7 of The Best Crops For Vertical Farming

Mark Crumpacker

One of the biggest decisions that can make or break a vertical farm is the question of which crops to grow. Along with a number of other key factors — including a good location and an appropriate pricing strategy — smart crop choices play an essential role in helping vertical farms keep costs down and ensuring that farmers are able to sell the majority of what they grow.

According to a recent blog post from ZipGrow, a leading provider of vertical farming equipment and services, the following are two of the most important points to consider when choosing crops for a vertical farm:

Economic viability — ZipGrow and many other experts in the vertical farming industry are quick to remind aspiring farmers that just because something can be grown, this doesn’t necessarily mean it should be grown. With the right resources, it’s technically possible to grow just about anything in a vertical farming facility, but not all crops are economically viable. Some crops just aren’t able to make money when they are vertically farmed because their production costs are too high (for example, the crop requires hotter temperatures or more light relative to other crops), or simply because there is a lack of market demand for the crop. To make smart crop choices, vertical farmers need to be realistic about balancing likely costs with projected profits.

Timing and liability — The time period that elapses between a seedling entering the farm’s system and a mature plant being harvested and sent to market is known as a “turn.” In general, successful vertical farmers find that focusing on crops with fast turns, like salad greens and some herbs, helps to minimize their liability. This is because fast-turn crops mature so quickly that farmers are rarely more than about six weeks away from production, which limits the amount of resources that will be lost in the event that the crop fails. However, this doesn’t mean that there is no place in a vertical farm for slow-turn crops: some of these, like fruiting crops, can offer higher margins than fast-turn crops, potentially making them a good proposition depending on local market conditions (of course, while the profits may be higher, so is the risk).

What are some of the best crops for vertical farms?

While ZipGrow recommends that the process of choosing crops should be part of a comprehensive feasibility study undertaken by aspiring vertical farmers before launching their operations, the company does offer a basic guide to some of the most successful and popular crops currently being cultivated in vertical farms. These include the following:

Lettuce — Lettuce and other leafy greens are by far the biggest crop grown by indoor farmers (according to the Agrilyst 2017 State of Indoor Farming Report, 57% of indoor farms, including vertical farms, produce leafy greens). It’s not difficult to understand the popularity of the humble lettuce: it’s quick and easy to grow, inconsistent demand all year round, and available in dozens of different varieties so that farmers can switch up their product from time to time without having to change to a whole new crop.

Kale — Despite the predictions of some naysayers, the booming popularity of kale is showing no signs of decreasing. Not only is kale a nutrient powerhouse — ounce for ounce, cooked kale is richer in iron than beef — it’s also delicious, incredibly versatile and, like lettuce, available in many different varieties. A great choice for vertical farmers serving health-conscious markets, kale is fairly easy to grow, although farmers must take some care when harvesting in order to get the highest yield.

Chard and collard greens — These dark, leafy green vegetables are not quite as popular as kale, but they come close. Like kale, they can grow quite large in the proper conditions, and they can be partially harvested multiple times, each time growing back with a larger yield.

Basil — In many ways, basil is an ideal crop for vertical farming. Basil is sensitive to cold temperatures — when grown conventionally in soil, basil is only available for a few months each year — so it responds very well to the climate-controlled conditions of a vertical farming facility. In addition, some studies indicate that hydroponically-grown basil is richer in flavor than field-grown basil because it contains 20–40% more oils. Finally, compared to most other crops, basil can command a very high dollar amount per pound, and because it is an important ingredient in a great deal of restaurant cooking, it can often be sold in larger amounts to local restaurants or other institutions rather than by the ounce to individual customers.

Chives and mint — These two herbs are some of the best crops for new vertical farmers to start with. Chives and mint alike are easy to care for, have very quick turns, and are easy to harvest due to their dense, grass-like growing structure. Their distinctive flavors also make them very popular with customers.

WRITTEN BY Mark Crumpacker

Mark Crumpacker is a passionate marketing specialist with years of creative storytelling experience.

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