Mountain Tarweed thrives in well-drained soil and prefers to dry out slightly between waterings. Water deeply when the top inch of soil feels dry, especially during dry spells.

Avoid waterlogging, as this can lead to root rot. Reduce watering frequency during cooler months or when the plant is dormant.

Pruning is typically minimal for Mountain Tarweed. Remove dead or spent flower stalks to maintain a tidy appearance and prevent self-seeding if unwanted.

Light trimming can be done after flowering to shape the plant or encourage bushier growth. Avoid heavy pruning, as it can disrupt the plant's natural form.

Madia glomerata can be easily propagated from seeds sown directly outdoors in early spring or late fall. Alternatively, seeds can be started indoors a few weeks before the last frost.

Division of established clumps in spring is also an effective method. Ensure seeds and divisions are planted in well-draining soil.

Repotting is usually not necessary for Madia glomerata, as it is often grown as an annual or short-lived perennial.

If grown in a container and it becomes root-bound, repot into a slightly larger pot in spring using a well-draining potting mix. This is more common for cultivated specimens than wild plants.