Skip to main content

Gardening 101: Different types of fertilizers

Getting the most out of your garden means learning about the unique social composition and atmospheric qualities of where you live. Choosing the best fertilizer depends on these and other factors, such as whether you would like to use organic or inorganic products. Knowing different fertilizer types and their uses will make you a more savvy and effective gardener.

While some gardeners do not use any fertilizer products at all, others rely on these to make their gardens grow the way they want to. Gardening, like many other aspects of home care, is very personal. You can follow the advice of others, but at the end of the day, it’s your landscape, and you can manage it any way you like. Gardening is a joy because it offers you a great deal of freedom and control. OK, let’s jump into the topic at hand.

benefits of gardening
goffkein.pro/Shutterstock

What are the three main types of fertilizers?

The first decision you will want to make when planning to purchase fertilizer for your garden is whether you would like to use organic or inorganic (also sometimes referred to as a non-organic) product. There are advantages and disadvantages to either product category.

Recommended Videos

Organic fertilizers are totally natural products. It can be argued that they are more sustainable and environmentally friendly in most cases. If you are planning to eat the plants you grow, choosing organic could be a healthy choice. That said, organic fertilizers are sometimes considered less potent than their chemically-enhanced competitors.

Non-organic fertilizers are often more expensive than their organic counterparts. They can also upset the natural pH and mineral content of the soil in your yard. That being said, inorganic fertilizers are prized for reviving dying plants by quickly delivering vital nutrients to them. Additionally, some gardeners feel they get a more consistent output using inorganic fertilizers.

In general, there are a variety of inorganic and organic fertilizers available to meet the needs of any gardener. This product category is further distinguished by three main fertilizer types: Nitrogen, phosphorus, and potassium-based products.

woman leaning over flowers in garden
Zoe Schaeffer/Unsplash

Nitrogen fertilizers

Nitrogen products are typically used during the middle phase of the growing cycle. This means that as your plant has already sprouted and started to develop, these products can supercharge growth and promote vitality. There are both inorganic and organic nitrogen-based products available.

Phosphate fertilizers

Phosphorus is essential for healthy plant growth and can be useful in all phases of the growth cycle. Plants with proper phosphate balance grow to their fullest potential. This mineral is especially beneficial for the seeding, flowering, and fruiting phases of growth.

Potassium fertilizers

If you’ve noticed yellowed or browned leaves on your plants, they might be deficient in potassium. This mineral plays an essential role in allowing your plants’ roots to become strong and hearty. Potassium also plays a role in making plants resistant to illness.

How do I fertilize my vegetable garden organically?

best october vegetables
Morinka / Shutterstock

Typically, organic fertilizer is applied to the soil of your plants every two weeks to every four weeks during the growing season. You will want to mix it into the soil, not let it clump on top. Any product you purchase will have clear instructions on how the manufacturers intend for you to use it for optimal results.

What is the best fertilizer for your garden?

The best fertilizer for your garden is the one that matches the needs of your specific climate and landscape. Knowing your growing region can be helpful. It can also help to know the natural pH and mineral content of your area. Choosing a fertilizer requires you to think not in terms of the best single product but in terms of, “What is the best product for my unique situation?”

Can plants grow in just fertilizer?

Many types of plants do not require fertilizer at all. Unfortunately, it is not really possible to reliably grow plants with only fertilizer. While this product is not essential, it can help many plants to achieve greater states of growth and vibrancy.

Get out there and start planting

benefits of gardening
Juice Flair/Shutterstock

Planning your garden can be a very fun and rewarding pastime. As you make plans and purchase your essentials, it really feels special when you finally get to start to see everything coming together. Few feelings are more rewarding than coming home to a show-stopping garden. Whether you grow simply to feed your household or to impress the neighborhood, the joy of gardening is one of life’s true pleasures.

It can be tough to learn everything there is to know about planting a garden in just one season. However, if you speak with professionals at your local garden center and other successful gardeners in your area, you will quickly develop your skills. Even if you have trouble achieving everything you set out to do, gardening is always a learning experience. With time and review, your skills will improve.

Fertilizer is a useful product that is often referred to as plant food. While not every plant will require fertilizer, many will grow much better with the right mix of nutrients and minerals. Choosing the right fertilizer means knowing what is best for the unique environmental composition of your property. Even within certain growing regions, there can be many differences in pH, mineral content, and many other qualities that can affect the growth of plants.

Caldium care: A complete guide to this indoor/outdoor plant
Caring for your caladium plant
Close-up of caladium leaves that are mostly red with a little bit of white and green edges

There are many colorful foliage plants you can add to your home or garden, but caladium is a favorite of many gardeners. It's easy to grow both indoors and out, and its colorful leaves are incredibly cute. If you want to try growing this lovely tropical plant, then this is the guide for you. Whether you plan on growing it indoors in a container or outdoors in your garden, we’ll explain everything you need to know about caladium care.
Planting caladium

You should plant your outdoor caladiums after the last frost of the year has passed, once the soil has begun to warm up. Indoor caladiums can be planted at any time, provided you can keep them warm. Plant your caladium in well-draining soil. Be sure the bulb is facing the right direction. Caladium bulbs will have eyes, similar to a potato that is sprouting. These eyes will be raised bumps, and they may already be sprouting slightly. The eyes should be facing up, as this is where the plant will grow from. Bury them so that the top of the bulbs are 1.5 to 2 inches deep.

Read more
6 stunning types of evergreen trees for your yard
Evergreen trees that can liven up a winter landscape
Small pine tree

After the colors of fall have faded, the outdoors can look a bit bleak. Without flowers or foliage, what is there to provide your yard or garden with some life? Evergreen trees and shrubs are an excellent way to add color and vitality back into a dreary winter landscape. Adding one to your yard can revitalize your winter space. Not sure which evergreen tree to choose? Here are our six favorite types of evergreen trees you should consider adding to your yard.
White fir

White firs are beautiful native pine trees with a silver-blue color. They grow slowly, but are quite hardy. White fir trees can grow in most soil types, from highly acidic loam to sandy soils, although they do have more difficulty in clay-heavy soils. They grow best in full sun but can tolerate partial shade. For the first few months after planting, you should water your white fir tree regularly to encourage it to grow strong roots. After this, you can reduce watering significantly. White fir trees are drought tolerant. but once established, they only need water during hot, dry weather. Pruning isn't typically necessary for white fir trees unless they have damaged or diseased branches.
Arbor vitae

Read more
6 incredible types of basil for your herb garden
Add a little variety to your garden with one or all of these basil types
Basil plant bathed in sunlight

Herbs are fun to grow and useful to have around, both for flavoring meals and for keeping certain pests away. Basil is one of the most popular herbs, and for good reason. This tasty herb is versatile and easy to grow, both indoors and out. Did you know there’s more than just one type of basil? If you’re planning your next herb garden, here are six types of basil you should consider including to add a little variety to your garden.
Sweet basil

Sweet basil, also called genovese basil, is the most common type of basil, but there’s a reason it’s the classic. Reliable and delicious, sweet basil gives you the basil flavor and look that you’re familiar with. If you’ve grown basil before, it was likely sweet basil. Place your sweet basil in full sun, with some light afternoon shade if it’s outdoors. Water it regularly to keep the plant fresh and healthy, and you can begin harvesting leaves in just a few weeks, as soon as the plant has four sets of leaves. Be sure to leave a few leaves on the plant so it can continue to grow.
Thai lemon basil

Read more