Walk into any Florida nursery or browse plants online and you'll see two kinds of fruit trees: grafted trees and seedlings grown from seed. They can look similar in a pot, and seedlings often cost less. But the difference between them can mean years of waiting and a big surprise when the fruit finally arrives. Here's what you need to know before you choose.
What is a grafted tree?
A grafted tree is two plants joined into one. The top part, called the scion, is a cutting from a named variety with proven fruit, such as a Kent mango or a Choquette avocado. The bottom part, the rootstock, is a seedling chosen for vigor and adaptation to local soils. The nursery joins the two, they grow together and the result is a tree whose fruit matches its parent.
You can usually see the graft union as a slight bend, bump or change in bark low on the trunk.
Why grafted trees are the standard for most fruit
- True to type. A grafted Carrie mango will produce Carrie mangoes. You know the flavor, size and season you're getting.
- Earlier fruit. The scion comes from a mature, fruiting tree, so grafted trees usually start bearing within a few years of planting. A seedling of many fruit trees can take much longer.
- Predictable size. Compact varieties like Carrie and Pickering stay manageable because of their genetics. A seedling's size is a gamble.
- Better rootstocks. Rootstocks are chosen for how well they grow in local conditions. In Florida, mangoes are commonly grafted onto vigorous local rootstocks that handle our soils.
What happens when you plant a seed?
Most fruit trees don't come "true" from seed. Each seed is a genetic mix of its parents, so a seed from a delicious avocado can grow into a tree with fruit that's smaller, stringier or just different. It may also take many years before it fruits at all.
Mangoes have an interesting twist. Many Florida varieties, such as Haden and Kent, are monoembryonic: each seed holds one embryo from a cross, so seedlings vary. Some varieties, often of Southeast Asian origin, are polyembryonic: their seeds contain several embryos, most of them genetic copies of the mother tree. Seedlings of polyembryonic mangoes come much closer to true type, although they still take longer to fruit than a grafted tree.
When a seedling makes sense
Seedlings aren't bad. They're just different, and for some trees they're the normal way to grow:
- Trees that are commonly grown from seed. Soursop, tamarind, papaya and moringa are often grown from seed with good results. Our Sweet Tamarind is seed-grown, for example. Expect seed-grown trees to take longer to fruit.
- Rootstock. If you want to learn grafting, seedlings are the rootstocks you graft onto.
- Experimenting. Some of the best varieties in history began as chance seedlings. If you have space and patience, growing one is a fun gamble.
- Shade and ornament. If fruit is a bonus rather than the goal, a seedling can make a fine tree.
Air layers and cuttings: a third option
Some fruit plants are propagated by rooting a branch of the parent plant, either as a cutting or as an air layer. Figs, mulberries and dragon fruit are commonly grown this way. Like grafted trees, these plants are genetic copies of the parent, so they're true to type and often fruit quickly.
Caring for a grafted tree
Grafted trees need two small extra steps:
- Keep the graft above ground. Plant at the same depth the tree grew in its pot, and keep mulch away from the graft union. Our guide on how to plant a grafted mango covers this step by step.
- Remove rootstock suckers. Any shoots growing from below the graft are the rootstock, not your variety. Cut them off promptly, or they can outgrow and take over the tree.
Want to try grafting yourself?
Grafting is a skill many Florida hobbyists love to learn. You'll need healthy seedling rootstock, a sharp grafting knife, grafting tape and fresh scion wood from a named variety. We offer mango tree scions in several varieties for growers who want to graft their own. Your local UF/IFAS Extension office and rare fruit clubs often hold grafting workshops too.
The bottom line
If you want a specific fruit, on a predictable schedule, from a tree of known size, buy grafted. If you're growing a tree that's traditionally started from seed, or you enjoy the adventure, a seedling can be a great choice. Either way, buy from a nursery that tells you exactly how the tree was propagated.
Start with a tree you can count on
I'm Tony, a botanist and arborist, and I run Giardino Fresco with my family in Miami. Our mangoes and avocados are grafted, and each listing tells you how the plant was grown.
Ready to plant? Shop our grafted mango trees or build your own pair with the Pick Any 2 Grafted Trees bundle. We ship within Florida and nearby Gulf states, and local pickup is available anytime. Questions? Call or text 786-774-2125.
