Avocado Tree Varieties: Which One Should You Plant?
Picking an avocado tree usually starts with a variety name, but that's often the wrong place to start. The name tells you what the fruit looks like, but it won't tell you whether the tree needs a second tree nearby to fruit well. It also doesn't let you know how much room you'll need, or whether your winters are mild enough.
Type A and Type B Avocado Trees
All avocado trees fall into one of two flowering groups. The split has nothing to do with fruit quality, it comes down to timing. Each avocado flower opens twice, once as female and once as male. The order those phases occur determines whether a tree is Type A or Type B.
Type A flowers open female in the morning, close by midday, then reopen as male the following afternoon. Type B flowers run the opposite schedule, opening female in the afternoon and reopening as male the next morning.
A single tree of either type can still pollinate itself, since the female and male phases eventually overlap on nearby flowers of the same tree. Planting both types near each other just gives that overlap more chances to happen, since a Type A tree's male phase lines up with a Type B tree's female phase on the same afternoon.
Type A can be found across California-style, Florida-style, and Mexican-type trees alike, and the same is true of B. A single tree of either type can still produce fruit, but pairing a Type A with a Type B tends to boost the crop on both.
🌱Ready to plant an Avocado Tree? Find the perfect variety, size, and style for your yard with Everglades Farm.
Dwarf vs. Standard Avocado Trees
Size is usually a bigger constraint than flower type, especially if you’re working with a small yard or a container. Left unpruned, a standard tree commonly reaches 30 to 40 feet, with a canopy nearly as wide.
Only one avocado variety qualifies as a true dwarf. Wurtz, also known as Little Cado, tops out at a fraction of that height and stays manageable in a large container. Semi-dwarf trees are in the middle, growing taller than Wurtz but well short of a standard tree. Standard varieties can be kept to 15 to 20 feet with annual pruning, which is closer to what most home landscapes actually need.
Do You Need a Pollination Pair?
Some avocado varieties set a good crop entirely on their own, while others produce noticeably better with a second tree of the opposite flower type nearby. Varieties like Waldin and Lula are known to fruit well alone, making them ideal if space only allows for one. Trees like the Pollock and Booth 8 rely more on cross-pollination and could disappoint without a partner tree close by.
If you’re interested in a pair, precise spacing isn’t quite as important for pollination. Bees move pollen between flowers and can cover large backyards with ease. Planting the two types anywhere in the same yard is usually enough. Commercial growers plant blocks of A and B trees together to maximize yield at scale, but you don’t need to do that for a simple home garden.
Selecting an Avocado Tree
Knowing the flower type, size, and pairing can narrow the choice considerably, but climate and timing still play a role in choosing the right variety of Avocado tree.
Cold Hardiness and Protection
How well an avocado tree survives winter depends on more than the thermometer. Cold hardiness varies considerably between varieties. A young tree in an exposed spot faces a different risk than a mature tree tucked against a warm wall. Knowing which end of that range a variety falls on, and how to add a bit of extra protection, makes the biggest impact in the few years right after planting.
West Indian varieties are the most cold-sensitive and start to struggle once temperatures drop into the high 20s Fahrenheit. Guatemalan types are moderately cold tolerant. Mexican hybrids, bred specifically to be more cold-hardy, handle the coldest nights of the three. Even a cold-hardy variety can still take damage in a long or severe freeze, so the classification is a starting point, not a guarantee.
Freeze protection can really help during a young tree's first couple of winters, before the canopy and root system are established enough to buffer a hard freeze on their own. Wrapping the trunk or covering the canopy in a blanket ahead of a freeze traps warmth around the graft union. Mounded planting, building soil up a foot or so around the base, adds another layer of protection around that same vulnerable point.
A few inches of mulch spread around the root zone, kept clear of the trunk, insulates the soil and helps hold heat overnight. Site selection can take care of a lot of these issues before they arise. Planting near a south-facing wall or a spot naturally sheltered from wind, keeps a tree several degrees warmer than open ground nearby. Wind protection is important, since cold wind pulls heat away from a tree faster than still cold air does.
Check out our collection of cold hardy Avocado Trees!
Ripening Seasons and Harvesting
Ripening depends on the variety with West Indian avocado trees maturing the earliest, usually from late spring into early fall. Guatemalan and hybrid varieties run later, often stretching from early fall into the following winter. Mexican-type avocados fall somewhere in between, typically maturing over the summer and into fall.
None of that fruit actually ripens on the tree. A mature avocado is done developing and ready to pick, but it's still firm and starchy at that point. Ripeness only starts once it's off the tree. That's why you should pick it when fruit is still firm, instead of waiting for it to soften on the branch. Full size and a duller or slightly rougher skin are the best signs a tree is close.
Pick a few of the larger fruit and let them sit at room temperature for about a week. Fruit that softens to a good, creamy consistency means the rest of that crop is ready to pick as needed. Planting more than one group extends the harvest window, since an early West Indian tree and a late Guatemalan hybrid rarely overlap in season.
Planting Avocado Trees
Once you've settled on a variety, the planting steps are largely the same regardless of flower type. Choose a site in full sun, sheltered from strong wind, and at least 20 to 30 feet from structures or other trees for a standard variety.
Dig the hole two to three times as wide as the root ball and no deeper, so the tree sits at the same level it was growing in the container. Skip the fertilizer and compost in the planting hole itself, and backfill with the native soil instead.
Water thoroughly right after planting, then keep the soil consistently moist while the roots establish. If drainage is a concern, plant on a raised mound rather than in a low spot.
Growing Tips
Avocado needs full sun, well-draining soil around pH 6 to 6.5, and water at the drip line rather than near the trunk. The basic rule is to soak the root zone deeply, then let it dry out somewhat before watering again, instead of giving it a little water every day.
Newly planted trees need water every other day for the first week, before going to once or twice weekly. Established trees prefer deep, infrequent watering.Keep mulch two to three inches deep, and pulled back from the trunk.
Fertilize young trees every one to two months. Cut back to three or four times a year once established. Prune lightly, ideally after the coldest part of winter, removing only dead, damaged, or crossing wood.
Container trees need the same basic care along with bright light, temperatures under 80°F, and occasional misting. Compacted or waterlogged soil is the most common mistake in containers, since avocado roots need oxygen as much as water. Yellowing leaves with soggy soil usually mean overwatering; yellowing with dry, crispy edges means the opposite.
The Wrap-Up
Most people pick an avocado tree by name first, then find out after planting that it needed a partner tree nearby, or grew twice as tall as the yard had room for. Getting the fit right at planting time is what keeps weak yields and overcrowding from showing up years later.
🌱Ready to plant an Avocado Tree? Find the perfect variety, size, and style for your yard with Everglades Farm.
FAQ
Do I need two avocado trees to get fruit?
Not always. Some varieties, like Waldin and Lula, fruit fine alone. Others need a second tree of the opposite flower type nearby to produce well.
What's the difference between Type A and Type B avocado flowers?
Timing, not quality. Type A flowers open female in the morning and male the next afternoon. Type B does the reverse.
Why do backyard avocado varieties taste so different from a store-bought Hass?
Hass is one variety from one branch of the family. West Indian and Guatemalan-hybrid types tend to be milder and lower in fat, while Mexican-type varieties run richer.
Do avocados ripen on the tree?
No. Avocados stay hard and green while attached to the tree and only start to soften once they're picked.
How long does it take avocados to soften after harvest?
Usually three to eight days at room temperature, though it can run closer to a week or more depending on the variety and how mature the fruit was when picked.
Should I buy a grafted tree, or is growing from seed worth it?
Buy grafted. Grafting reproduces the exact variety, and a nurseryman's grafted tree usually fruits within three to four years, while a seed-grown tree can take five to thirteen years and rarely matches the parent.
What's a "condo" avocado, and can I grow one in a container?
It's the nursery nickname for compact varieties like Wurtz. Since avocado feeder roots sit shallow and don't like being disturbed, a large, well-draining container counts for more than its overall size.
Are black spots on my avocado a problem?
Usually not. Most black spots come from cold storage or handling bruises and are cosmetic, so cutting around them is enough.
How much fruit can I expect from a mature tree?
A tree around five to seven years old can produce 200 to 300 fruit in a good year, though avocados alternate bearing, meaning a heavy crop is often followed by a lighter one.
Why is so little known about some of the more unusual named varieties?
Many uncommon avocados circulate mainly through rare fruit growers and small nurseries rather than university trials, so documented cold tolerance or fruit production habits can be thin or missing entirely.
References
UF/IFAS EDIS, Avocado Growing in the Florida Home Landscape (MG213): https://ask.ifas.ufl.edu/publication/MG213
UF/IFAS Gardening Solutions, Avocado: https://gardeningsolutions.ifas.ufl.edu/plants/edibles/vegetables/avocado/
UF/IFAS EDIS, Persea americana: Avocado (ST435): https://edis.ifas.ufl.edu/publication/ST435
UC ANR Master Gardener Program of Contra Costa, Selecting and Planting a New Avocado Tree: https://ucanr.edu/blog/hort-coco-uc-master-gardener-program-contra-costa/article/selecting-and-planting-new-avocado
