Species sunflower
Orange flower with green leaves.

sunflower

Helianthus annuus 'Sungold'

Sunflower (Helianthus annuus 'Sungold') is an annual plant with an iconic daisy-like bloom. Its bright yellow petals and dark center give it a striking appearance. Growing up to 5 feet tall, it can be an eye-catching addition to any garden. 'Sungold' is an especially vibrant variety, with golden petals surrounding a chocolate-brown center. This sun-loving plant is noticeable due to its upright habit and skyward blooms. In addition to its beauty, it has a rich history and is widely cultivated for its edible seeds. With a little care and attention, 'Sungold' sunflower is an ideal addition to any sunny spot in the garden.

Cycle:

Annual

Watering:

Minimum

Propagation:

Seed Propagation,Cutting,Division,Layering Propagation,Grafting Propagation

Hardiness Zone:

2 - 11

Flowers:

Yellow (double) Flowers

Sun:

Full sun

Leaf:

Yes

Leaf Color:

gold,green

Growth Rate:

High

Maintenance:

Low

Drought Tolerant:

Yes

Care Level:

Medium

watering

Sunflower (Helianthus annuus 'Sungold') plants require watering every 3-4 days in warm weather and every 6-7 days in cooler weather. During the summer months when the temperatures are higher, it is best to water the plant slowly and deeply, making sure to soak the soil all the way through. During the cooler months, water the plant just enough to keep the soil slightly damp. Pay attention to the condition of the soil; if it feels slightly dry, water the plant. Always monitor your plant for signs of overwatering, such as yellowing leaves or stunted growth.

sunlight

Sunflower (Helianthus annuus 'Sungold') requires full sunlight for at least 6 to 8 hours of direct sunlight per day. The best time of day for sunflower to receive sunlight is between 9 am and 6 pm, when the sun is highest in the sky. Morning sunlight is especially important, as this helps the soil warm up quickly and the sunflower can start collecting energy from the sun early in the day. It can even benefit from late-afternoon sun as long as the sunlight is unobstructed and bright. However, too much direct sunlight can be damaging, so avoid putting the plant in an area that gets extended periods of intense light. Also, avoid planting it in a location that’s shaded by trees or buildings.

pruning

Sunflowers (Helianthus annuus 'Sungold') should be pruned soon after flowering when the plant is approximately 1 metre tall. Pruning should involve cutting the stem back to about 15-20cm from the base, leaving the foliage intact. This will encourage bushier growth, promote a more abundant and prolonged flowering period, as well as helping to improve the plant's overall health. Additionally, sunflowers should be lightly pruned when required throughout the growing season. This can be done by trimming any dead, damaged, or diseased stems as well as any stems that are growing outside of the plant's natural shape.

Season

Fall
Winter
Spring
Summer
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Starts Flowering

Sunflowers typically begin flowering in late July or early August.

Hardiness Map

FAQ

Are sunflower seeds edible?

Yes, sunflower seeds are edible and are enjoyed around the world. Sunflower seeds have a nutty flavor and can be eaten either raw or roasted. Popular forms of eating sunflower seeds include tossing them in salads, sprinkling them in stir fry dishes, using them as an ingredient in baked goods, and snacking on them as a healthy and tasty snack. Sunflower seeds are available both with and without their shells, depending on the preference of the consumer.

Are there any pests that commonly attack sunflowers?

Yes, there are several pests that commonly attack sunflowers, such as European corn borer, aster leafhoppers, cabbage loopers, and potato leafhoppers. These pests can all cause significant damage to the plant, such as wilting of the leaves, stunted growth, and loss of petals. Preventative measures, such as proper maintenance and pesticides can help reduce their numbers and damage to the sunflowers.

Are sunflowers an annual or perennial plant?

Sunflowers are an annual plant, meaning they will only live for one growing season. This typically falls within the summer months as sunflowers will reach maturity within two to three months after planting. They will typically flower and then die off before the following season, making them an annual plant.

Could sunflowers grow in a greenhouse or indoor garden?

Yes, sunflowers can be grown in a greenhouse or indoor garden. Sunflowers require bright, direct light, but if a greenhouse or indoor garden is equipped with special lighting, sunflowers can grow successfully. When growing them indoors, it is important to ensure that the soil is well-drained and that they are getting the appropriate amount of light, water and nutrients. When the conditions are right, even the tallest varieties of sunflowers can be successfully grown indoors.

Should sunflowers be planted in the spring or fall?

Sunflowers should be planted in the spring, as soon as the last frost has passed and the soil is warm. Planting in the spring ensures that your sunflowers get plenty of heat and sunshine to spur growth and yield beautiful blooms. In more northern climates, however, you might need to stagger your planting dates over the spring so that they are not all exposed to extreme cold.

How long does it take for a sunflower to bloom?

Sunflowers have a relatively short blooming season, typically lasting only a few weeks. After pollination, the flower buds will typically form within 5-10 days and open up within 8-12 days. This means a sunflower can take anywhere between 8 and 20 days to bloom after pollination. Factors such as genetics, soil temperature, and light availability can influence the amount of time it takes a sunflower to bloom.

Do sunflowers attract bees and butterflies?

Yes, sunflowers are very attractive to bees and butterflies. Sunflower petals offer a generous amount of nectar, providing an excellent food source for these pollinators. Sunflowers also offer protection from predators and the elements for the bees and butterflies. The bright yellow color of the sunflower petals are also visually appealing to these insects, drawing them in from miles away!

Is the sunflower a symbol of happiness?

The sunflower is often associated with happiness and joy, usually because of its bright yellow petals and attractive appearance. Sunflowers can also be seen as symbols of loyalty and warmth, as they have a tendency to always follow the sun and turn towards the light. The sunflower is often used as a representation of faith or loyalty, and its natural beauty can provide us with a sense of joy and optimism.