The Science of Gardening: The Mysteries of Successful Gardening

Gardening is often viewed as a stress relief or a tiresome duty, however, people do not understand that there is also science involved. If you are an expert or just a beginner, knowing the science aspects of gardening can be very helpful. Science is important in the gardening process, from the soil to the plants. In this essay, we will discuss the science of gardening, and how some branches of science like botany, chemistry and physics can improve the quality of a garden.

The Science of Gardening: The Mysteries of Successful Gardening

The very first step any gardener is supposed to take is preparing the soil. Soil is much more than just dirt; it is a combination of silt, clay, sand and organic matter. The soil’s pH, chemical and physical make models can determine the growth of the plant. Soil PH determines the rate at which the plants are able to utilize the nutrients in the soil, and the proper mix of sand, silt and clay determines the efficiency of the soil to drain water. This makes it important for a gardener to understand soil amendments and what plants require.

Seedling sprouting with visible roots

Soil contains minerals (sand, silt, and clay), organic materials (compost and mulch), and water. Each element contributes directly to the nutrients needed by plants. Understanding the chemistry of soil preparation involves knowing and balancing which nutrients to add to obtain the most effective result, waste resources, and ensure a productive garden.

Botany and Biology

Understanding water and its relation to soil is another aspect of gardening. The physics of drained water ensures that your garden is not a water retention pond. Without water, the soil is able to support plants and provide oxygen to the roots. Rotting of roots is eliminated and draining clearly ensures balanced growth.

In the fields of biology and botany, your focus will shift specifically to plants. With the soil ready to go, you can now turn your attention to the branches of science devoted to plants, or botany. One of the most important elements that can determine the success of your garden is the plants that you choose. Different types of plants have various requirements. Choosing a plant that does not suit the soil type or climate is a recipe for failure.

Cross-section of layered soil and earth

Fertilization and Plant Feeding

Gardening, starting from seeds or from saplings, is learning about plant breeding, genetics, and plant biology. Choosing an appropriate species for the area will guarantee success. The selected species will use less water and nutrients while growing vigorously and healthily. They will tie the plant's nutrients as well.


Every plant in the garden needs to be well fed and provided with nutrients in order to flourish. A total of 16 chemical elements are essential for any plant to flourish to their full potential. Not every element is found in the soil. Most of them are found in soil but some need to be provided with fertilizers.

Fertilization in itself is an art of chemistry. It is important not to over fertilize with the standard bits and pieces of chemicals, as this will harm the environment and the plant as well. That is why the proper amounts of fertilizers need to be used to save both the excess amount of chemicals and money.

Watering: The Importance of Conservation

It is extremely important to know which nutrients to add, at what time, and in what amounts. That is the key to successful plant health.

Most of the money spent on water bills is as a result of over watering and killing the plants. It is very important to practice water conservation especially in areas which are facing a lack of water.

When a gardener uses irrigation to water plants, he or she can gauge how much moisture to apply, reducing water runoff and maximizing water efficiency. Along with water conservation, he or she will also improve the health of the plants, as the chances of ‘root rot’ will significantly decrease due to the low likelihood of overwatering the plants.

The 70/30 Rule in Gardening

Perhaps the most common phrase in gardening is the 70/30 rule. It partitions the success of a garden into two parts: 70% based on the soil, climate and other natural factors, and 30% based on the gardener’s input. Every gardener knows that the factors can be favorable or unfavorable and a good gardener will foster the most favorable garden conditions, but at the end of the day, the gardener plays a tiny fraction of the role.

An Exploration of Botany and Gardening Science: A Path Never Ending

Gardening is a combination of simple and complex elements and therefore, like every other hobby or profession that involves complexity, requires perpetual learning. Gardening is not only captivating but incredibly fulfilling; it involves soil chemistry and learning what plants to pick. A well educated gardener can save time, money and effort along with minimization of waste deviation in a garden, while maximizing the garden’s sustainable productivity.

Choose Your Ideal Plants at TN

Need help selecting the right plants for your garden? TN Nursery offers a wide variety of plants suitable for different climates and soil types. Whether you're a new gardener or an experienced one, you're welcome to visit TN Nursery to create a healthy, visually appealing garden or to take advantage of our dedicated staff's assistance staff.

FAQs

What is the 70/30 rule in gardening?

When the gardener’s in control, they reap the rewards of 70/30 rule in gardening. Failure to make changes as a knowledgable gardener could mean your 30% barrier is met. Producing competent, successful gardening knows soil, plants, and gardening well enough to recognize the species suitable to grow in your native soil.

What is the science of gardening called?

The science of gardening integrates different branches like plants ( botany), soil and its conditions ( soil science) and the environment. Gardening is the application of all these branches to build an environmentally friendly nurtured garden which is productive.

What is the 3 year rule in gardening?

The 3-year rule in gardening states that new gardeners should look at the first 3 years of growth to see how a plant has developed and adjusted to the area. If it appears to have stalled in its growth and doesn't show any signs of growth, it needs to be ditched or moved.

What is gardening science?

Gardening science is the gardening branch wherein one applies all sorts of scientific knowledge such as biology, chemistry, and even physics to the act of gardening. This in part relates to gardening as soil chemistry, the biology of plants, soil, and oxygen gardening, and even the preserving of water to its utmost.

What is the 3-hour gardening rule?

The 3 hour gardening rule states that gardening activities should be spaced out and not be done at a stretch for over three hours, else all activities get blended and the goal of gardening is lost. Spacing out the work sessions to either 3 or 2 hours for each work session prevents burnout and keeps the gardener focused over the long run.

What is the most common mistake of first time gardeners?

The greatest blunder that a first time gardener can make is the act of overwatering or leaving the plants underwater. For lots of beginner gardeners, the amount of water applied can lead to a lot of stress and in some extreme cases even death. This is why getting to know the amount of water that is needed for a certain plant is very important to know.

Tammy Sons, Horticulture Expert

Written by Tammy Sons

Tammy Sons is a horticulture expert and the CEO of TN Nursery, specializing in native plants, perennials, ferns, and sustainable gardening. With more than 35 years of hands-on growing experience, she has helped gardeners and restoration teams across the country build thriving, pollinator-friendly landscapes.

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