My petunia flowers are being eaten - the whole flowers are eaten mainly in the night. They are predominantly the purple ones. Whatever it is doesn't eat the plant at all.
It's difficult to know what exactly is attacking your petunias without a photo and without careful personal examination. But here are some tips on petunia pests on GardeningKnowHow: https://www.gardeningknowhow.com/ornamental/flowers/petunia/problems-with-petunias.htm
I planted my petunia seeds about 2-3 weeks ago. A few days after they came up, they are starting to die. What am I doing wrong? I have them on a heating mat and under a light during the day and shut them off at night. I mist them once or twice a day and sometimes pour water in the tray. The soil doesn't look or feel too wet.
This sounds like dampening off, which is a fungal disease that will kill off your seedlings.
Make sure you use a very light soilless mix to start the seeds.
Planting medium should be evenly moist.
Air circulation is important; I like to use a light fan for a few hours each day. You can even use your hand to gently brush across the seedlings several times a day.
https://www.gardeningknowhow.com/garden-how-to/propagation/seeds/seedlings-after-germination.htm
https://www.gardeningknowhow.com/garden-how-to/propagation/seeds/soilless-seed-mix-info.htm
https://www.gardeningknowhow.com/ornamental/flowers/petunia/petunia-seed-propagation.htm
How sensitive are petunias to freezing temps?
Most Petunias can tolerate a light frost, a freeze will kill the Petunia.
Once Petunias have suffered cold damage, they will likely not survive.
Their base temperature is considered 39 degrees F.
https://www.gardeningknowhow.com/ornamental/flowers/petunia/petunia-care.htm
I have checked your page regarding petunias but was unable to determine what I might be dealing with. I have noted that some of my petunias develop "sticky" stems and leaves. Afterwards they start to wilt and eventually die. Is this related to one of the problems listed on your page, or am I dealing with another problem? I would sure like to determine what causes this as I have lost lots of petunias when this happens.
I can't determine which pest, but you can treat the plants to take care of them.
Neem Oil is a good treatment. Neem Oil is organic and safe for people, pets and bees.
Here are some links with more information.
https://www.gardeningknowhow.com/garden-how-to/info/what-is-honeydew.htm
https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm
can I do anything to save this beautiful basket?
Prune back the plants to healthy tissue and wait it out!
Late frosts are not fun!
https://www.gardeningknowhow.com/plant-problems/environmental/tips-for-saving-cold-damaged-plants.htm
Why do branches of petunias just lay down down flat?
It sounds link your plants are wilting; this can be due to over or under watering, incorrect growing conditions, pests and disease.
These links will help you pinpoint the cause.
https://www.gardeningknowhow.com/ornamental/flowers/petunia/petunia-plant-wilt.htm
https://www.gardeningknowhow.com/ornamental/flowers/petunia/petunia-care.htm
What is a node?
Hello,
A node is the point at which a leaf originates. Along the length of the petunia from the ground to the terminal point where the farthest growth from the ground is are nodes. Nodes in many plants are where you can start new plants by stripping off the leaves and planting the stem with a few nodes below the soil surface. It is from these nodes plants can develop roots. Such as rooting plants from cuttings. You can do this with many plants. I have never tried this with petunias since they are such a fleshy plant. Hope this is helpful.