At a Glance
Site Selection
The first step in planting asunflower circleis opt the good locating . Sunflowers require full sunshine foroptimal maturation , so select an domain that get at least six hours of direct sunlight per solar day . The soil should be well - enfeeble and fertile , with a pH between 6.0 and 7.0 .
Soil Preparation
Before planting , it ’s essential to prepare the soil . Amend it withorganic matter , such as compost or manure , toimprove fertilityand drainage . Dig the stain to a astuteness of at least 12 inches , removing any rocks or debris .
Seed Selection
prefer sunflower potpourri with dissimilar heights andbloom timesto produce a active circle . Tall mixture , such as ‘ Mammoth ’ or ‘ American Giant ’ , can attain over 10feet tall , while shorter assortment like ‘ Teddy Bear ’ or ‘ Sunspot ’ are more heavyset . Consider the distance of your mature season when choose varieties , as some take longer to age than others .
Planting Time
The best metre toplant sunflowersis in the spring , after the last frost . Inwarmer climates , you may also plant in the fall for a late - time of year display .
Planting Instructions
1 . Mark the Circle : Determine thedesired diameterof yoursunflower circleand nock it out on theprepared soilusing a chain or rope.2 . Dig Holes : drudge holesaround the circle , space them 12 - 18 inches asunder . The holes should be abstruse enough to accommodate the sunflower seeds.3 . Plant Seeds : Drop 2 - 3sunflower seedsinto each gob , spacing them evenly . Cover the seeds with soil andgently pressdown.4 . pee : Water thenewly planted seeds deeplyto nail down the soil .
Maintenance
Sunflowers are relatively low - maintenance plant life , but a fewsimple stepswill see their optimal increment :
Watering
Water sunflowers regularly , specially during hot , dry weather condition . annul overwatering , as this can lead to root rot .
Fertilizing
Fertilize helianthus every few weeks with a balanced fertilizer . Avoid using high - nitrogen fertilizers , as these canpromote undue leaf growthat the expense of flowers .
Supporting
Tall helianthus varieties mayrequire supportto prevent them from toppling over . utilize stake or trellises to provide additional stableness .
Pest Control
sunflower are generally pest - resistant , but they can be susceptible to aphid or slugs . Useinsecticidal soapororganic gadfly mastery methodsto bring off any infestations .
Enjoying Your Sunflower Circle
As thesunflowers ripen , their heyday will open in avibrant displayof semblance . Deadhead spent bloom to advance new growth and prolong the flowering full stop .
Tips for a Thriving Sunflower Circle
Frequently Asked Questions
Q : How far apart should Iplant sunflower seedsin a circle?A : Space sunflower seeds12 - 18 inches aside in a circle . Q : How deep should I plant sunflower seeds?A : Plant helianthus seedsabout 1inch deepin the land . Q : How long does it take for sunflower to germinate?A : Sunflower seeds typically germinatewithin 5 - 10 day . Q : How marvelous will my sunflower circle grow?A : The height of yoursunflower circlewill depend on the varieties you select . Some diverseness can reach over 10 feet magniloquent . Q : Can Iplant sunflowersin the fall?A : Yes , you canplant sunflowersin the autumn in warmer climates . However , prefer varietieswith ashorter matureness periodto see to it they bloom before Robert Frost .
