Seedling Stems And Leaf Veins Have A Reddish-purple Color - Knowledgebase Question

Warrington, PA
Question by Falcone3
May 2, 2000
My Blue Enchantment Convolvulus seedlings developed a reddish-purple color in the stem and leaf veins. It seems to have worsened as I've taken them outside to harden them off. Is it too much sun (they were under lights prior to outside) or nutrient deficiency (phosphorus)? If it's the latter what sort of fertilizer should I use to supply the right nutrients.


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Answer from NGA
May 2, 2000

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Phospohorus deficiency could be the reason, as could overly acid soil or overly cold soil. You might try giving it complete a water soluble fertilizer with a high middle number which would include phosphorus, and plant them in the ground as soon as they are ready. It is unusual to have an extreme phosphorus deficiency as long as you have been using a complete fertilizer, so I would suspect cool temperatures or other stress such as needing to be repotted.

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