
- Water young sunflowers daily. Sunflower seedlings need plenty of water while they're establishing themselves.
- Fertilize the sunflowers if the soil is poor. Sunflowers do not need fertilizer, and overdoing the nitrogen can create a leggy plant with delayed flowering.
- Protect sunflowers from pests. Protecting your plants against slugs and snails is especially important.
- Look out for yellow leaves. Downy mildew can be a major problem in clay or waterlogged soils. ...
- Reduce watering for mature sunflowers. Once they've developed a deep taproot, sunflowers are fairly drought-resistant.
- Stake the sunflowers in windy weather. Wind can severely damage most multi-branched varieties, as well as any sunflower over 3 ft (0.9m) tall.
What is the tastiest sunflower seed to eat?
While there are now dozens of varieties of sunflowers to choose from, you should find one that is a confectionery sunflower seed or a non-oil seed. These tend to be the large black and white striped seeds. These are the tastiest seeds for human consumption.
How do you take care of a sunflower seedling?
Caring for Sunflowers. While the plant is small, water around the root zone, about 3 to 4 inches from the plant. To protect the plant, it may help to put snail or slug bait around the stem. Once the plant is established, water deeply though infrequently to encourage deep rooting.
Can you grow sunflowers as food?
Growing Sunflowers as Food. If you have decided to try growing sunflowers as food, there are a few things that you should keep in mind. First, you need to choose the right kind of sunflower to grow. While there are now dozens of varieties of sunflowers to choose from, you should find one that is a confectionery sunflower seed or a non-oil seed.
What are the best Sunflowers for bird feeders?
'Italian White' sunflowers are 4-foot-tall plants with creamy white flowers that produce great seeds for the bird feeder.
See more

What is the best fertilizer for sunflower plants?
Common fertilizers containing nitrogen, phosphorus, and potassium will work well for fertilizing Sunflowers. Granular fertilizer is ideal in the spring because of the gradual release of nutrients over time. Apply a small amount of granular fertilizer to the soil before planting, if the soil is not rich in nutrients.
Do sunflowers need plant food?
Sunflowers are heavy feeders and deplete the soil more than many other crops – especially if you are growing them to reach a massive height so the nutrient supply must be replenished each season. Work in a slow release granular fertilizer – one that also contains trace minerals – about 8 in.
Is tomato feed good for sunflowers?
Yes you can. They will love the high potash content tomato feed contains and it should encourage even more vibrant blooms.
How do you help sunflowers grow?
As your sunflower begins to grow taller than you, you will need to help support the stem, by placing a cane near the stem and loosely tying the cane to the plant with string. Watch your sunflower grow and grow and grow.
Are coffee grounds good for sunflowers?
The high level of nitrogen in coffee grounds makes it a good fertilizer for your sunflowers. Asides from nitrogen, coffee grounds also contain potassium and phosphorus which are essential nutrients and thus, making them an excellent fertilizer for your sunflower.
When should I put fertilizer on my sunflowers?
Fertilizer Types Granular fertilizer is ideal in the spring due to a slow release of nutrients over time. Work in a little granular fertilizer into the soil prior to planting, if the soil is not rich in nutrients. A water-soluble fertilizer can be used once the sunflower has become more mature.
Is Tomorite good for sunflowers?
Watering and feeding. Obviously you want to grow a huge sunflower, so you need to make sure it never runs out of water, and is fed well with a good fertiliser such as Growmore or Tomorite.
How often should sunflowers be watered?
Although sunflowers require a lot of water to germinate, they only require an inch of water per week during the growing season. Use a watering nozzle to easily water once a week until the top 6 inches of soil is moist.
Is beer good for sunflowers?
Here's how it works: the acid in beer is strong enough to kill almost all garden pests, while the sugar and yeast in your most trusted tipple is rich in beneficial bacteria (think: yeast, potassium, calcium, magnesium, and phosphorus).
Can sunflowers grow in pots?
The sunflowers that are low-growing, reaching somewhere between 12 inches and three feet tall, are ideal for containers. They don't usually need any support, and you can grow one plant in a six-inch pot, or three in a gallon-size container.
How do you get sunflowers to bloom?
To grow big enough to produce flower heads, larger varieties require lots of sun, and a sheltered location. High winds can cause the tall plants to topple long before they bloom, and once they're down, they're typically done.
How do you keep sunflowers alive?
Tips for Keeping Sunflowers AliveProvide your sunflowers with at least 6 hours a day of full sun.Mix organic compost into the soil prior to planting.Add 15-5-15 fertilizer to the soil once every 4–6 weeks as they grow.Water your sunflowers three times per-week.Prevent the soil from drying out between waterings.More items...
How much sun do sunflowers need?
Sunflowers grow best in loamy soil with good drainage and neutral pH. More importantly, make sure the area gets at least six hours of full sun a day, and preferably eight or more . If the soil is poor, mix in 3 or 4 inches (7.5–10cm) of compost into the topsoil. 4.
How to protect sunflowers from slugs?
Protect sunflowers from pests. Protecting your plants against slugs and snails is especially important. You can surround your plants with slug repellent from a garden store, or make your own "beer traps" for slugs to fall in. ...
How long does it take for a sunflower to bloom?
Plan ahead based on the expected flowering time. Most single-stem sunflowers bloom 60 days after planting from seed, while branched sunflowers bloom after 90 days. ...
How many flowers are in a sunflower?
A sunflower is a magnificent plant, with as many as two thousand miniature flowers forming the central disc. Many common sunflower varieties grow quickly and resist drought and disease fairly well. Protect them from wind and pests, and you'll have a beautiful addition to your summer garden. Steps.
Do sunflowers need fertilizer?
Sunflowers do not need fertilizer, and overdoing the nitrogen can create a leggy plant with delayed flowering. If your soil is poor, add compost or slow-release fertilizer to the surface of the soil. This should help strengthen the plant without overdosing it.
Can you cut sunflowers to grow them?
The classic, yellow, single-stem sunflower usually grow quickly and easily. Sunrich and Pro Cut are good beginner options. Branching varieties produce many flowers per seed, but most grow more slowly. If you plan to cut the flowers, get a pollen-free or low-pollen variety such as Cherry Rose to avoid a sticky mess.
3. How Do I Choose a Sunflower Fertilizer?
Choosing Sunflower Fertilizer will depend on what you want them to do.
4. How Do I Fertilize Sunflower?
If you want to fertilize sunflower there are several important tips you should follow:
5. When Should I Fertilize Sunflower?
When you should fertilize sunflower depends on the sunflower you grow (annual or perennial), when the sunflower blooms, and the fertilizer you use.
6. How Often Should I Fertilize My Sunflower?
How often you should fertilize your sunflower depends on the fertilizer and soil.
7. How Do I Know if My Sunflower Need Fertilizer?
You will know if your sunflower need fertilizer if you observe one of the following:
8. What Alternatives to Fertilizers Can I Apply to Sunflower?
If you do not want to use retail or commercial flower fertilizers then you can use the below alternatives. These alternatives will not only help your plant but the soil around it:
What to do before planting sunflowers?
Gardening Know How recommends testing your soil before planting sunflowers to determine the levels of nitrogen, potassium, phosphorous and micronutrients available. Amend your soil with organic material, such as compost, to improve the fertility and tilth before planting sunflowers.
What is the best soil for sunflowers?
This is especially important if you are planting into heavy clay soil that does not drain well, as sunflowers do not tolerate waterlogged soils. Sunflowers grow best in full sun in a soil with a pH of 6.0 to 6.8.
How to make a garden bed with compost?
Turn the top 6 to 8 inches of soil with a clean, disinfected spade. Remove rocks, weeds or roots from the soil and break up any large clods of soil. Spread a 3-inch layer of compost over the loosened soil to provide some nutrients while also improving moisture and drainage in the planting bed.
Where do sunflowers come from?
Native to North America, sunflower varieties have been developed for many different purposes, and they are grown on both commercial and hobby levels. According to Prairie Californian, sunflowers are grown for poultry and wild bird feed, oilseed, confection (for human consumption), cut flowers and decorative garden uses.
Can sunflowers be fertilized?
How to Fertilize Sunflowers. Sunflowers (Helianthus spp.) come in both annual and perennial varieties and are grown for their attractive flowers and edible seeds, but too much sunflower fertilizer, especially nitrogen, can result in few blooms .
Do sunflowers need water?
Sunflowers are easy to grow, are affected by few pests and rarely require further fertilizer during the growing season. If you are growing annual sunflowers in a rich, loamy soil, you may not need to provide anything more than water during the growing season for a bountiful crop of blooms.
Can you fertilize sunflowers with nitrogen?
Applying too much nitrogen to annual sunflowers can cause them to grow very tall with lots of foliage and few flowers. However, perennial sunflower varieties, such as Helianthus maximiliani, benefit from annual fertilization.
What are black sunflower seeds used for?
Some varieties produce small black seeds that are used in cooking oil, margarine, cosmetics, and animal feed; they are the best sunflower seeds for attracting the greatest variety of songbirds. The bigger, striped seeds are grown for snacking and as an ingredient in bread and health foods.
How to remove seeds from a sunflower?
Lie the sunflower head on a flat, clean surface and grab a bowl to hold the seeds. To remove the seeds, simply rub your hand over the seeded area and pull them off the plant or you can use a fork. Another way to remove them is to rub the head of the sunflower across an old washboard or something similar.
How many grams of protein are in sunflower seeds?
Just one ounce of sunflower seeds contains about 6 grams of protein and 14 grams of oils. The fats are almost entirely unsaturated with 9g of polyunsaturated and 3g of monounsaturated fats per ounce ( NSA ). The oil is high in linoleic acid and is a good source of vitamin E.
What is the meaning of heliotropism in sunflowers?
Sunflowers are heliotropic, which means that they turn their flowers to follow the movement of the Sun across the sky east to west, and then returns at night to face the east, ready again for the morning sun. Heliotropism happens during the earlier stages before the flower grows heavy with seeds.
How long do sunflowers last?
Harvesting flowers during middle of the day may lead to flower wilting. Handle sunflowers gently. The flowers should last at least a week in water at room temperature. Arrange sunflowers in tall containers that provide good support for their heavy heads, and change the water every day to keep them fresh.
What do sunflowers symbolize?
Some cultures see sunflowers as a symbol of courage . Sunflowers were not only used for cooking by Native Americans, but also for healing (the oil was used to cure skin ailments) and making clothing (yellow dye was made from the flower petals and black or blue dye from the seeds).
How long does it take for a sunflower to grow?
A fairly fast-growing flower for their size, most sunflower varieties mature in only 80 to 95 days. The largest sunflower varieties grow to over 16 feet in height, while smaller varieties have been developed for small spaces and containers and rarely grow larger than a foot tall!
What is the best sunflower seed?
Wonderful new sunflower varieties come out every year. Here are a few standouts : 1 'Russian Giant' has a single yellow flower that can be as much as 20 inches across. Growing 10 to 12 feet tall, this is a great variety for seed production. 2 'Teddy Bear' is a great dwarf variety with a fluffy flower head, growing 1 to 2 feet tall. It works well in containers. 3 'Giant Sungold' is a taller version of 'Teddy Bear' that grows up to 5 feet tall. 4 'Autumn Mix' sunflowers are tall growers (6 feet or more) that give you a rainbow of fall colors on large flower heads. 5 'Italian White' sunflowers are 4-foot-tall plants with creamy white flowers that produce great seeds for the bird feeder.
How to protect sunflowers from weeds?
Mulching around your sunflowers will help with both maintaining soil moisture and weed suppression. Furthermore, wildlife is often attracted to sunflower seedlings. So it's best to protect seedlings with row covers or screening, removing the cover once the plants are 1 to 2 feet tall.
Why are sunflowers called sunflowers?
Sunflowers get their common name because the flower heads turn toward the path of the sun each day. These flowers are annuals, meaning they complete their growth cycle in one year.
How to save sunflower seeds for planting?
So if you'd like to save seeds for planting, cover the flower heads with netting to protect them from the pests. Moreover, the sunflower moth lays its eggs on the plant, and the larvae feed on the flower heads, tunneling and leaving holes in the seeds. Pesticides can help to control the moths.
What temperature should sunflowers be?
Temperature and Humidity. Optimal temperatures for growing sunflowers are between 70 and 78 degrees Fahrenheit. But they are tolerant to high heat as long as their moisture needs are met. And they can handle somewhat chilly but sunny environments.
Why do sunflowers need to be planted in groups?
It can be helpful to plant sunflowers in groups, so they can support each other against wind and rain. Growers often have to stake their sunflowers, especially the tall varieties, to keep them growing upright. The plants can get very top-heavy when in bloom.
How tall do sunflowers grow?
Here are a few standouts: 'Russian Giant' has a single yellow flower that can be as much as 20 inches across. Growing 10 to 12 feet tall, this is a great variety for seed production.
How much sun do sunflowers need?
Next, you need to select a good place to grow your sunflowers. Sunflowers need plenty of sunlight, so make sure that the site you choose gets at least six to eight hours of sunlight a day.
What kind of sunflower seeds are good for humans?
These tend to be the large black and white striped seeds. These are the tastiest seeds for human consumption.
Why are sunflowers important?
Image by Casie Goodwin. Sunflowers have a long tradition of being grown for food. Early Native Americans were among the first to grow sunflowers as a food source, and with good reason. Sunflowers are a source of all sorts of healthy fats, fiber, and vitamin E, not to mention that they just taste great.
Do sunflowers deplete the soil?
Also, be aware that the sunflowers will deplete the soil they grow in. If you plan on growing anything else in that location (especially if you are growing the sunflowers in your vegetable garden), you will need to amend the soil after you have harvested your sunflowers.
Do sunflowers need fertilizer?
Sunflowers need lots of fertilizer. Sunflowers are also heavy feeders. Make sure the ground that you plant your sunflowers in has plenty of nutrients to support the sunflowers. If you are not sure that the place you have chosen has enough nutrients, amend the soil with either compost, well-composted manure, or fertilizer.
About Sunflowers
Composite flowers are actually multiple tiny flowers (florets) that together appear to make one single flower. This means that the flower head we call a “sunflower” is actually made up of hundreds of tiny flowers! The usually dark center of the flower is made up of several disk florets.
Propagation
First off, if you’re looking for an easy and beautiful flower to grow in your garden, the sunflower is it! The seeds are usually pretty cheap and they can be easily found at your local grocery or hardware store. And speaking of sunflower seed—seed is the best way to propagate sunflowers!
When to Plant
It is important to know the last estimated frost date so you can plan accordingly for your sunflower garden.
How to Grow
Full sun, plenty of water, and a well-balanced fertilizer all contribute to healthy and prosperous sunflowers.
When and How to Harvest
Harvesting sunflowers differ on whether you want them for the flower or the seeds.
Sunflower Varieties
Varieties are lumped into several categories that include giant, dwarf, pollen-less, branching, and non-branching. Branching sunflowers will produce several sunflower heads per one plant, which is why these are a favorite in the garden!
Pest Prevention
Sunflowers can be severely affected by diseases and i nsect pests. There are a few cultural methods that will help reduce the incidence of disease and pest infestations in your garden that are talked about below.
Growing Sunflowers: Where & When to Plant
Sunflowers can bloom at different times, even if they’re all planted at once! (Foto: CC0 / Pixabay / Uschi_Du)
Preparing the Location & Sowing the Seeds
Make sure to plant your sunflowers far enough apart. (Foto: CC0 / Pixabay / Darkmoon_Art)
Growing Sunflowers: Tips for Care
Sunflowers turn their heads towards the direction of the sun! (Foto: CC0 / Pixabay / Bru-nO)
Harvesting & Using Sunflower Seeds
Sunflower seeds are an added bonus of growing sunflowers! (Foto: CC0 / Pixabay / nonnatthapat)
