Gadenin日本語Get the appWhy chillies split rather than lean
A chilli branches from a low fork into a Y, and that fork is the weak point for the rest of the plant's life. The pods hang near the branch tips, so the load sits as far from the fork as it can, and when a summer squall catches a wet plant the fork splits straight down the main stem.
This is not a slow failure you can watch coming. It happens in one gust, in one night, and you lose a third or a half of a plant that took three months to build.
A split fork can sometimes be saved. Push the two halves back together, bind the stem tightly with soft tape or a strip of cloth, and stake both sides. It knits within a few weeks if you catch it the same day.
Put the support in at planting
Drive the stake at planting time, before the roots are there to hit. A stake pushed in later, next to an established plant, goes straight through the root plate, and the damage shows a week afterwards as unexplained wilting.
- One cane per plant, at planting A cane three to four feet (90 to 120 cm) long, pushed a foot (30 cm) into the ground, two inches (5 cm) clear of the stem on the windward side.
- First tie low Tie the main stem at about six inches (15 cm) as soon as it is planted. Rocking at the base breaks fine roots and holds the plant back for weeks.
- Tie again at the fork When the plant forks, put a tie just below the fork. That one tie carries more load than all the others together.
- Keep adding as it grows A tie for every eight inches (20 cm) of height, loose in a figure of eight around the stem and tight against the cane. The stem thickens, and a tight tie will strangle it.
Choosing the method for the plant
The right support depends on how big the plant gets and how exposed the site is. Small bushy types in a sheltered corner may need nothing at all; a tall type in an open plot needs more than a single cane.
| Method | Suits | Notes |
|---|---|---|
| Single cane | Most types, up to 3 ft (90 cm) | Cheapest and quickest; tie every 8 in (20 cm) |
| Three canes in a tripod | Tall or heavy cropping plants | Tie the branches out to the canes, not just the stem |
| Ring or cage | Bushy types with many branches | Support without tying; drop it over the plant when small |
| Stake and string row | A row of plants | One string each side at 12 and 24 in (30 and 60 cm) holds the whole row |
| No support | Dwarf types in a sheltered spot | Only where the plant stays under 18 in (45 cm) |
The stake and string row is the least work for the most plants. Two horizontal strings down each side of the row hold every plant upright without a single individual tie.
Containers need more, not less
A potted chilli in full crop is top heavy on a small base, and the whole pot goes over in wind. The plant itself may be fine, but a pot blown over in the afternoon and left until evening dries out enough to drop every flower.
Use a pot at least ten inches (25 cm) across and heavy at the base, push the cane right to the bottom of the pot rather than a few inches in, and stand pots against a wall or group them so they hold each other up.
Checking and adjusting through the season
Support is not a job you do once. The plant changes shape through the summer and the ties that were right in early summer are the ones that damage it in late summer.
| When | What to check | Action |
|---|---|---|
| Every fortnight | Ties cutting into thickened stems | Cut and retie loosely |
| Before a forecast storm | Heavy branch tips, loose stakes | Add a tie at the fork and firm the stake |
| After heavy rain | Leaning plants, soft ground | Push the stake back down before the soil dries |
| At full crop | Branches bending under pods | Tie individual branches out, or pick early |
| Late season | Split or rubbed bark at the ties | Move the tie an inch and pad it |
Note in your records which plants needed extra support and how exposed that part of the plot was. It is the cheapest way to work out where the wind actually runs through your garden.
If a branch breaks anyway
A branch broken clean off is gone; take it back to the fork with a clean cut so the wound seals, and pick any usable pods off it. A branch cracked but still attached is worth splinting with a short cane and soft tape, and it will often carry its crop to the end of the season.
Either way, take some load off the rest of the plant afterwards by picking the largest pods a little early. A plant that has just lost a branch cannot fill everything that is left on it.