Drought-resistant plants: 6 options for a healthy garden

Keeping a garden healthy during prolonged dry spells is a familiar challenge in many parts of Brazil. Where temperatures are high and the soil is dry, choosing drought-resistant plants is an effective approach. They can remain attractive with less frequent watering, cutting water use without detracting from the look of a patio, garden or balcony.

Which drought-resistant plants are best for the garden?

Drought-resistant plants can cope with extended gaps between waterings while retaining their foliage, flowers or fragrance with lower water requirements. Popular choices for home gardens include lavender, pelargonium, herbs such as sage and thyme, petunias and echinacea, also known as coneflower.

When designing a drought-tolerant bed, many householders pair ornamental plants with edible varieties to create an area that is both attractive and useful. The garden can then provide aromatic leaves for cooking, flowers that draw pollinators and a more balanced setting, with varying heights, colours and leaf shapes.

Watch a video on the Spagnhol Plantas YouTube channel about urban botany, gardening in full sun and the practical cultivation of species that need little watering:

How do lavender, pelargonium and coneflower help save water?

Lavender performs well in well-drained soil and sunny positions, making it an excellent choice for terracotta pots or raised beds. Once it has flowered, it can be pruned into a compact, scented shrub that remains decorative throughout the year without needing frequent watering.

Pelargonium, commonly known as geranium, produces flowers in a range of colours and withstands wind, heat and moderate periods without water, provided its growing medium drains freely. Echinacea, meanwhile, is ideal for beds in full sun, copes well with drought and attracts bees and butterflies, supporting the pollination of other plants in the garden.

How do sage, thyme and petunias perform during dry weather?

Among aromatic herbs, sage and thyme combine ornamental appeal with culinary uses, and both favour direct sun and light soil. Sage has broader leaves with a velvety texture, whereas thyme is low-growing and delicate, allowing it to be used as edging or as partial ground cover in large pots.

Petunias are widely grown in hanging pots and window boxes because their gently trailing growth spills over the edges. They tolerate some lack of water when planted in a suitable growing medium and containers holding a good volume of soil, ensuring plentiful blooms even in drier summers.

What daily care keeps drought-resistant plants healthy?

Even drought-resistant plants require a few straightforward measures to remain strong. Choose light, free-draining soil enriched with organic matter, and opt for larger pots, which hold moisture for longer and lessen root stress on hot days.

A number of practical steps make dry periods easier to manage:

• Use a good-quality growing medium that combines effective drainage with moderate moisture retention.
• Grow plants in large pots or deep beds, so roots can extend downwards in search of water.
• Cover the soil surface with low-growing plants or mulch, such as pine bark, to reduce evaporation.
• Reposition pots on the hottest days, moving them into partial shade where necessary.

If leaves wilt because of insufficient water, water the soil thoroughly without soaking it, then wait a few days before watering again. Do not fertilise stressed plants; fertiliser can be applied again around a week after recovery, helping to keep the garden green, practical and low-maintenance throughout the year.