Do plants see brightness? What is PAR? // Knowledge Nugget #2
Growing Joy with Plants - Wellness Rooted in Nature, Houseplants, Gardening and Plant Care
Maria Failla- Happy Plant Lady and Author of Growing Joy: The Plant Lover's Guide to Cultivating Happiness
4.8 • 883 Ratings
🗓️ 1 March 2022
⏱️ 14 minutes
🧾️ Download transcript
Summary
Has the concept of “bright indirect light” ever confused you? Or how to measure your light in your home in general? Or how to figure out when you need to supplement with grow lights, and if you get grow lights, how to set your plants up for success under them? Light is probably the most confusing topic when it comes to our plants. It was definitely my biggest pain point when I was starting out as I had so many plants in what I thought was indirect light… but it was actually extremely low light. Lucky for us, Leslie Halleck, my plant friend and Bloom and Grow Garden Society's resident horticulturist, breaks down brightness and PAR for us in this Knowledge Nugget. Let's dive in!
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In this episode we learn:
- [00:19] Is light your biggest pain point in your plant care?
- [00:54] What to expect from this mini-series episode
- [01:25] What are Knowledge Nuggets?
- [03:26] Why brightness is not important
- [04:06] What is PAR and why is it important to your plants?
- [05:13] Which spectrums of light are optimal for photosynthesis?
- [06:22] Why do plants grow best in red light?
- [07:11] Where to get the best horticulturist-led plant education
- [08:34] What the next Node of Knowledge lecture is about
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Transcript
Click on a timestamp to play from that location
| 0:00.0 | Has the concept of bright indirect light ever confused you or how to measure your light in your general home area or how to figure out when you need to supplement with grow lights and if you get grow lights how do you set those |
| 0:13.4 | plants up for success under them? Light is probably the most confusing topic when it |
| 0:18.1 | comes to our plants and I only know this because it was my biggest pain point when I was starting out as I had so many |
| 0:24.7 | plants in what I thought was bright indirect light but once I learned what light was from |
| 0:30.5 | Leslie Halleck today's guest. |
| 0:32.8 | I realized I was putting plants in extremely low light conditions |
| 0:36.3 | thinking that I was putting them in medium light conditions. |
| 0:39.5 | It's all really hard to grasp |
| 0:41.4 | without diving into what light actually is, how we as humans perceive |
| 0:46.1 | brightness and light, and how that could look different to our plants. |
| 0:51.2 | Because for our plants it's not about brightness, it's about par or photosynthetically active |
| 0:56.0 | radiation and the volume of light that's hitting our plant leaves to help that plant make its |
| 1:01.6 | food via photosynthesis. |
| 1:03.0 | You've likely seen the word or acronym PAR thrown around and today we're lucky enough |
| 1:09.0 | that plant friend and expert Leslie Halleck is breaking down brightness and what P-A-R or PAR is in this nugget of knowledge for |
| 1:18.1 | Blue Mangro Radio. radio. |
| 1:27.0 | Hey, plant friends. Welcome back to the new mini series that is showing up once a month on Blumenger Radio, |
| 1:31.0 | which we're calling nuggets of knowledge or |
| 1:33.8 | knowledge nuggets these many episodes that I guess are sponsored by the |
| 1:37.8 | Blumengrow Virtual Garden Society is all about giving you guys |
| 1:42.4 | highly informational, |
| 1:43.7 | actionable snippets of our monthly note of knowledge, |
... |
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