Astragalus glaux prefers well-drained soil and can tolerate dry conditions once established. Water sparingly, allowing the soil to dry out completely between waterings. Overwatering can lead to root rot.

Reduce watering significantly during winter dormancy to prevent waterlogged roots.

Pruning is generally minimal for Astragalus glaux. Dead or damaged stems can be removed at any time of year. If the plant becomes leggy or overgrown, light trimming after flowering can help maintain a more compact shape.

Avoid severe pruning to prevent stressing the plant.

Propagation is typically done through seeds sown in early spring or autumn. Stratification may improve germination rates for some Astragalus species.

Alternatively, softwood cuttings can be taken in late spring or early summer and rooted in a well-draining medium under humid conditions.

Astragalus glaux is not a heavy feeder and dislikes root disturbance. Repotting is rarely necessary unless the plant becomes severely root-bound.

If repotting is required, do so in early spring before new growth begins, using a well-draining soil mix. Handle the root ball with care.