Plant Care False Acacia

False Acacia

Also known as

Black Locust, Black Locust and False acacia

Taxonomy

Robinia pseudoacacia
Robinia
Fabaceae
Fabales

How to care for False Acacia

💦 Water

How often to water your False Acacia

Water needs for False Acacia
0.5 cups
every 9

False Acacia needs 0.5 cups of water every 9 when it doesn’t get direct sunlight and is potted in a 5" pot.

Use our water calculator to personalize watering recommendations to your environment or download Greg for more advanced recommendations for all of your plants.

Calculate water needs of False Acacia

Water 0.5 cups every
9

Does your plant get direct sunlight?

Select the pot size

5"
☀️ Light

Finding light for Black Locust in your home

Light needs and placement for plant False Acacia: 1ft from a window
1ft or less from
a window

False Acacia love being close to bright, sunny windows 😎.

Place it less than 1ft from a south-facing window to maximize the potential for growth.

False Acacia does not tolerate low-light 🚫.

Select your region to see how the current weather in your area affects the placement of False Acacia in your home 🏡.

🪴 Nutrients

How to fertilize False Acacia

Nutrient, fertilizer, and repotting needs for False Acacia: repot after 2X growth

Most potting soils come with ample nutrients which plants use to produce new growth.

By the time your plant has depleted the nutrients in its soil it’s likely grown enough to need a larger pot anyway.

To replenish this plant's nutrients, repot your False Acacia after it doubles in size or once a year—whichever comes first.

Browse #BlackLocust
💡 FAQs
⭐ Difficulty Level

False Acacia is generally easy to care for, though some plant parents report facing challenges with growing it. Check out the reviews down below to read more about their experiences!

Benefits of Growing Black Locust →

Common Black Locust Problems →


💦 Water Needs

False Acacia prefers for the soil to dry out between waterings and should be watered regularly. Use our water calculator to personalize watering recommendations to your environment or download Greg for more advanced recommendations for all of your plants.

Black Locust Water Frequency →

Black Locust Root Rot →


☀️ Sunlight Needs

False Acacia requires abundant, bright and direct light. Place it less than one foot from a window to ensure it receives enough light to survive 💪. Select your region to see how the current weather in your area affects the placement in your home 🏡.

Black Locust Light Requirements →

Black Locust Direct Sunlight Needs & Tolerance →


🐶 🐈 👶 Toxicity

False Acacia is extremely dangerous if consumed. If you, a family member, or a pet has ingested any amount of plant material contact Poison Control, US (800) 222-1222, or your veterinarian immediately. False Acacia is not recommended for homes with children, cats, or dogs.

Is Black Locust Edible? →

Black Locust Toxicity to Cats →

Black Locust Toxicity to Dogs →

Black Locust Toxicity to Humans →


🪴 Soil

False Acacia does best in well-draining soil. A good soil will contain lots of organic matter such as coco coir as well as perlite or vermiculite to help with drainage. Adding a handful of perlite to regular store-bought potting soil should do the trick!

When and How to Successfully Repot Black Locust →

What Are Healthy Black Locust Roots →


💩 Fertilizer

False Acacia should be repotted after it doubles in size or once a year, whichever comes first. Fresh potting soil has all the nutrients your plant needs, so as long as it’s refreshed yearly, you shouldn’t need to use fertilizer. Remember, plants get their energy from sunlight, not fertilizer!


⬆️ ⬇️ Growth Pattern

False Acacia grows vertically and new growth will emerge from the top of the plant.

Black Locust Lifecycle →

Black Locust Size Guide →

How and When to Prune Black Locust →


🌦️ Growing Outdoors

USDA Hardiness Zone
False Acacia can be grown outdoors in USDA Hardiness Zones 3a-8b. Find your local hardiness zone here.

Black Locust Temperature Tolerance →

Black Locust Hardiness Zones →

Is Black Locust a Weed? →


🌱 Propagation

The seeds of False Acacia can be used to grow new plants! After your plant flowers, any seeds that formed can be collected and germinated in potting soil.


🍂 Yellow Leaves

Yellow leaves aren’t always a reason to panic, and can be a normal part of a plant’s life cycle. Unless brand new leaves are turning yellow or all the leaves change color at once, it’s likely just your plant shedding old leaves.

Overwatering and root rot are the most likely cause of problems in False Acacia, since they are sensitive to wet soil. The leaves may also appear to be curling or drooping. Less often, yellow leaves are caused by underwatering, nutrient deficiencies, or pests.

Replace soggy soil with fresh, dry soil and download Greg to make sure your plant never gets overwatered again!


🧐 Troubleshooting

When troubleshooting a sad-looking houseplant, start by checking for signs of distress in its leaves, such as yellowing, browning, or drooping, which can indicate overwatering or nutrient deficiencies.

Inspect the soil moisture; too dry or too wet soil can cause problems.

Ensure the plant is getting the right amount of light, as too much or too little can stress it.

Finally, consider environmental factors like temperature and humidity, and adjust care routines accordingly to revive your plant.


Care Summary for False Acacia

False Acacia

False Acacia


Greg recommends:

Water

0.5 cups every 9 days

Placement

< 1ft from a window

Nutrients

Repot after 2x growth

Based on the 4” pot your plant is in, and that it doesn’t get direct sunlight.

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