These are the following things needs to be considered for
growing spider plants. You might have not followed any of the following conditions which might have led to its illness.
Light:
Undemanding. Spider plants prefer bright light, and tend toward scorching in direct sunlight. However, they will grow in conditions ranging from semi-shady to partial direct sun.
Water:
Water liberally through the summer. Mist occasionally. During winter, cut watering back.
Temperature: Do not let fall below 50ºF or expose to cold drafts.
Soil:
Spider plants like fast-draining, well-aerated potting mix.
Fertilizer:
Feed weekly during the summer with liquid fertilizer or use pellets at the beginning of the
growing season.