Garden Care Guide

Smilax excelsa Care

Smilax excelsa

A very vigorous, large, thorny native climber adapted to sunny or shaded areas and all soil types. It is used to cover large areas or big trees; because it grows very aggressively, it must be kept under control with regular, hard pruning.

Half-hardy · -12 °C / 10 °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: Main pruning time. The plant can be pruned very hard to keep it under control. Remove unwanted branches and root suckers. Heavy gloves are essential.
  • General care: Controlling its spread is the most important care.
  • Frost risk: In hard and prolonged frosts, cover the root zone with mulch or dry leaves; also protect young plants. It is damaged below about -12 °C.
February
  • Pruning: Finish pruning work by the end of the month.
  • General care: A suitable month for new plantings (be careful).
  • Frost risk: In hard and prolonged frosts, cover the root zone with mulch or dry leaves; also protect young plants. It is damaged below about -12 °C.
March
  • Watering: Only for newly planted seedlings, 10-15 L/week if it stays dry; reduce if there is rain.
  • Pruning: Prune just before the shoots break. Because flowers form on this year's new shoots, hard pruning increases flowering.
  • General care: New shoots (the edible 'saparna' tip) begin to grow rapidly. Pull out immediately those that come up in unwanted places.
April
  • Watering: If there is no rainfall, water every 15 days.
  • Pruning: Guide fast-growing shoots onto a support or cut off the unwanted ones.
  • General care: It is a very aggressive growth period. It produces inconspicuous flowers.
May
  • Watering: If there is no rainfall, water once a week.
  • Pruning: Pruning can continue.
  • General care: Spread a 5-7 cm layer of mulch over the root zone; it retains soil moisture and suppresses weeds. Do not pile mulch against the trunk.
June
  • Watering: Water deeply twice a week; prefer infrequent and generous watering over small and frequent. The area around the roots should be wetted to a depth of 20-30 cm.
  • Pruning: Pruning can be continued to control its spread.
July
  • Watering: Water deeply twice a week; prefer infrequent and generous watering over small and frequent. The area around the roots should be wetted to a depth of 20-30 cm.
  • Pruning: Pruning can continue.
  • General care: Keep it in a position sheltered from midday sun; scorching at the leaf edges is a sign of burn.
August
  • Watering: Water deeply twice a week; prefer infrequent and generous watering over small and frequent. The area around the roots should be wetted to a depth of 20-30 cm.
  • Pruning: Pruning can continue.
September
  • Watering: If there is no rainfall, water once a week.
  • Pruning: Cut branches that are growing out of control.
  • General care: Red fruits begin to form.
October
  • Watering: If there is no rainfall, water every 15 days.
  • General care: The red fruit clusters are decorative throughout winter.
November
  • General care: A suitable month for planting new seedlings.
  • Frost risk: Protect newly planted seedlings during the first winter.
December
  • Pruning: The main pruning period can begin.
  • Frost risk: In hard and prolonged frosts, cover the root zone with mulch or dry leaves; also protect young plants. It is damaged below about -12 °C.

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.

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