21 votes
Accepted

How do you tell if a tree is male or female?

Some trees have a single "gender" but many do not. The way to tell is to see if the male (pollen) parts are present on separate flowers on different trees from the "female" (ovary - ie, infant fruit) ...
user avatar
  • 7,707
15 votes
Accepted

Can a lemon tree become an orange tree?

Most citrus trees are grafted onto a different rootstock, usually sweet orange these days, even if the fruit from the top graft is going to be lemon or lime. The only way a lemon tree can completely ...
user avatar
  • 129k
15 votes
Accepted

What is this (fungus?) on my fruit trees, and should I treat it?

That is lichen, which is not detrimental to your tree's health (it's not a parasite, it lives off of photosynthesis). This is normal, no need to worry.
user avatar
  • 51.5k
12 votes

What are the chances to get an edible apple from a tree grown from seed?

My experience is different. It is very easy to have a apple tree from seed. But apple trees are not auto-fertile. This mean that to have apple on a tree, you need pollen from an other trees (and ...
user avatar
11 votes
Accepted

How can I make a single cherry tree bear fruits?

Depending on where you live there could be a compatible cherry near enough that you will get fruit. Fortunately there are good resources out there to find good pollinators for stone fruit. Typically ...
user avatar
  • 5,162
11 votes

Why does my lemon tree have multi-colored leaves and strange-looking fruit?

This plant is variegated and is likely to be Citrus limon 'Eureka Variegated Pink'. Described by the New York Times as A mutant found on an ordinary Eureka lemon tree in Burbank, Calif., around ...
user avatar
  • 56.3k
11 votes

Fruit thinning - is that really required?

A picture would be nice. If the trees are young, they may not yet have an extensive enough root system and canopy to support all the fruit so you end up with lots of small fruit rather then larger ...
user avatar
10 votes

Source for apple variety information

This site from Washington State University offers a wealth of information about apples and their uses. You'll find a long list of apple varieties, including type descriptions and whether they're best ...
user avatar
10 votes

Do Pawpaws do well in common landscape settings in hardiness zones 6B?

I live in USDA zone 6b (Southeastern Pennsylvania), and Pawpaws are native growers here. Cold shouldn't be an issue in 6b, but winter length may have some effect. They don't do well in really long ...
user avatar
  • 51.5k
10 votes
Accepted

Dwarf Apple tree in heavy clay

Apple trees do well in clay. There are a few things you could do different next time: do not put stones or other soil amendments in the bottom of the hole. If the planting hole has reached the clay ...
user avatar
  • 56.3k
10 votes
Accepted

What is a good stone fruit tree for northeast Indiana?

In Northeast Indiana, you're in zone 5. There should actually be quite a lot of stone fruit trees that do well for you, depending on your soil. Stone fruit trees tend to be short-lived in our climate. ...
user avatar
  • 9,424
10 votes
Accepted

How should I care for a young cherry tree?

When you say 'recent', if that means within the last year, the only thing you need to do is keep it well watered during dry spells for its first 2-3 years. Hopefully you dug the soil over well and ...
user avatar
  • 129k
10 votes
Accepted

What is this small red fruit with a passion fruit like pulp inside?

Based on the way the fruit is clustered, and similarly the way the leaves are clustered. I think what you have is Psidium cattleyanum. Common names include: Cattley guava, strawberry guava, and cherry ...
user avatar
  • 2,791
10 votes

Putting fruit tree branches in compost

Dry leaves should be shredded first as otherwise they might form an impenetrable mat in your compost pile. If you don't have a shredder, it's easiest to just collect a pile of leaves and run the lawn ...
user avatar
10 votes

How do I stop woodpeckers from killing my beloved apple tree?

Since woodpeckers don't eat wood, concentrate on killing the insects that the woodpeckers are actually eating (rather than "keeping the woodpeckers away" by some means other than removing their food ...
user avatar
  • 18.4k
10 votes
Accepted

What does S1S4 (or similar) mean in the context of cherries?

S1S4, S3S6 and others are Pollen Groups for Cherries. Only some species of Cherry tree are capable of pollinating themselves (such trees are referred to as self-fruiting, or self-pollinating). However ...
user avatar
  • 5,839
9 votes

Can a lemon tree become an orange tree?

I'm not an expert on the subject, but here is my understanding. In nature, a lemon tree will never turn into an orange tree as they are completely different species: Lemon - Genus: Citrus Species: C....
user avatar
  • 159
9 votes
Accepted

How should I care for my multi-variety apple and pear trees?

You definitely need to do some pruning. Before you start pruning a tree, you should find all of the graft points. Since you have multi-graft trees, there should be one graft at the point where each ...
user avatar
  • 9,424
9 votes

Why is my Orange tree not bearing fruit

They are getting pollinated well enough, you can see the young fruit hips in those pictures. If there wasn't any fruit set, the ovaries would fall of the same time as the flower and you'd see no hips. ...
user avatar
  • 6,326
9 votes

Spacing for semi dwarf cherry trees?

You won't find what you're looking for because that information doesn't exist. Planting of fruit trees is done according to how they're going to be trained and pruned, so, if you were growing trees ...
user avatar
  • 129k
9 votes
Accepted

How do I recognize a hermaphrodite papaya tree?

The hermaphrodite papaya is recognized by its flowers. They have both male and female characteristics, which is why they're able to self-pollinate. Unfortunately, that means you really can't tell the ...
user avatar
8 votes

Can I save this tree?

First of all, I'm going to explain a bit about what's probably happening. Peach trees, and for that matter most stone-fruit trees planted for production, are usually not grown on their own roots. If ...
user avatar
  • 5,839
8 votes
Accepted

How do I calculate residential fruit spray application rate for commercial spray?

If you're using 25 gallons of water, you are using only 25% the amount of water on the mixing instructions, so use only 25% the amount of concentrate, around 1-2 quarts. Application rate is 100-800 ...
user avatar
  • 5,839
8 votes
Accepted

Can I grow a cherry tree from seed without stratification?

Cherry seeds need both warm and cold stratification to overcome the seed's dormancy. But you can germinate fresh cherry seeds using the plant hormone Gibberellic acid. In March 1969, partially ...
user avatar
8 votes

Fruit thinning - is that really required?

What "full size" IS depends on what you do or don't do (and/or what "June-drop" does or not do for you.) More smaller fruit - don't thin. Less larger fruit - do thin. From the tree's point of view ...
user avatar
  • 18.4k
8 votes

Fruit thinning - is that really required?

As well as the issue of small-sized fruit, another consequence of letting a tree over-crop by not thinning is that the tree may start a cycle of only producing a good crop once every two years. ...
user avatar
  • 11.2k
8 votes
Accepted

Will peaches on a sapling grow into mature fruit?

We often see fruit, small or full size, on saplings sold by garden centres, and these are surprisingly small trees. If the tree can't support the fruit, they'll just drop off. But if you want to give ...
user avatar

Only top scored, non community-wiki answers of a minimum length are eligible