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Your clear-cut guide on how to fertilize petunias. What is the best petunia fertilizer? You might be surprised!
Petunia flowers are an all - around favorite prime for many . I am a gardener that always has petunias in my summer garden .
They are vibrant and versatile and can bring oodles of color to your landscape , container , and hanging basketball hoop .
To grow the most healthy and eye - catching petunias , right forethought and attention are important .

Like most plant , petunias require food to perform their best .
In this template , you will learn about the best fertilizers for petunias and how you may put them to use for the most delightful floral display !
For more on How to produce Petunias printing press Here !

Petunia Fertilizer Requirements
Before you start force - feeding any plants you require to feed your soil ! I preach this loud and long here .
Using compost , mulch , and manures tobuild organic soilis a farsighted plot but it will go Admiralty mile in helping you to keep your fertiliser costs lower and it is much just for the environs and our beautiful plant .
Because Petunia are make blooms so abundantly they need a steady supply of nutrients . Proper fertilization allow for what may be missing in your soil .

Build Nutritious Soil!
Building your organic garden soil is essential for long - term gardening success . Here you will hear the best tricks for great garden dirt . Beginner gardener friendly !
What to Fertilize Petunias With
Many will say petunias need a balanced fertilizer with NPK numbers the same straight across . For example , 6,6,6 or 12,12,12 .
These stand for the primary nutrients most plants require . NPK stands for Nitrogen , Phosphorus , and Potassium .
It should be observe that most soils are not deficient in either Phosphorus or Potassium as neither wash from the soil .

Nitrogen is the main food that can be leeched from soils with big pelting or frequent watering . Most expert agree all plant only require a alimental ratio of 3 - 2 - 1 , even Petunia .
So with all the choices out there which is the best ?
You do realize the best you will detect on the internet is more vox populi than really a definitive resolution ?

Let ’s go with something that is not only heavy for the plant butfeeds the soilas well .
For me , I choose to stay off from synthetic fertilizers as they do nothing to work up soil wellness . If it is pink , blue or some other weird color then you recognize it is synthetic .
Right nowI am using AgroThrive as my go - to plant food . The nutrients are pre - digested so the works benefit immediately and it feeds the filth so it benefit the plant in 2 way .

Stay tune as I am trialing a ‘ new to the securities industry ’ plant nutrient that is made from food waste and is 3 - 2 - 1 NPK ratio !
You may take that a high phosphorus fertilizer is needed for blooming plants but that is bunk . The so - calledBloom Booster fertilizersare just marketing .
Bloom Boosters Myth and Marketing!
How Often to Fertilize Petunias
What is the ideal frequency for lend oneself fertiliser to insure unbendable growth and keep them blooming ?
There are two type of needs :
Fertilizer for Hanging Petunia Baskets and for Petunias in Pots and Containers
When it comes to pots , hanging basketball hoop , and container you require to fertilize Petunia a turn more frequently than in the landscape .
What bring for me is ‘ weekly ” , “ weakly ” . That means I stretch the Agrothrive plant food by one-half and eat my petunias weekly .
This can work for most liquid fertilizers or those that you disband in water to apply .
Fertilize Petunias in the Landscape
The soil in my landscape has been amended withplenty of compostandchicken manurefor years and it is already full of nutrients so I usually only give the petunia in the solid ground a diluted shot of fertiliser once a month .
Did you bed that you could actually make your soil toxic by over - fertilizing ? Remember what I said earlier about the phosphorus and potassium not moving in the soil much ?
Well , if you keep adding those to the soil when there is already more than enough you’re able to do more hurt than good . you may even overdo it with compost .
Best Time-Release Fertilizer for Petunias
Okay , I get it , some are interfering and do n’t need the fuss of feeding flora hebdomadally or mixing up the melted fertiliser .
Espoma makes some effective constitutional time - firing fertilizers andPlant Toneis a general one you’re able to use .
There are several synthetical options out there you may use as well if you prefer . But most will recount you that even with the good prison term - release fertilizer petunias will need a bit of a boost with an extra bit of provender mid - summer .
Fertilizing petunias is not a hard outgrowth , but it requires some care to avoid overfeeding or make nourishing unbalance .
So let ’s take it one step at a time :
Soil Preparation
Before utilize any fertiliser , ascertain that your petunias are plant in well - draining filth .
Proper drain prevents waterlogged roots , which can run to root putrefaction . Additionally , check that the territory is loose and friable , set aside the roots to penetrate easy and access nutrient .
If you are using basket or container then employ good - quality potting stain . workshop around , say the ingredients , and choose accordingly . I prefermy DIY pot soilover buying all the plastic bag ones .
When to Fertilizer Petunias
For Petunia plant ingarden bedsor landscape , fertilize them at planting in Spring before they start actively spring up . ( not necessary if you have fecund dirt )
This initial feeding will set the level for healthy growth and abundant flowering throughout the growing time of year .
For hanging baskets and container , start fertilizing two weeks after plant , as the initial nutrients in potting mixes will begin to deplete .
Regardless of the case of fertilizer you select , always read and follow the producer ’s instructions .
The label will provide guidance on the appropriate software rates and frequencies .
Avoid the temptation to apply more fertilizer than recommended , excessive nutrients can conduce to harmful buildup in the dirt . ( commemorate what I told you about phosphorus and potassium not moving in the soil )
Also , do not use Epsom Salts , I partake in why here .
Frequency of Fertilizing
For most petunias , a cosmopolitan guideline is to inseminate them every 2 - 4 weeks throughout the growing time of year . ( I shared that I do it weekly with a dilute mix )
However , dissimilar fertilizer may have specific recommendations , so you could follow the teaching on the recording label .
Important Tips
Avoid Overfertilization
More isnotalways better when it comes to fertilize petunia . Overfertilization can conduct to the opposite of what you are trying to reach .
You could get exuberant maturation , weak theme , and few blooms . Stick to the advocate software rates to avoid this issue .
Watering After Feeding
Always water the petunia thoroughly after inseminate .
This helps to prevent fertiliser burn and ascertain that the nutrients get through the root zone where they are demand .
This is not necessary if using a liquid provender like Agrothrive .
Observation
Keep an center on yourpetunias throughout the growingseason .
If you notice any signs of nutrient deficiencies ( e.g. , yellow leaves , stunted growth ) , look at adjusting your fertilization routine .
Over - fertilizing can make the leaf turn yellow as can over - lachrymation . So slip on the side of care and know that more is not always better for your plants .
The number one Orcinus orca of plant is folks sample to over - love them .
So in conclusion by following these simple guidelines you’re able to have gorgeously bloom petunia all summertime long .
Are your petunias getting leggy and scraggily , they may necessitate a piece of pruning !
Reviving Petunias
How to come to leggy potted petunias that are looking spindly ! Pruning your Petunia can bring them back to see full and lush once again .