Garden Care Guide

Globe Thistle Care

Echinops ritro

A very hardy plant with globe-shaped blue flower heads that blooms in summer. It likes full sun and poor, dry, well-drained soil; thanks to its drought tolerance it is ideal for water-saving gardens (xeriscape).

Hardy · -30 °C / -22 °F

Monthly care calendar

Timings are for a temperate Northern Hemisphere climate. In warmer areas tasks start earlier, in colder areas later; in the Southern Hemisphere shift them by six months.

January
  • Pruning: Dry flower heads and stalks left for winter appeal can be cut.
  • General care: The plant is dormant; good drainage is important to prevent root rot.
February
  • Fertilizing: Not required, it prefers poor soils.
  • General care: It is getting ready to wake; clean the surroundings.
March
  • Watering: Not needed. Spring rains are sufficient.
  • General care: A silvery, thistle-like leaf rosette forms and grows.
  • Pests & diseases: Check the young shoots for aphids; it is generally not a problem.
April
  • General care: Flower stalks begin to rise.
May
  • Watering: Young saplings can be watered during drought; not needed for mature plants.
  • Pruning: Regularly remove spent flowers at the base; this encourages new flowering.
  • Plant protection: Watch for powdery mildew.
  • General care: Rapid growth period.
  • Pests & diseases: Powdery mildew (white powder) can appear in humid conditions.
June
  • Watering: In a long drought, water deeply once a month.
  • Pruning: Regularly remove spent flowers at the base; this encourages new flowering.
  • General care: Flower buds become prominent and flowering begins.
July
  • Watering: In midsummer, deep watering every 15-20 days is enough. Established plants (over 2 years old) do not need watering in most years. Water so that the soil is wetted to a depth of 10-15 cm from the surface.
  • Pruning: Regularly remove spent flowers at the base; this encourages new flowering.
  • General care: Main flowering period; an excellent focal point for bees and butterflies.
August
  • Watering: In midsummer, deep watering every 15-20 days is enough. Established plants (over 2 years old) do not need watering in most years. Water so that the soil is wetted to a depth of 10-15 cm from the surface.
  • Pruning: Regularly remove spent flowers at the base; this encourages new flowering.
  • General care: Flowering continues or ends.
September
  • Watering: In a long drought, water deeply once a month.
  • Pruning: Regularly remove spent flowers at the base; this encourages new flowering.
  • General care: The best time for planting new seedlings or division (can be difficult); you can collect and sow the seeds.
October
  • Watering: Not needed; the rains begin.
  • Pruning: Once the plant starts to yellow, you can cut all above-ground parts, or leave them standing for winter interest.
  • General care: Planting of seedlings can continue.
  • Pests & diseases: Against the risk of root rot, pay attention to the drainage of newly planted plants.
November
  • Pruning: If you have not cut the dry stalks, you can cut them now.
  • General care: It goes into winter dormancy.
  • Pests & diseases: It is dormant.
December
  • General care: The plant is fully dormant.

The care advice on this page is general and for information only; it is not professional advice. Plant age, soil and your garden’s microclimate can change the outcome. Plant protection products are mentioned only as general information; they are regulated, and the choice, dose and timing must be decided by a qualified professional under local rules. Consult a landscape architect or agronomist before applying.

Want reminders for every plant in your garden? Our garden-care app with monthly task lists and frost alerts is currently available in Turkish; the English version is on the way.

Browse all plant guides