Overview
In the region of towering blooms andvibrant hues , themammoth sunflower predominate supreme . These colossal plant , capable of pass top of over 12 feet , are acaptivating sightin any garden . If you ’re eager to cultivate these flowered giants , scan on for our comprehensive guide on how to institute mammoth sunflower seminal fluid .
Choosing the Right Standort
Mammoth helianthus flourish in well - drained soilthat is fat inorganic thing . Select a spot that receives full sun for at least six hour a day . annul planting in expanse where water tends to pool , as this can precede to tooth root rot .
Preparing the Soil
Before planting , better the soil with a generous amount of compost or manure . This will put up the necessary nutrient andimprove drainage . Theideal pHforsunflower growthis between 6.0 and 7.5 .
Planting the Seeds
Sow the gigantic sunflower seeds right away into the soil inlate springorearly summer , after the lastfrost date . Dig holes about 1 column inch abstruse and space them 2 to 3 feet asunder . Place two semen in each hole , and cover them with stain . Water thoroughly .
Watering
irrigate the sunflower plants regularly , especially during hot anddry conditions . calculate to keep thesoil systematically moistbut not doughy . avert overwatering , as this can top to ascendant problems .
Fertilizing
fertilise the sunflowers every few weeks with abalanced plant food . This will aid themgrow talland strong .
Supporting the Plants
As thesunflowers grow , they will need support to forestall them from toppling over . instal stout stakes next to each flora and tie thestems looselyto the interest .
Harvesting
Mammoth sunflowers typically bloom in mid to recent summer . When the heyday heads arefully developedand the petals have begin toturn brown , it ’s clock time to harvest . reduce the heyday heads off the plants and cling them upside down in a affectionate , dry property to dry out . Once the cum are completely juiceless , remove them from the heads and store them in a coolheaded , gloomy post until you ’re quick to plant them next time of year .
Troubleshooting
Common job :
Tips :
Growing Mammoth Sunflowers in Containers
If you do n’t have a garden , you may stillgrow mammoth sunflowersin container . select a container that is at least 18 inches in diam and hasdrainage holes . fill up the container with a well - drain potting mix and plant the seeds as described above . Water andfertilize regularly , and support the plants with stake as they grow .
Recommendations
Growing gigantic helianthus is arewarding experiencethatadds tower beautyand dramatic event to any garden . By following thesteps outlinedin this guide , you could successfully crop these floral giants and enjoy their majestic bloom for seasons to occur .
Frequently Asked Questions
Q : How long does it take formammoth sunflowersto germinate?A : gigantic helianthus seed typically germinatewithin 7 - 14 days . Q : Can Iplant mammoth sunflower seedsin the fall?A : No , it ’s good toplant mammoth sunflower seedsin later spring orearly summerafter the last freeze particular date . Q : How tall do mammoth sunflower grow?A : Mammoth sunflowerscan acquire to be over 12 foot tall . Q : How often should I water mammoth sunflowers?A : H2O mammoth sunflowers regularly , especially during hot anddry weather . Aim to keep thesoil systematically moistbut not inert . Q : How do Iprevent mammoth sunflowersfrom falling over?A : corroborate mammoth sunflowerswithsturdy stakesas they grow . Tie thestems looselyto the stakes to forbid them from toppling over .