Overview
sunflower , with their pollyannaish face andtowering heights , are acaptivating additionto any garden . Growing these lofty plant life can be a rewarding experience , and with the right technique , you may cultivate sunflower that reach sinful size of it . This comprehensive guide will allow for you with all the of the essence knowledge and bakshis to aid you grow sunflower big .
Choosing the Right Variety
The first whole step in arise big sunflower is choose the veracious potpourri . There are numerous sunflower variety usable , each with itsunique feature . Formaximum height , opt for salmagundi known for theirexceptional stature , such as :
Site Selection and Soil Preparation
Sunflowers flourish infull sunand well - drained soil . Select a fix that receives at least 6 hours of direct sunlight per sidereal day . The soil should be rich in organic matter and have a pH between 6.0 and 7.5 . Amend the soil with compost or manure toimprove fertilityand drain .
Planting and Spacing
Sow sunflower sow now in the priming coat after the lastspring hoarfrost . Plant the seed about 1inch deepand space them 12 - 18 column inch apart . Water the seeds thoroughly after planting .
Watering
Sunflowers require regular lacrimation , specially during spicy and dry weather . pee deeply and infrequently , allowing the stain to dry out out slightly between waterings . Avoid overwatering , as it can lead to ascendant rot .
Fertilizing
Fertilize sunflowers every 3 - 4 weeks with abalanced fertiliser . Use a fertilizer with ahigh nitrogen contentduring the other stages of increase and change to a fertilizer with higher phosphorus and potassium content during the flowering point .
Supporting Tall Sunflowers
Assunflowers grow taller , they may need support to keep them from toppling over . Use post or trellises toprovide supportand insure the plants reach their full pinnacle potential difference .
Deadheading
Deadheading , orremoving spent flower heads , encourages the plant to produce more flowers and prolongs theblooming period . Cut theflower capitulum backto the first Seth of parting below the blossom .
Harvesting
Sunflowers are ready to harvest when the back of theflower headturns brown and the seeds are plump . shorten the flower head off the plant and allow it to dry in a warm , dry placefor several weeks . Once the seeds are dry , you could off them from the flower header and store them in an airtight container .
Final Touches: Finishing Strong
What People Want to Know
1 . How tall can sunflowers grow?Somesunflower varietiescan maturate up to 15 foot tall.2 . How long does it take for sunflowers to reach maturity?Mostsunflower varietiestake about 80 - 120 days to touch maturity.3 . Can Igrow sunflowersin containers?Yes , but choose a sort that is suitable forcontainer gardening , and use alarge potwith well - drained soil.4 . What is the good fashion to support tall sunflowers?Usesturdy stakesor trellises toprovide supportand prevent the plants from toppling over.5 . How often should I water sunflowers?Water sunflowers deep and infrequently , allowing the soil to dry out slightly between waterings.6 . What is the best way to reap sunflower seeds?Cut theflower headoff the plant and allow it to dry in a warm , dry placefor several weeks . Once the seed are dry , take away them from the flower drumhead and store them in an airtight container.7 . Can Isave sunflower seedsfor planting next year?Yes , you cansave helianthus seedsfor planting next yr . choose the largest andhealthiest seedsfrom the prime head.8 . What are the mostcommon pestsand diseases that affect sunflowers?Common sunflower pest let in aphid , thrips , and whiteflies . Common helianthus diseases let in powdery mildew , downy mildew , and rust.9 . How can Iprevent birdsfrom deplete sunflower seeds?Cover theflower headwith afine mesh nettingor utilise a boo hindrance spray.10 . Can Igrow sunflowersin partial shade?Althoughsunflowers prefer full Sunday , they cantolerate partial shade , but they may not reach their full height potential .