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Essential Guide to Houseplant Care: Diagnosing and Fixing Plant Problems

Discover how to effectively care for your houseplants and prevent common issues that lead to their demise. This guide covers essential aspects such as soil quality, nutrient management (NPK), and environmental factors like temperature and light. Learn about the detrimental effects of pests, bacteria, and viruses on your plants, and understand how to maintain proper pH levels and nutrient balance. With practical tips, you'll ensure healthy growth and vibrant foliage, ultimately keeping your houseplants alive and thriving.

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Essential Guide to Houseplant Care: Diagnosing and Fixing Plant Problems

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Presentation Transcript

  1. How to Kill a Houseplant

  2. Overview • Soil Issues • Temperature • Light • Insects • Bacterium • Viruses

  3. Soil Issues N, P, K, Lime Fertilizer Done Right!

  4. Nitrogen • Macronutrient • Readily noticeable • Tender growth (lettuce) • Dark green • Lots of Growth! • Too Much = Bad Thing • Lower resistance to disease • Weaken stem • Fruits too soft • Delay maturity • Readily leached, loss of $

  5. What it Looks Like

  6. Phosphorus • Not usually available to plants, although present in soil • Usually not a problem if you have too much • Cell division: roots especially • Speeds up maturity (forces flowering) • Not Enough = Bad Thing • Purple coloring • Reduced fruit or flower production • Susceptible to cold and diseases

  7. What it Looks Like

  8. Potassium, a.k.a Potash • Multi-Purpose • Increases resistance to disease • Strong Roots • Healthy chlorophyll • Starch formation – potatoes • Efficient use of CO2

  9. The Trouble with Salt • ALL macronutrients are a form of a salt. • Salt is bad. • Salt can be leached out • But fertilizers are applied with water. • Don’t also want to leach fertilizers….

  10. Flood Watering?

  11. Lime • Regulates pH • Also provides calcium, a micronutrient • Plants like it a little bit acidic (5.6-7.0) • Water evaporation vs. Rainfall determines pH • Lime RAISES pH • Sulfur LOWERS pH

  12. Many Tons/Acre on a Big Scale!

  13. Above Ground Issues Temp & Light

  14. Temperature • Each type of plant has a preferred range for growth and maturing, magic number is 90 • Too hot of temps will speed up maturity: bolting • Too cold and plants will be stunted

  15. Light • How plants eat, determine when to flower • Photoperiodism • Short day plants – flower when days are short and nights are long • Long day plants – Flower when days are long and nights are short • Roots change structures, stem growth is awkward

  16. Here comes the sun…

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