Date: 7 Mar 2026
🌞 Spring Nutrition Strategy: How to Identify and Fix Plant Nutrient Starvation

Smokey: It's not dying. It's starving. Classic nutrient collapse. Imagine going two days without donuts.
Sunshine: Two days? That's a PeopleCats rights violation. Catstitution First Amendment: food, including donuts, must remain available.
Smokey: Exactly. Plants feel the same. Let's feed it. Sunshine Robusta. Robusta is coffee, you know.
Sunshine: Obviously they named Sunshine Boosters after my charm. And since it's coffee, it should work perfectly.
One month later
Sunshine: Holy whiskers! You're a magician.
Smokey: No magic. Just boosters.
Sunshine: Great. Coffee is on me when this tree starts producing. You bring the donuts.
Read more about Smokey & Sunshine
Fellow gardeners,
Spring has arrived, and plants are coming back to life. New shoots are
appearing, fresh leaves are unfolding, and roots are beginning to grow
actively again. As plants enter this important stage of the season, they
need more than just water to support their growth. Proper nutrition is
essential for strong development and healthy
plants. SUNSHINE
Boosters provide the balanced nutrition plants need to start the growing
season strong.
A simple rule we follow in our nursery: new growth responds best to foliar feeding. When nutrients are sprayed directly on the leaves, plants can absorb them quickly and efficiently.
- Immediate action – nutrients are absorbed through the leaves and start working right away.
- No delay traveling through soil – plants do not need to wait for nutrients to move down to the roots.
- Avoids soil lockout – micronutrients can become unavailable in high pH soils, but foliar feeding bypasses this problem.
- Supports stressed plants – when roots are cold, damaged, or newly transplanted, foliar feeding helps plants recover faster.
However, sometimes plants begin to show visible nutrient deficiencies. Yellow leaves, slow growth, brown leaf edges, or distorted new leaves are often early signs that the plant is missing essential elements needed for healthy development.
These symptoms are especially common in container plants, where nutrients can be quickly depleted or become unavailable due to soil pH and watering conditions.
Use the quick reference table below to identify common nutrient-related symptoms and the recommended SUNSHINE solution to correct them.
| Symptom you see | What to do |
|
Pale leaves, slow growth, weak new shoots (often nitrogen related) |
Spray SUNSHINE Robusta to stimulate strong vegetative growth. |
|
Brown leaf edges or weak plant vigor (often potassium related) |
Apply SUNSHINE Robusta to restore nutrient balance. |
|
Yellow leaves with green veins (iron or manganese deficiency) |
Apply SUNSHINE Superfood to correct micronutrient deficiency. |
|
Small distorted leaves or poor flowering (zinc or boron deficiency) |
Use SUNSHINE Superfood during active growth period. |
🌿Foliar Feeding: How Much and How Often
For most plants, foliar feeding works best when applied lightly and regularly during active growth.
- Regular feeding (maintenance): Mix with tap water according to the ratio on the label. For SUNSHINE Robusta use 25 ml (5 tsp)per gallon of water and spray leaves every 5-7 days during active growth.
- Correction feeding ("medicine" dose): if plants show visible nutrient deficiencies, combine SUNSHINE Robusta with SUNSHINE Superfood and spray every 5–7 days until new growth appears healthy. All SUNSHINE Boosters products are compatible and can be mixed with water in the same sprayer.
- Best time to spray: early morning or evening when temperatures are cooler and leaves can absorb nutrients efficiently.
- Important: spray both the top and underside of leaves for maximum absorption.







