Are your plants looking sad, stunted, or just not producing? You might be making one of these common fertilizing mistakes — and trust me, I’ve made them all. 😅. For more info, visit WWW.GARDENGUIDE.COM

In this video, I break down the biggest fertilizer mistakes gardeners make in vegetable gardens — from overfeeding and bad timing to ignoring your soil’s actual needs. Whether you’re growing tomatoes in raised beds or lettuce in pots, this guide will help you feed your plants the right way and avoid stunting your harvest.

🌿 What you’ll learn:

-Why more fertilizer isn’t always better
-How to properly water before and after feeding
-How container gardens lose nutrients faster
-When to fertilize (and when not to)
-The hidden dangers of synthetic-only routines
-How to read deficiency signs in your plants
-Why soil testing is a game-changer

MENTIONED LINKS
www.gardenguide.com

Neptune’s Harvest: https://www.neptunesharvest.com/shop.html
ENTER CODE: NLG05

Test Kit: https://amzn.to/409P73y

MENTIONED VIDEOS
Tomato Leaf Curl: https://youtu.be/lqAaRrvDPAo
Transform your Tomatoes with this ONE ingredient: https://youtu.be/hzzizV1LFds

44 Comments

  1. 🌱 What’s YOUR biggest fertilizer mistake?
    Too much nitrogen? Forgot to feed your container plants? Used the wrong product at the wrong time?
    👇 Share your story below — let’s learn from each other and grow better together!

  2. A while ago you showed us how to make our own fertilizer…..with weeds and water in a bucket.! My question is….can you use this on any veggie plant? Potato's, tomatoes ect!

  3. Extremely good information! Brian, the number of editing cuts on many of your videos makes many of them tedious to watch. Sometimes, I need to look away because I want to hear the excellent content, but the flash from scene to scene becomes unpleasant. Anyway, my impression, I may be alone on this impression.

  4. I celebrate "Fertilizer Friday" weekly, unless we're in a very rainy or very dry spell. I adjust my day depending on the weather.

  5. Too much rain here in south east North Carolina and time to fertilize again, but now in heat wave 😮 sounds like I'd better wait a couple more weeks and hope the temperature drops?

  6. Yesterday, I replanted a cherry tomato plant. I used the same soil that was used when I first planted. About an hour later. The plant was beginning to wilt. This morning, all of the cherry tomato plant was wilted except one stem. What happened during the transfer process?

  7. 😯Um, wait.. is Bloodmeal organic or not? I just used it to amend the soil of the container that I transferred lettuce seedlings into. 😓
    ❓🤔Is there a water-soluble fertilizer that has a little-to-no Nitrogen? I want to use a water-soluble boost for my tomatoes, but don't want to give them any more Nitrogen to mess with their flowering..

  8. Perfect timing—thanks. Was thinking about fertilizing my containers that aren't on drip irrigation—but we're entering a heatwave so I will hold off. Thanks again!!

  9. Brian, this video has PERFECT timing for me. Temps here in N.J. are in the mid 90's and 100 in two days. I was going to fertilize but I'll just water and use a shade cloth until the heat wave passes. Thanks soooo much. 😁

  10. Crazy up n down temps, way to much rain, the stray cat's pissin on my plants at night through the fence or climbing the fence and chewing up marigolds and peas. This season is stressing me out.

  11. Perfect timing on this video. Thank you. I also checked out the Garden Guide site which is AMAZING and so comprehensive!!

  12. What IF the heatwave extends over a whole month or longer….(It happens here every Sommer and …no rain!), no more fertilizing?

  13. I always have trouble getting my carrots to grow longer than an inch or 2. Should I use phosphorus and potassium. Would Neptunes harvest Rose and flower be good to use or maybe you have other Ideas.

  14. I look at several garden sites and so many people tell people to fertilize a sick plant so often. Need to figure y its sick instead of automatically using fertilizer

  15. Perhaps it would be helpful to quickly mention how we can make our own "natural" fertilizer. For example, on a different video, you mentioned using leaves, grass clippings, etc., to make our own fertilizer. Would this be the "right kind" to use for the examples you gave here? Thanks.

  16. I have using liquid fertilizer on them when they are dry, equaling that to me using a Nunn tablet in my water when Im really thirsty. Lol …that stops today, thank you!

  17. Thank you! I was worried that leaf curl on some tomato plants at the Food Pantry garden, in one section, were caused by being poisoned. It's important the plants do well because we give this food to the community. The other tomato plants in raised beds in other areas were thriving: I harvested seven pounds of tomatoes, mostly from two Parks Improved Whopper plants, today. However, the six plants in the fenced area, where we are installing a garden over an old playground sand pit, were beyond curled, even the very top most leaves looked like tiny hair balls stuck together! It looked gross unlike any leaf curling I have ever seen. Only one set of leaves on each plant looked almost normal. They were all planted on the same day, but that day I was in a big rush and I added no bone meal or worm castings, hurriedly getting them in a container of un-amended compost from Lowe's right before it started pouring down rain, so I rushed to beat the weather. A week later, in another rush, I saw they looked very sad, so I sprinkled bone meal on top and watered. There's no irrigation in this part of the garden so I was watering by hand with a container and maybe I didn't do a good job. There have been lots of storms each week and I hoped that was enough. The soil in this area is hard pan, so while I work on improving the soil with wood chips and amendments, (shoveling a 10×20 foot pile of chips is some very hard work and this is why I am rushing so much through other tasks this year instead of taking my time) that's why I planted this section in containers. I've grown tomatoes in containers before but each time I came into the old playground area, the tomatoes in the containers looked worse than before! What to do? However, since the other tomato plants look happy, I was scared that some kind of herbicide drift got on them or a disease or maybe I stressed them. It's a lot of work stretching labor resources and I realize I am not giving all the plants the love, attention and time they deserve, so I ripped them out, today and decided to start over. Watching your video, maybe they were stressed and there was something else I could have done. I am sad because I lost several gourmet and heirloom plants I was very anxious to share with the community. However, next time, I won't take lazy short cuts, I will water and amend the soil very well before I plant, fertilize and then water again. After watching your video, I watered one more time.

  18. I do what Mr Leon from gardening with Leon suggests. Microdosing fertilizer with every watering. Been serving me well this year. My plants are all growing like weeds 🤣.

  19. Excellent timing! I have been overwatering my chilli pepper plants and was wondering why they wouldn't thrive 😢😂..
    At the starting phase of chilli plants, should I use a more nitrogen heavy fertilizer, for better foliage? And then switch to more P/K heavy when it's become a good size?
    Also, I have aubergines which have some purplish leaves – I feed them tomato feed, so it's probably just the colour of the plant, right? Not a P/K deficiency??
    Thanks so much for this vid and would be so happy if you answered my questions ❤

  20. OMG! I should've watched this before putting transplants in the ground yesterday. I fertilized them right after. 😢 They're tomatoes so I hope they'll be okay.

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