Dying Lily of the Nile - Knowledgebase Question

Tucson, AZ
Question by Cara02
June 29, 2005
I planted a Lily of the Nile and and have been watering it lightly but regularly and now it's starting to dye, should I not be watering it every day? I've tried going a day or two with out watering and it seems to just get worse. HELP?!?!


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Answer from NGA
June 29, 2005

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Watering lightly is not effective because the root ball doesn?t get moistened. Water should be penetrating at least one foot deep.

Use a soil probe (any long, pointed piece of metal or wood to poke into the soil) to check how far water has penetrated. The probe moves easily through moist soil, but stops when it hits hard dry soil. There are numerous variables involved for watering schedules, such as type of soil, how fast or slow it drains, sun and wind exposure at your site, temperature, age and condition of the plants and much more. Use the information above to determine how moist the soil is before automatically applying more water. If you use a drip system, it's essential that you allow your drip system to run long enough for water to penetrate the appropriate depth. Depending on the size emitters, soil type, etc. this might take several or many hours. If you apply by hand, the point is still the same.

Desert soil and water both contain salts, which can accumulate in the root zone over time. This salt buildup forms where the water stops penetrating. Short periods of watering cause salts to build up in the top layers of soil and damage or kill your plant. Salt burn shows up as yellowing. Deep watering?or leaching?prevents this by flushing the salts past the root zone. Always water slowly, deeply and as infrequently as possible. Good luck!

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