How To Grow Sunflower Large

Sunflowers should be planted 1 to 1-½ inches deep and about 6 inches apart after the soil has thoroughly warmed. If you wish you can plant multiple seeds and thin them to the strongest contenders when the plants are six inches tall.

Sunflower Mongolian Giant Seeds Etsy Sunflower Garden Giant Sunflower Seeds Giant Sunflower

Giant Sunflowers need to be grown in full sun.

How to grow sunflower large. However sunflower crop thrives their best in deep loamy soil with an availability of good irrigation and drainage. To produce optimum growth the soil should be very rich. If you are growing an heirloom type save seeds from the largest several plants and plant the largest seeds with the most life-sustaining endosperm next season to increase your giant sunflower growing success.

Keep your sunflower in direct sunlight. Before planting cultivate the ground to a depth of at least 18 inches and amend the soil with well rotted compost kelp meal and liquid fish fertilizer. Moisten a paper towel slightly so it is damp but not soaked or dripping.

Sunflower can grow on any type of soil and also soil having controlled pH range and saline soil up to some extent. Plant a giant sunflower in the shade and you can simply forget getting a giant sunflower you will get a medium one at best. You may need to stake some of the taller varieties.

Avoid pouring fertilizer directly on the stems since this can cause them to rot. Trial garden manager Lindsay demonstrates her expert techniques for successfully growing gorgeous giant sunflowers in your garden. Choose your variety carefully as some sunflowers will grow 50cm while others grow over 3m.

Before planting decide whether or not you want to grow a fun sunflower tower. Pour several gallons of properly diluted fertilizer into the moat every week. Sunflower roots can grow to 4 feet below the soil surface.

Prepare the soil well and add plenty of organic matter to the planting hole. Keep your sunflowers well watered and feed weekly to encourage them to grow tall. Sow seeds in pots from April and plant out when all risk of frost has passed.

But giant sunflowers use the suns energy to fuel their massive growth so the more hours of sunlight the plants receive the more robust their growth. The best soil pH for sunflower cultivation is 68 to 80. Where to grow sunflowers.

The giant sunflower also needs even more sun than regular sunflowers at least 7 or 8 hours a day so you might want to ensure that the location you are planting will maximize sun exposure. For larger plants scrape out a small doughnut-shaped moat about 18 inches around the plant and about four inches deep. Keep your sunflowers well watered and feed weekly to encourage them to grow tall.

Place the sunflower seeds on one half of the towel then fold it over to cover them. The richer the soil the better the plant growth. When the petals of your sunflowers begin to shrivel the plant has reached its peak height.

In this way you will improve each generation by selecting the largest and most vigorous. If you have a large number of sunflower seeds and dont mind a lower success rate you can skip straight to planting. Fold the seeds in a damp paper towel.

As the seedlings grow they need as much direct sunlight as possible so the stems will be thick and strong and able to support the large flower head. Prepare the soil well and add plenty of organic matter to the planting hole. Soil conditions can vary from average a to rich soil.

Sow seeds in pots from April and plant out when all risk of frost has passed.

Sunflower American Giant Growing Sunflowers Sunflower Garden Small Sunflower