Astilbe ‘Red Sentinel’

Astilbe ‘Red Sentinel’ is a bog plant that can grow 50cm – 1.5m tall and 50cm – 1.5m wide. In this growing guide we’ll learn the cultivation details and how to plant Astilbe ‘Red Sentinel’.
This plant is commonly known as astilbe ‘Red Sentinel’.
This is a deciduous plant that takes 2-5 years to reach full maturity.
In this article
Plant profile
Common name: astilbe ‘Red Sentinel’
Scientific name: Astilbe ‘Red Sentinel’
Plant type: Bogs, Perennials
Habit: Clump-forming
Height: 50cm – 1.5m
Spread: 50cm – 1.5m
Foliage: Deciduous
Sunlight: Full Sun, Partial shade
Soil: Clay, Loam, Sand
Moisture: Moist but well drained, Poorly drained
Garden type: Informal Garden
Planting type: Flower borders and bedding
Seasonal colors
Season | Stem | Foliage | Flower | Fruit |
---|---|---|---|---|
Spring | ||||
Summer | ||||
Autumn | ||||
Winter |

How to plant Astilbe ‘Red Sentinel’ (Astilbe ‘Red Sentinel’) – Agnes Monkelbaan, CC BY-SA 4.0, via Wikimedia Commons
Whether small or large, formal or informal, every garden has space for an aquatic element. The sound and reflective qualities of water have long been used to add interest to gardens.
A pond, fountain or even a smaller water container greatly increases the variety of plants you can grow. In addition, they also encourage a wide variety of wildlife, including insects, frogs, toads and birds.
Together with plants, these elements offer a diversity of interests.
How to plant
In this section we will learn how to plant Astilbe ‘Red Sentinel’, know its needs in terms of soil, watering and sun exposure.
Soil
Astilbe ‘Red Sentinel’ is not a demanding plant regarding the type of soil and can grow in clay, loam or sand.
-
Clay soil is composed of more than 25 percent clay particles. These particles have a high moisture holding capacity and the soil is heavy to dig and can be waterlogged in winter (dry in summer).
-
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.
-
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, Astilbe ‘Red Sentinel’ likes to grow in moist but well drained or humid or poorly drained soils.
Sunlight
Astilbe ‘Red Sentinel’ is a plant that should be grown in full sun or partial shade positions.