of 5 to 7 feet, are renowned for their aesthetic appeal and can reach 10 feet in height. They flourish in soil of high fertility, preferring full sunlight but demonstrating some tolerance to light shade. Taller varieties require shelter from wind and should be situated in locations that will not result in the casting of unwanted shade on other plants.

When to plant autumn beauty?

The Lemon Queen sunflower (Helianthus annuus) is a perennial plant that produces seeds from mid-summer to fall. Once the threat of frost has receded, seeds should be sown directly into weed-free, loosened seed beds.

Is autumn beauty sunflower branching?

The sunflower “Autumn Beauty” is a taller, branching variety that produces a variety of autumn shades, including red, yellow, gold, orange, russet, and burgundy. It is a particularly attractive border flower and an excellent choice for cutting.

Should I soak sunflower seeds before planting?

Soaking seeds before planting is a common method to improve germination, as seeds have a hard outer layer to protect themselves from insects and diseases. Soaking them in water softens the hard seed coat, exposing the embryo to moisture and promoting growth. Sunflower seeds don’t need to be soaked, but soaking them for 12 to 24 hours can hasten germination and increase the number of sprouts. To grow sunflowers outdoors, cover the planting area with finished compost or aged manure, then work it into the ground, loosening the top 12-18 inches of soil. This loose soil allows the sunflower’s long taproot to grow easily and improves water infiltration.

What are the smallest sunflowers?

The “Elf” sunflower, which is regarded as the shortest of its kind, produces long-lasting, bright golden flowers on 16-inch stems. This variety is well suited to children’s gardens or low borders, and it attracts a variety of Lepidoptera.

Are sunflowers spring or summer?

Sunflowers bloom during summer and autumn, with annual sunflowers blooming for a few weeks and perennial sunflowers lasting 8-12 weeks. To plant, sow seeds outdoors after frost has passed, or indoors if short-lived. Perennial sunflowers should be planted in spring or fall. Seed spacing varies, with giant sunflowers 2 to 3 feet apart, and smaller annual types 6 inches apart for cut flower gardens. Both types provide non-stop flowers until the first frost.

Do sunflowers grow faster at night?

Young sunflower stems grow more at night, bending eastward, while during the day, the stem’s east side grows, causing a swaying motion to the west. As sunflowers mature, their growth slows down, and older plants settle on facing east. This orientation gives the flower a head start on warming up, which attracts more pollinating insects like bees. Researchers found that stationary blooms attracted upwards of five times more pollinators when compared to mature flowers facing west all day.

Is autumn best time to plant?

The mid-autumn period is an optimal time for planting due to the absence of stressors, which allows new plants to flourish and experience minimal transplant shock. This makes it an ideal time for gardening.

What is the best temperature to plant sunflowers?
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What is the best temperature to plant sunflowers?

Sunflowers thrive in temperatures between 70-78°F (21-26°C), but can survive higher temperatures with adequate water. They can grow in cool, sunny climates but cannot survive exposure to temperatures below 26 to 23°F for 6 hours. Choosing the right field with proper sunlight and temperature is crucial for healthy crop growth. EOSDA Crop Monitoring allows farmers to assess potential using daily temperature data and past active temperatures.

Sunflowers can grow in various soil types, but optimal yields are achieved on neutral soils with a pH between 6. 5 and 7. 5 and adequate drainage. If the soil pH is below 5. 5, lime can be added. The best soil for sunflowers is sandy loam, but clay loam or silty clay can be used.

Can sunflowers get too much sun?

The common sunflower, a species of great botanical significance, is susceptible to wilting as a result of prolonged exposure to elevated temperatures and ultraviolet radiation during the summer months. To prevent excessive heat, it may be beneficial to cover the plants with a green shaded net, particularly during the summer months, in order to protect the leaves and flowers.

What is the coldest temperature sunflowers can tolerate?
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What is the coldest temperature sunflowers can tolerate?

Sunflower heads turn yellow as they grow, reducing frost damage risk. At the R7 stage, sunflowers can withstand temperatures as low as -4°C with minimal damage. A frost duration of 6 hours or more below 25°F can cause damage, resulting in losses in yield, test weight, reduced oil content, and discolored seeds. Stage R8 occurs when the backs of the flower heads are completely yellow but the bracts remain green. Frost damage at this stage may result in some reduction in yield, test weight, and oil content, but most seeds are marketable.


📹 Planting Autumn Beauty Sunflower

May 1st 2021. I started these Autumn beauty sunflowers from seed a few weeks ago and they are ready to be planted in my …


When To Plant Sunflowers With Autumn Beauty
(Image Source: Pixabay.com)

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