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Ornamentals

Gardenia

Gardenia jasminoides

Gardenia
Photo: Adriel anv00 · CC BY-SA 4.0 · Wikimedia Commons

A shrub with intensely scented white flowers; a classic for patios and pots.

Light
Partial shade
Height
1–1.5 m
Watering
Moderate: 2–3 times a week in summer
Soil
acid, pH 4.5–5.5
Edible?
No: ornamental
How to plant
Dig a hole twice the root ball; 1 m apart. Water well the first summer.
Care
Needs acid soil and lime-free water; lime turns the leaves yellow. Shade it in the hottest hours.

Calendar by climate

Warm coast
Mild Mediterranean
Southern interior
Continental interior
Cold interior and uplands
Atlantic
Canary Islands (subtropical)
SowPlantHarvestPruneFeedTreat

Dates are for growing outdoors, based on the local climate. In a greenhouse or tunnel everything comes earlier.

Feeding and doses

Mild Mediterranean

  • Ericaceous fertiliserApr, Jun30–50 g / plant
  • Iron chelateApr5–10 g / tree

Pest prevention and doses

Mild Mediterranean

  • Scale insectsPotassium soap · Jun10–20 ml / L

Approximate doses: always follow the product label. Spray in the evening, never in full sun or on flowers visited by bees. No sulphur above 30 °C.

How easy to grow by climate

  • Warm coastNeeds regular careToo warm a climate
  • Mild MediterraneanNeeds regular careHot, dry summers
  • Southern interiorDifficultExtreme summer heat
  • Continental interiorDifficultFrost and a short season
  • Cold interior and uplandsNot recommended outdoorsHard, long frosts
  • AtlanticEasy
  • Canary Islands (subtropical)Needs regular careNo winter chill

Plants in the same category

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What you get

How to do it

  1. Tap Share . In Safari it's at the bottom (on iOS 26, tap “•••” first); in Chrome, in the address bar.
  2. Scroll and choose “Add to Home Screen” (if it isn't there, tap “View More”).
  3. Tap “Add”. If you see “Open as Web App”, leave it on.
  4. Done: open Hortario from the new icon.

On iPhone the icon app keeps its own data: you may need to pick your area and plants again.