Handbook for growing bougainvillea on townhouse balconies

bougainvillea grown on the balcony needs lots of sunlight, a sturdy pot, fast drainage and a safe support frame. This article guides you on choosing the location, substrate, pot and how to set up a compact canopy for a townhouse space.

Summary: Bougainvillea flowers are suitable for townhouses because they tolerate sunlight well, are easy to shape, and bloom brilliantly when cared for properly. But on the balcony, plants are limited by pots, sun, wind and railing safety. If you want a durable tree, you need to choose a sunny location, a sturdy pot with large drainage holes, a well-drained substrate, and make a support frame from the beginning.

Applies to: Balconies, terraces, porches, small yards or bougainvillea pots in townhouses.

Duration: 1-2 hours to establish new pot, monitor for first few weeks.

Difficulty level: Medium. Need to control the canopy and water in the pot.

Estimated additional costs: 200 thousand to several million VND depending on the size of the tree, pot and support frame.

Bougainvillea needs sunshine

The most important factor for bougainvillea to flower is light. Trees that lack sunlight often have good leaves and long branches but few flowers.

Good location:

• Direct sunlight for at least a few hours each day.
• Breathable but does not cause trees to fall.
• Do not let rainwater stay for a long time at the bottom of the pot.
• There is a place to fix the support frame or canopy wire.

Balconies facing East are often easier to take care of because they have bright sunlight. Facing the West with strong sunlight, the plant will still survive well, but you need to pay attention to floor heat and quick drying of the pot.

Choose plants when buying

You should choose a tree with:

• Solid roots, not wobbly.
• The canopy is balanced, not too skewed.
• Green leaves, not falling in bulk.
• The roots are not rotten or the bulbs are soggy.
• The main branch is still flexible for shaping.

Do not choose a tree that is being forced to bloom too hard, has lots of falling leaves, dry bulbs or branches that are stretching uncontrollably. The plant has beautiful flowers when purchased, but its weak roots will quickly decline after being placed on the balcony.

Choose a safe pot

bougainvillea flowers have quite strong crowns and branches, so the pot must be sturdy. Pots that are too light can easily fall when the wind is strong or when the tree's canopy is deflected.

Principles for choosing pots:

• There is a large drainage hole.
• The bottom of the pot is raised high to allow water to drain after rain.
• The pot is heavy enough or has a fixed point.
• The size is suitable for the canopy, not too small.
• Do not place the pot on the edge of the railing if it is not securely fixed.

With apartment balconies, safety must come before aesthetics. Branches should not extend beyond the railing, pots should not be at risk of falling in strong winds.

Bougainvillea growing medium

bougainvillea flowers do not like prolonged waterlogging. The substrate needs good drainage but still retains enough moisture on hot days.

Can combine:

• Clean land.
• Hun Husk.
• Processed coconut fiber.
• Pumice, perlite or light gravel.
• A little decomposed organic fertilizer.

Reference formula:

If the balcony is prone to rain, add mineral materials and raise the pot high. If the terrace is too hot, it needs to be kept moist better but still needs to be drained.

Planting and fixing trees

Steps:

1. Prepare a pot with drainage holes.
2. Give the substrate a layer of air at the bottom.
3. Place the plant in the pot, keeping the root neck level with the substrate.
4. Fill the potting medium around the pot, compact it lightly.
5. Fix the base so the tree doesn't wobble.
6. Water well for the first time.
7. Place the plant in a sunny place, monitor for 1-2 weeks.

Do not fertilize strongly when the tree has not yet recovered its roots. After planting, the tree needs to stabilize first and then increase nutrition.

Make a support frame and guide canopy

bougainvillea flowers can climb, droop or create bushes. On the balcony, the canopy should be neatly guided so that the tree does not obstruct the path and does not extend beyond the railing.

How to do:

• Install the support frame firmly from the beginning.
• Use soft string to tie the branches, do not tighten.
• Pipe the branches in the direction you want to create a canopy.
• Check the ties periodically because branches grow quickly.
• Remove inward growing or weak branches.

Do not let the branches become tangled before dealing with them. When the tree has turned woody and stretched, adjusting the canopy will be more difficult.

Follow up after planting

For the first few weeks, monitor:

• Does the tree sprout new buds?
• Are the leaves falling abnormally?
• How long does it take for the pot to dry?
• After rain, is there water left in the bottom of the pot?
• Is the canopy tilted toward the light or outside the railing?

If the tree only has good leaves but few flowers, you need to review the sunlight, pruning and watering regime. Do not increase nitrogen fertilizer to force flowers.

Checklist for growing bougainvillea flowers on the balcony

• [ ] Choose a location with direct sunlight for a few hours a day.
• [ ] Use a sturdy pot with large drainage holes.
• [ ] Place the bottom of the pot to drain water after rain.
• [ ] The substrate drains well but does not dry out too quickly.
• [ ] Fix the root and support frame.
• [ ] Do not let branches extend dangerously beyond the railing.
• [ ] Record the sunlight direction, number of hours of sunlight and flowering time.

Mistakes to avoid

Place in a place lacking sunlight and then increase fertilizer to force flowers: the plant still has many leaves, few flowers and is easily weak.

Plant in too small a pot but leave a large canopy: the tree dries out quickly, falls over easily and is difficult to control.

Let rainwater accumulate at the bottom of the pot: pumpkin roots, yellow leaves and root rot.

Do not make the support frame from scratch: branches get tangled, get in the way and are difficult to shape.

Leaving branches overhanging the railing: unsafe, especially when the wind is strong.

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