The two major flowering plants groups are monocots and dicots. Scientists split all flowering plants into these two categories based on seed structure. Every flowering plant you see falls into one of these two camps. Knowing the difference helps you make sense of your whole garden.
I first noticed the split between monocots and dicots while weeding my garden one morning. The grass blades I was pulling had long, straight veins running from base to tip. But the dandelion leaves next to them had veins that branched out like a road map. That one clue showed me the most visible sign separating these two groups. Now I can sort almost any plant in my yard within seconds.
When I started counting flower petals in my garden, the pattern got even clearer. My tulips and lilies had petals in groups of three or six. My roses and geraniums had petals in groups of four or five. That simple petal count told me which group each plant belonged to without looking anything up.
Monocots get their name from having one seed leaf when they sprout. Their leaf veins run in straight parallel lines. Their flower parts come in multiples of three. Grasses, lilies, orchids, tulips, and palms all belong to this group. You'll find monocots in your lawn, your flower beds, and in tropical settings.
Dicots start life with two seed leaves pushing up from the soil. Their leaves show branching, net-like vein patterns. Flowers have petals in multiples of four or five. Their stems arrange tissue in a ring pattern. This is why dicot trees produce growth rings you can count on a cross section. Roses, oaks, magnolias, and most flowering trees belong to this group.
The types of flowering plants classification goes back to Carl Linnaeus in the 1700s. Scientists have updated it with DNA evidence in recent decades. The old term "dicot" is now "eudicot" in modern botany. Some old dicot groups turned out to be closer to monocots than anyone thought. For your garden though, the monocot and dicot split still works as a handy guide.
This split matters for how you care for your plants. Most flowering trees are dicots that share similar needs. They tend to favor well-drained soil and respond well to ring feeding around their drip line. Your monocot plants like grasses and lilies grow from different root structures. They need their own care approach.
You can use this knowledge when you plan your garden layout. Group your dicot flowering trees and shrubs together since they share similar soil, water, and feeding needs. Your monocot plants like day lilies and ornamental grasses do well in their own beds where you can adjust care for them. This grouping makes your watering and feeding routine much simpler.
Next time you walk through your yard, try sorting your plants into the two groups. Check the leaf veins first. If you see parallel lines, you've got a monocot. If you see a branching web, that's a dicot. Count the petals on any flowers you find. Groups of three mean monocot. Groups of four or five mean dicot. You'll be surprised how fast you can sort your whole garden into these two categories.
Knowing which group your plants fall into gives you a head start on caring for them the right way. You won't waste time or money treating a monocot like a dicot or the other way around. This simple split is the most useful piece of plant science you can learn as a home gardener.
Read the full article: Best Flowering Trees for Your Yard
