With the help of gardening specialists, experts have identified 5 plants whose growth must be constantly monitored.
They are not recommended to be planted in the plot if there is no way to reliably limit their spread.
1. Mint
Mint growing in a pot in the store looks completely innocent. However, when planted in open ground, it can quickly spread far beyond the initial planting site.
Mint roots produce underground shoots, so new plants can appear quite far from the main bush.
Experienced gardener and farmer Lindsey Chastein emphasizes that unchecked mint can spread in all directions until it occupies all the soil available to it.
Container and small garden landscaping expert Kristin Saa Nazer advises controlling the plant’s roots from the very beginning. In a small garden, it is best to grow mint in a pot to control the spread of its roots.
What to do? Plant mint only in a pot or bury a pot without a bottom in the ground. Occasionally check if the roots have started to grow beyond its boundaries.
2. Wisteria
Wisteria is valued for its impressive spring bloom, but over the years it can become a very large woody plant.
Without regular pruning and a strong support, it can grow beyond the space allocated to it, deform trellises or fences, and overshadow nearby plants.
According to Kristin, wisteria is exactly the kind of plant that often surprises gardeners: initially charming with its beauty, but it can grow to an impressive size and requires constant pruning.
Owners of small plots should be especially careful. Wisteria should only be planted where there is enough space and a large, sturdy support.
The Royal Horticultural Society (RHS) recommends pruning wisteria twice a year: flexible green side shoots in July–August, and then again in January–February, cutting them back to 2–3 buds.
What to do? Plant wisteria only where there is space for a strong permanent support, and be prepared to prune it in summer and winter.
3. Buddleia
Buddleia attracts with dense, nectar-rich flower clusters that butterflies and other pollinators especially love.
However, some varieties grow much larger than gardeners expect – several meters high and wide. Moreover, mature bushes produce many light seeds that are easily dispersed by the wind.
Gardening expert Lucy Bradley states that controlling buddleia growth requires three actions: strong pruning, timely removal of faded flower clusters, and controlling unwanted growth.
For common Buddleja davidii varieties, it is recommended to strongly cut back the main stems in spring, leaving about 30–60 cm height from the ground. This prevents the bush from becoming an uncontrollably growing “tree”.
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To reduce self-seeding, faded flower clusters should be removed in mid-summer.
For small plots, it is better to choose dwarf varieties, such as “Butterfly Candy Little Purple,” which only reach about 80 cm in width.
What to do? Prune the bush strongly in spring, and regularly remove faded flower clusters in summer before they have time to mature and disperse seeds.
4. Bamboo
Bamboo has become popular for hedges and garden landscaping due to its rapid growth and evergreen foliage. However, not all its species are equally easy to control.
Specialists divide bamboos into two main groups – clumping and rhizome-spreading.
Rhizome-spreading bamboos can quickly occupy large areas. Underground stems allow the plant to spread, and new shoots can appear far from the initial planting site.
It is recommended to use root barriers, plant bamboo in containers, or choose clumping varieties, such as Fargesia or Chusquea.
Specialists also warn that in small plots, thoughtlessly planted spreading bamboo can later be very difficult and expensive to remove.
What to do? Do not plant spreading bamboo directly in the ground without a reliable root barrier. Regularly check if new shoots have appeared beyond the designated area.
5. Wild grapevine
Wild grapevine can impressively cover bare walls or fences and give them beautiful colors in autumn. However, without pruning, it grows very quickly and can form dense thickets that overshadow other plants.
Specialists warn that cut shoots should not be left on the ground, as they can root right where they fall.
It is best to prune the vine at the beginning of winter, after the leaves have fallen, especially if it starts climbing towards the roof, gutters, or windows.
Particular care should be taken when removing its stems from painted surfaces. The plant’s tendrils have sticky structures that firmly attach to surfaces and can damage paint or leave marks that are difficult to remove.
For small gardens, specialists generally do not recommend this plant – it is better to grow it only where there is enough space.
What to do? Give the plant enough space, regularly prune shoots, especially near the roof, gutters, and windows, and do not allow it to cross the plot boundaries.
The most important rule
These plants are not necessarily “bad” – the problem usually arises when their growth is uncontrolled. If you have a small garden, before planting it is worth assessing not only how the plant looks now but also how large and wide it can grow after a few years.
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Source: unian.net, ve.lt
