Petunia × hybrida
Petunia
Common names: Garden petunia, Hanging petunia
Photo: Jerzy Opioła · CC BY-SA 4.0 · Source
This description was machine-translated.
Description
The petunia is the undisputed queen of balcony boxes and trellises: from May until the first frost it showers itself with funnel‑shaped flowers in almost every color, from pure white through pink and red to deep violet. Hanging and compact varieties grow in dense cascades of blooms that continue to flower all summer without pause, provided they receive plenty of water and nutrients.
Care instructions
Plant after the last frost in mid‑May in nutrient‑rich soil at a warm, sunny spot, petunias are frost sensitive. Water daily, especially on hot days in the morning and evening, and fertilize weekly, as petunias are heavy feeders and otherwise bloom sparsely. Remove faded and sticky flowers regularly, especially after rain. A light pruning in midsummer stimulates tangled plants to produce fresh, dense new growth.
Soil & site
Soil pH
Soil type
humus-rich, well-drained, nutrient-rich
Feeding
Heavy feeder
Companion planting
Good neighbors
asparagus family (Asparagaceae)
particularly well establishedAsparagus and tomato benefit from each other. The tomato keeps the asparagus beetle away, and the asparagus repels threadworms that harm the tomato.
For example AsparagusFunkieBluebellMuscariHyacinthAmerican Agave
Source: classic companion planting (DACH-Gartenpraxis)
mint family (Lamiaceae)
particularly well establishedYou will find that basil next to tomato and pepper improves taste and keeps whiteflies and aphids away.
For example LavenderThymeBasilRosemarySageHyssop and 31 more species in the catalogue
Source: classic companion planting (DACH-Gartenpraxis)
borage family (Boraginaceae)
Borage attracts pollinators and is supposed to keep tomato pests away from the nightshade family.
For example BoragoCommon comfreyPhaceliaForget-me-notNatternkopfSwamp Forget-Me-Not and one more species in the catalogue
Source: organic greenhouse companion planting practice
Rather not
amaryllis family (Amaryllidaceae)
Onions slow down the growth of nightshade family plants next to potatoes and tomatoes; the classic crop-rotation rule also applies in the bed side by side.
For example GarlicOnionLeekChivesDaffodilRocambole and 12 more species in the catalogue
Source: basic crop-rotation rule
daisy family (Asteraceae)
Sunflowers release substances into the soil that inhibit potato tuber growth, and they also compete for water and nutrients.
For example Head lettuceTagetes patulaCalendulaSunflowerCommon coneflowerFall Aster and 57 more species in the catalogue
Source: basic crop-rotation rule
gourd family (Cucurbitaceae)
You should avoid planting potato and cucumber together because they share disease pathogens such as leaf and brown rot and stand in each other's way as strong feeders.
For example CucumberPumpkinCourgettepickling cucumberButternutHokkaido and 14 more species in the catalogue
Source: basic crop-rotation rule
Companion planting is partly traditional gardening lore. Where the reason is known, it is given.
Some of these explanations were machine-translated.
Diseases & pests
1 relevantFrom the knowledge base, automatically linked by affected species. How to spot and prevent them is covered in full in the lexicon.
Sciaridae
Fungus gnats are small, black flies from the family Sciaridae whose larvae live in moist potting compost, where they feed on root hairs and young shoots.
More on Fungus gnatsNotes from real gardens
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