4th
It is common for a newly planted lemon tree to drop its fruit; it will take a few years for its root-system to be developed.
No. Dragonflies are purely carnivorous, they eat smaller insects.
Should a newly planted tree have the lower branches cut to encourage faster growth?
Yes .
It's best to avoid walking on newly planted grass seed until it has had a chance to establish and grow, usually about 6-8 weeks.
Move it.
You should stay off newly planted grass seed for about 2 to 3 weeks to allow it to properly grow and establish.
Yes they will eat the lower new leaves and ones higher up too if they can get at them. They will also have a chew at the bark and if left to their own devices will ruin a newly planted hedge. Hares will decimate a newly planted hedge. They chop off the stems and strip the bark. If either beasts are attracted to a newly planted hedge fence it with chicken wire--both sides.
it's because you are watering it to much
Yes, frost can potentially harm newly planted trees by damaging their tender young growth and causing stress to the plant. It is important to take precautions such as covering the trees or bringing them indoors during frosty conditions to protect them.
depends on how much damage it took
Your newly planted evergreen may be turning yellow due to overwatering, poor soil drainage, lack of sunlight, or transplant shock. It is important to ensure the plant is receiving the right amount of water, sunlight, and nutrients to help it thrive.