Tree lupin (Lupinus arboreus) is a shrub that can grow 1.5m – 3m tall and 1.5m – 3m wide. In this growing guide we’ll learn the cultivation details and how to plant Tree lupin (Lupinus arboreus).
This plant has several common names including: tree lupin or yellow bush lupine.
This is a evergreen plant that takes 2-5 years to reach full maturity.
In this article
Plant profile
Common name: tree lupin, yellow bush lupine
Scientific name: Lupinus arboreus
Plant type: Shrubs
Habit: Bushy
Height: 1.5m – 3m
Spread: 1.5m – 3m
Foliage: Evergreen
Sunlight: Full Sun, Partial shade
Soil: Loam, Sand
Moisture: Well drained
Garden type: Coastal, Informal Garden, Wildflower meadow
Planting type: Cut Flowers, Flower borders and bedding
Other characteristics: RHS Award of Garden Merit
Seasonal colors
| Season | Stem | Foliage | Flower | Fruit |
|---|---|---|---|---|
| Spring | ||||
| Summer | ||||
| Autumn | ||||
| Winter |
How to plant Tree lupin (Lupinus arboreus) – Krzysztof Ziarnek, Kenraiz, CC BY-SA 4.0, via Wikimedia Commons
Shrubs are fundamental elements in any garden.
They add color and interest throughout the seasons with their wide variety of flowers, foliage, fruits, trunks and stems.
Whatever the size or style of your garden, the permanent woody structure or the foliage of evergreen shrubs will give the space shape and dimension.
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How to plant
In this section we will learn how to plant Tree lupin (Lupinus arboreus), know its needs in terms of soil, watering and sun exposure.
Soil
Tree lupin (Lupinus arboreus) is a plant that prefers to grow in loam or sand.
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The loam soil is dark, rich in organic matter but balanced in minerals. It offers the best of all worlds, retaining enough water for the plants, but allowing excess moisture to drain away. This is the most desired type of garden soil, perfect for most plants.
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Sandy soil is light, porous and very easy to drain. It is a soil poor in organic matter and nutrients. It is composed of relatively large mineral particles that allow water to drain quickly.
As for pH, it is a plant that grows ideally in soils with pH acid or neutral.
Regarding drainage, Lupinus arboreus likes to grow in well drained soil.
Sunlight
Tree lupin (Lupinus arboreus) is a plant that should be grown in full sun or partial shade positions.
Cultivation profiles – Growing Tree lupin (Lupinus arboreus) – Krzysztof Golik, CC BY-SA 4.0, via Wikimedia Commons
