Annual sunflowers bloom from summer into autumn. Depending on the variety, they can take 11-18 weeks to flower from seed sowing. With that in mind, it is a good suggestion to sow sunflower seed every couple of weeks, so you will have a constant supply of cheerful sunflowers throughout summer. Sunflowers are easy to develop from seed and are perfect for growing with youngsters.They’ll develop to heights of up to two metres, bear impressive, long-lasting flowers, and look unbelievable in gardens and allotments. They make an excellent minimize flower. Do you know? Sunflowers are associated to Jerusalem artichokes, Helianthus tuberosus. If you happen to plant Jerusalem artichokes and allow them to flower, they may bear lovely, sunflower-like blooms. To grow sunflowers you want a sunny, sheltered spot and an excellent soil – add loads of properly-rotted manure or garden compost before planting, if you possibly can. Protect the young plants from slugs and snails and water your sunflowers repeatedly.
You might also have to stake them if they’re in an uncovered place. Choose your selection carefully as some sunflowers will develop 50cm, while others develop over 3m. Sow seeds in pots from April and plant out when all threat of frost has handed. Prepare the soil well and add plenty of organic matter to the planting gap. Keep your sunflowers nicely watered and feed weekly to encourage them to grow tall. You might must stake among the taller varieties. Find out all you ned to know about rising sunflowers, below. Sunflowers want solar. They do finest in fertile soil in a sheltered spot, however may also do properly in containers. However, if you want your sunflower to grow really tall, it is best to plant it in the bottom. Sow sunflower seeds from April to May, individually in 10cm pots of peat-free, multi-function compost. Plant out into the backyard when all danger of frost has passed, from early June.