How To Grow Black Beans: 15 Turtle Bean Care, Harvest Tips

How To Grow Black Beans? Black beans are really easy to cultivate and still, many farmers and growers are hesitant about planting black beans due to concerns like “How To Grow and Care For Black Beans From Seeds“.

Because of their hard shell-like appearance, do you know those turtle beans are another name for black beans? Like other legumes Green beans, black beans are rich in protein, fibers, and vitamins which are known to be highly beneficial to all humans and also animals.

What’s the best way to cool or preserve them?” and “When And “How to Harvest Black Beans“. Are you aware that you could get and enjoy black beans directly from your backyard and even inside your house?

In this post, you are going to be shown all that is necessary to know how to grow black beans. We are going to take you through both the pre cultivation and post cultivation needs and requirement for the Black Bean plant. Below are the topics which will be covered:

  • Black Beans Profile
  • How To Grow Black Beans from Seeds?
  • Growing Black Beans In A Container
  • When To Grow Black Bean
  • Black Beans Maintenance
  • Black Beans Pests
  • Black Beans Diseases
  • When To Harvest Black Beans
  • How To Harvest Black Beans?
  • How To Preserve Black Beans?

Complete Black Beans Profile

Plant TypeVegetable (Legumes), Annual
Bloom TimeSummer Months
Native AreaThe Americas (North, South, And Central)
Botanical Name Phaseolus vulgaris
Size18-24 inches (45-51 cm) tall 12-16 inches (30-40 cm) width
Hardiness Zone2 to 11 (USDA)
Soil pH6.0 to 6.5
Common NameTurtle beans, Mexican black beans, and Tampico beans.
Soil TypeWell-drained and moist Loamy
Sun ExposureDirect and Bright Exposure

How To Grow Black Beans From Seeds

The following steps illustrate how to efficiently grow black beans from seed;

How To Grow Black Beans From Seeds
How To Grow Black Beans From Seeds
  1. The initial thing to take care of before planting black beans from seeds is its location. Roughly, 6 hours of complete sunshine exposure every single day is the ideal exposure.
Black beans thrive better when they are placed in direct sunshine. Select a bright area with direct exposure to sunlight throughout the daytime.
  1. The next step is to make sure you are cultivating your black beans seeds inside the appropriate soil. Soil with pH level 6.0 to 6.5 is more suitable for cultivating black beans. Check out the pH of your soil and modify it if needed. If your soil pH ranges above 6.5, use sulfur, if the pH is below 6.0, introduce lime to your soil.
It's best to evaluate your soil thoroughly before planting since it might take many months to get your soil's pH back to normal.
  1. After you have confirmed the vitality of your soil, you can go ahead and add nutrients to your soil. You must keep in mind that black turtle beans are a vegetable.
As a vegetable, black beans will require less nitrogen. This will prevent your plant from developing only foliage without also developing beans.
  1.  Now that your growing medium is ready. You can get black bean seeds at your local nursery or a nearby local seed shop, even online.
  1. Late April is the perfect time to start sowing your black bean seeds. However, you can also put the seeds inside the soil when it’s late May. Planting them during this period is appropriate because in the summer they thrive and they maximize benefits of the heat during summer.
Prior to actually planting, the soil temperature would need to be at least 16°C or 60°F.
  1. Soaking your black bean seeds beforehand plays a significant role in efficient and easier germination of your crops. Black beans will sprout faster with ease when you soak the seeds overnight before putting them inside the soil.
Alternatively, you can soak them for just 2 hours inside fresh and clear water.
  1. Now, to plant your seed, you may just make a long trench of about 2.5 cm (1 inch) deep. It will save you the trouble of digging a succession of discrete holes. Not just that, you can spread out your black beans along the trench.
The suitable measurement is 10 cm to 15 cm (4 to 6 inches) off from each other and 2.5 cm (1 inch) deep. Also, the eyes of your black beans should be facing downwards when sowing them.
  1. To complete the steps on how to grow black bean tree from seed, make sure to water them. Your soil must be kept sufficiently wet to encourage the sprouting of your crop. Moistening your crop soil after putting the seeds inside the soil is important.
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Growing Black Beans In A Container

Instructions for growing delicious black beans in a container have been written down below. Follow upon them.

Step 1: Choose The Best Pot For Growing Black Beans

Your planter or pot of choice plays a significant role when nurturing black beans inside pots. Selecting a planter with a width of at least 31 cm and with a depth of at least 31cm is highly ideal and recommended as it will give sufficient room for the development of the crop’s roots and also allow you to spread the seeds.

The successful development of your black beans at home depends critically on the measurements of your pot or planter.

Step 2: Before You Start Growing, Make Sure The Pot Is Cleaned

Once you have selected the appropriate planter, you have to be certain that the pot, whether new or once used, is relatively safe from pathogens, bugs, and diseases.

You can get your planter cleaned by using a combined solution of water and bleach in the ratio 10:1 respectively. Immerse the planter inside this solution for about 1hour, then wash the planter using fresh water after pouring out the solution. Before using it, let it dry completely.

Step 3: Get Your Potting Mix Ready

It’s time to ready the pot and the planter that will be used in cultivating black beans by adding soil inside the planter. You’ll need to decide on a nice potting mix because the potting mix is more appropriate to grow black beans indoors than garden mix.

Expert farmers avoid garden mix because lots of things that are harmful to pot black beans (including chemicals, infections, or bugs) are usually present inside it (garden mix). Proper pH level is also an issue for the garden mix. Mixing peat moss, perlite, and vermiculite equally 1:1:1 respectively can be utilized as your potting mix.

Step 4: Inside The Pot, Sow The Black Beans

Insert your black bean seed into a 1-inch opening inside the potting mix. Just to assure that at minimum, one of the seeds germinates, you could place two seeds inside the opening.

Do you need your black bean crops to sprout rapidly? Immerse them into water over the night. Once you put the seed inside the soil in a position in which the eyes of the black bean seeds are facing the planter’s base, cover them up using the potting mix.

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Water your potting mix after you’ve placed the seeds to keep them wet and encourage them to sprout. Try not to overwater your potting mix. Give sufficient sunshine and moisture, as well as nutrients if needed.

When To Grow Black Beans

Natively, areas that are warm are more ideal for growing black beans. Before you sow the seeds of your black beans, you have to be certain that the temperature of your soil has hit between 60 to 70°F.

When To Grow Black Beans
When To Grow Black Beans

Due to this, it is fairly ideal to begin their cultivation by late spring. By this time, the last cold atmosphere would have passed, sparing your seeds the harmful effects of cold weather.

If you would like to see your black beans sprout effectively and develop, steady warm climates for four to five months are essential.

It is also beneficial to note that transplanting or transferring black bean plants doesn’t fare well on them due to their roots being shallow.

Black Beans Maintenance Tips

  • To hold unwanted weeds at bay, making use of chopped straw or hay as natural mulching materials will help. Mulching is among the best black bean plant care methods or techniques; it also assists in keeping the soil warm and also replenishing the water inside the soil.
  • Just after the planting of your black bean seeds, or whenever your black bean crops have germinated and developed some foliage, your beans must be mulched every 21 days (three weeks).
  • Since black beans develop a shallow root system, when you are cleaning out unwanted weeds around your plants, you should do it with caution. Just use your hands to pick the weeds.
  • During morning time, when you notice your soil is parched or nearly parched or even your black bean tree indoor plant appears droopy, it signifies that they need watering. However, remember, black beans are a sturdy plant that does not demand a lot of watering.
  • Also, check to see whether you’ve over-watered your beans. If black beans are left in moist soil for an extended period of time, they would then begin to rot at the base.

Black Beans Pests

Bean leaf Beetles

It is definitely not a coincidence when you find bugs that are either red or green with markings on their back and perforations on the plant’s foliage and capsules (pods) of your beans. These pests are responsible for the perforations and they are called bean leaf beetles.

Bean leaf beetles usually begin their nibbling on black bean plants when it’s late April. If your black bean plants are cultivated in hotter areas, you can find these pests on your crops again when it’s mid or late summer.

If these pests are left unchecked and they increase, they are well capable of decimating the seedlings of your black-eyed beans plant. Crop rotation as well as the placement of a lightweight crop covering above freshly planted black bean fields helps to keep the bugs out.


Slugs are another serious pest nuisance for black bean plants. These bugs will eat both freshly emerged seedlings and your mature black bean plants.

Anytime slugs appear on your black bean plants, you can easily pick them off your crops using your hand. You can also keep these pests away from your crops by putting diatomaceous dirt (soil) around your crops.

Black Beans Diseases

Black bean infections are greatly reduced by proper spreading and watering measures. Two infections affecting domestic black bean crops are:

1. Blight

Blight will make your black bean bush have tiny lesions on its foliage, it might even be somewhat water-soaked blotches. Blight is more prominent during cold periods.

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Generally, blight reduces the bean production of your crops because it’s a disease that progresses from the leaves to the crop capsules (pods) if left untreated.

Crop rotation is recommended, as is spacing your crops in order to facilitate excellent airflow. You should also cease working on your bean field whenever it is raining.

2. White Mold

White mold may be seen on your black bean crop’s leaves and stems, and it advances swiftly. In damp climates, white mold is a serious infection that is more common on black bean crops.

To decrease the occurrences of white mold, spread your crops and rows apart to allow better airflow while avoiding soaking the leaves during watering.

When To Harvest Black Beans

You must observe your plants each week or more than summer draws to a close to determine the maturation of your black beans capsules (pods). 

Delaying harvest till each pod of your black turtle bean plants is totally dried is not really necessary. As long as most of your crop’s pods are browned or yellow, hard and dried they become suitable for harvesting.

To collect your black beans, you should attempt doing it when every moisture gets evaporated from your crops. Doing it during bright and sunny daytime is highly advisable. 90-140 days after growing black turtle beans, they typically attain maturation and are suitable for collection or harvesting.

How To Harvest Black Beans?

  • Using a set of scissors or perhaps a tiny pruner, clip off every ripe pod once they get dried and brown.
  • Split the capsules apart to extract the beans immediately they’ve been clipped down.
  • While preparing or conserving your black beans, lay them down on a level ground and allow them to dry for 24 hours or 48 hours.
  • For growers that are not completely convinced about harvesting black beans or their black beans maturation, you should try biting hard on a bean. If your teeth don’t cause an indentation (mark), your crop is surely ready for collection.
  • Splitting a pod apart and looking inside for dried, black beans is another effective way to confirm the maturation of your crop.
  • Whenever possible, pick your beans while the climate is dry.
  • When weather prediction predicts heavy rain and your black beans are just about due for harvesting, you must move the entire crop Inside while hanging it upside-down to dry off.

How To Preserve Black Beans?

To preserve your harvested black beans from wetness and bugs, preserve them inside a warm, dry area and store them inside a sealed jar.

If your preservation of the black-eyed beans seeds is done correctly, they will end up lasting well for a whole year.

However, when refilling your dry black bean storage, do not combine freshly dried black beans with any previously dried black beans, irrespective of their long shelf life.

FAQs On How To Grow Black Beans

Q: Is It Simple To Cultivate Black Beans?

Black beans are a no-nonsense crop that is exceedingly effortless to care for.

Q: When It Comes To Black Beans, How Soon Do They Develop?

A harvest of black beans might take anywhere from 90 to 140 days.

Q: Do Black Beans Grow Year After Year?

They only have one developing season to accomplish their reproductive phases, so you’ll have to cultivate them year in and year out.

Q: Do Black Beans Come Inside Pods?

Once ripe, black beans are housed within faded green pods that are about six inches long and inedible.


Growing and caring for the black bean crop is simple. If included in an eating routine, they provide several health advantages. In this guide, we have covered everything on How To Grow Black Beans.

To develop healthy black bean plants, you should consider the essential elements such as; when is the appropriate timing for you to plant and in what conditions should you plant it? By following the steps given above, you are assured of bountiful cultivation.