False Acacia
Also known as
Black Locust, Black Locust and False acacia
Taxonomy
Robinia pseudoacacia
Robinia
Fabaceae
Fabales
How to care for False Acacia
How often to water your False Acacia
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.
Water 0.5 cups every
9
Finding light for Black Locust in your home
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 🏡.
How to fertilize False Acacia
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.
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Better late than never is the slogan for today’s #saplingdash 😍 It’s been a while since the last update, but I can’t believe it’s only been 4 months since these guys were just seeds 🥰 our little contestants aren’t all so little anymore, and could definitely be called saplings! I think I’m going to keep up the dash for the first year, for science, and for any poor soul who follows in my footsteps on their bonsai journey hehe. Everyone now has their own profiles and names now. First off, we have the twins, Homer and Virgil! (Pic 1) These #pigeonpea contenders have been getting taller and taller! They’re dropping their bottom leaves now, looking a little more tree-like, but I’m excited to see the next steps in their development! Next up on the #blacklocust team, we have the Plants’s: Planty, Sir Plantsalot, Plantolita, and Plantosaurus Rex (pic 2, in no particular order) They are really shining and have become quite impressive! They’re starting to branch a bit and I’m so excited to see how they grow! On the #bluejacaranda squad we have Xena, Hippolyta, Artemis and Athena. (Pic 3) We are feeling girl power with this one! Very pretty and impressive, they’re my personal favourites, (shh don’t tell the others) And last but never least, we have Dolores, our lone #crepemyrtle is still kicking! She’s been looking a little droopy the past few days though… maybe a little cheering from the crowd can help her pull through… Plans now are to get everyone who hasn’t been repotted into some spacier homes, and reorganizing for the most optimal light for everyone, as they’re growing so much it’s getting harder to do, but I can’t help but love my little green corner (pic 5) Thanks for joining me #greggang, you’ve all helped me step up my plant game so much! Join me next time on the #saplingdash! #PlantsMakePeopleHappy #PlantAddict #TheWateringHole
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You know what time it is? #saplingdash time! Since last episode our contestants focus has been unbreakable! I’ve thrown in some experimental conditions for the teams. Let’s take a look at their progress! First, we have the #pigeonpea team (pic 1) over the past week or so they’ve been dropping! After watching carefully and watching them perk up (a little) after more watering, and then drooping again, I began to wonder if they were already outgrowing their pots, or if there was a soil issue. The underside of the pots did have tiny little root hairs poking out the drainage holes, so after some googling we are testing a larger pot with only coco coir added to the new pots on one of the more established plants, and leaving one as is and watering accordingly until I see if the plants improve or decline. A few of the weirder growing specimens have died off, just 3 left on this team, and their strong start may not be an indicator for victory! Next up: the #blacklocust team (pic 2) is pulling ahead! With 6 members, they’re showing themselves to be a hearty bunch! Because there’s so many, I’ve decided to test the same thing and move one up in pot size before the others, to see how it fares. Then: the #bluejacaranda team(pic3) is doing well! All 4 members look healthy and strong, it’s the most consistent in terms of growth between individuals so far! And last but certainly not least: the #crepemyrtle! (Pic 4) This solo competitor is not to be underestimated, everyone loves an underdog! We’ve had crazy weather and huge fluctuations in temp here, and inconsistent sun, but we are still growing! Catch us next time on… The #Saplingdash !!!!!🎊🏅🎖️🎉🍾 #HappyPlants #PlantsMakePeopleHappy
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The most anticipated event of the season is back again! (Olympics and superbowl who??) it’s the #saplingdash! It’s been a while since the last update, I’ve been super busy, and so have our aspiring saplings! Couldn’t be happier about the progress of our contestants today! First, the #pigeonpea: really stealing the show! We’re watching closely for interference, it’s almost time for its own shelf so it doesn’t block the competitors! In second place, #blacklocust! Look at all those little leaves! Keep up the pace and there’s gonna be a foliage fiasco! Third place: our lovely #bluejacaranda! Slow and steady is this one’s motto! They’re really setting themselves apart with the fern like foliage it’s showing! Keep it up! And in last place, we have #crapemyrtle, but folks, hold onto your seats, because for the first time since the beginning of this competition, we have growth!!! I’m so proud of them, they were down but they are not out!!! The 4inch pots seem to be just what they needed. The backup saplings in the 2 inch pots seem a little more sad so they’re going to be getting their own pots pretty soon! Unfortunately the germination process did not go well, only one sprout from a blue jacaranda, and then they started to mold with the tray cover on! So nope! I removed the moldy ones, and took the cover off but there’s no new growth. So we have the full lineup now! Once’s everyone’s in their own pot well really see how many we’ve got! Hoping to get to be more active this week! Thank you again for joining me on today’s episode of #saplingdash 🏅🎊🎉 #HappyPlants #GregGang #PlantsMakePeopleHappy
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Sapling Dash update! Today in #saplingdash … We had another casualty this week! Our #BlueJacaranda captain bit the dust suddenly… after some investigation of the roots of all our contestants, and former ones. The burlap pots that are so cute are the culprit I think. They do not drain as well as i previously thought! The roots on the dead ones were much smaller than the roots of the smaller ones in the paper pots! I’ve also read about damping off, and had concerns that some of the old media I used might be an issue….. so EVERYONE got repotted in new pots and new media. And I started a new round of germination! Everyone survived the process and is looking great! Pic 1: our team captains #pigeonpea in green #BlackLocust in white #CrapeMyrtle in pink #BlueJacaranda in blue Pic 2: our backup teams Pic 3: blue jacaranda we hardly knew ye Pic 4: new germination setup! I’m hoping we get some more crape Myrtle sprouts! Or at least a one royal poinciana which we have yet to see 😅🤞 Our current count of decent sprouts is Pigeon pea: 5 Black locust: 5 Blue jacaranda:4 Crape Myrtle:1 Royal poinciana:0 Which way will this go! Do you have any advice? Place any bets? Anything can happen in …. The #saplingdash🏅🎉🎊 #HappyPlants #PlantsMakePeopleHappy #PlantShelfie #greggang
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Sapling dash update! So today in #saplingdash… The #pigeonpea team still has a lead, but #BlueJacaranda captain is looking really good! (Pic 1&2) Poor #BlackLocust captain is going to have to be traded out, after the last update it was not able recover. We have some strong candidates on the bench, many of which are ready for their own pots to join the race. (Pic 3) #CrapeMyrtle is also here.. hanging out lol.(pic4) What do we think happened to this pigeon pea seed? Did I bury it upside down, or is it a a rare twin plant? (Pic 5) Stay tuned; the next update may shake things up, as our contestants get reorganized. Will they be able to cope? Who will be the first, if any, to become a foot tall sapling in….. the #saplingdash!🏅🎉🎊🍾 #HappyPlants #PlantsMakePeopleHappy #PlantAddict #Bonsai #babybonsai #greggang
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Tragedy has struck… In today’s episode of the #saplingdash: Poor #blacklocust was the victim of a point blank water spray to the dome. I was misting with reckless abandon and the seed leaves were not ready 🥲 not all is lost! The true leaves have appeared, though small, let’s see if they can pull through! If not, we have plenty of strong team members to pass the baton to….(picture 1&2) Other notable events: this sprout on the #pigeonpea team is trying a new strategy… this is all from one seed… let’s see how that pans out for them…(pic 3) We also have some #CrepeMyrtle seeds germinating! And one teeny tiny sprout. Don’t count them out yet! (Pic4&5) Due to recent events, we are slowing down on the misting for the plants that have grown true leaves… at least until they’re ready for resistance training 😎 (a fan) Stay tuned for next time… who will be the first to become a sapling in #saplingdash 🎉🏅 #HappyPlants #PlantsMakePeopleHappy #GregGang #Bonsai #babybonsai
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Why is my bonsai turning yellow??? I’ve been growing this black locust for about a year now from seed, About a month ago at this point, along with another, because their roots had completely outgrown their old pots. They have both been doing amazing in their new pots getting lots of new growth until recently this one has been rapidly turning yellow. I’m not sure what’s wrong with it or what i could do about ? Help!!! I don’t want it to completely die out and lose all it’s leaves :( #BlackLocust #Bonsai #Help #yellowLeaves
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Question about leaves Ive noticed a few of my trees leaves droop at night... so i water them again... But my question is do some of these trees droop for bed? I feel like I remember reading about that with other plants. Also only 3 members in the black locust group 😱 #BlackLocust #locust #bonsai #houseplants #leafquestion #question #droopy #delonixregia #flametree #flamboyant #watering #askgreg #greggers
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My black locust seedling is loosing leaves. #BlackLocust I just re-potted my black locust bonsai seedlings and both of them are loosing leaves. The leaves are shriveling up and falling off. Duke more so the my other one. He's in well draining soil and on a good watering schedule. I'm not sure what happened to him. Any ideas will help.
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How fast do black Locust grow mines about 2 1/2 weeks. any advice? #BlackLocust
Care Summary for 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.