Fertilizing Tropical Plants

Why do tropical plants need fertilizer?

• To help them grow in the dark

• To provide nutrients they may lack in soil

• To keep insects away

• To make them waterproof

What nutrient in fertilizer promotes strong leaf growth?

• Nitrogen

• Phosphorus

• Potassium

• Iron

What does “N-P-K” stand for on fertilizer labels?

• Nutrition, Power, Kindness

• Nitrogen, Phosphorus, Potassium

• New Plant Knowledge

• Natural Potassium Kelp

Which part of a plant does phosphorus mainly help?

• Leaves

• Flowers and roots

• Stems

• Bark

What can happen if you use too much fertilizer?

• Nothing

• Bigger leaves

• Root burn and plant damage

• The plant turns into a tree

Which of these is a sign your tropical plant may need fertilizer?

• Yellowing leaves

• Dark spots from sunburn

• Falling over

• Dusty leaves

What type of fertilizer is best for most tropical houseplants?

• Fast-release, high nitrogen only

• Balanced show-release fertilizer

• Fish food

• Lawn fertilizer

How often should tropical plants be fertilized during spring and summer?

• Once a year

• Every day

• Every 2-4 weeks

• Only when flowering

Which fertilizer form works over time without frequent applications?

• Liquid

• Spray

• Slow-release pellets

• Powdered sugar

15. Fertilizer can help a plant even if it's not getting sunlight.

• True

• False