Gnarly trees

Who says trees are only for big gardens? With the right container and some knowledge, you can enjoy vibrant foliage, beautiful blossoms, and even delicious fruit in the smallest outdoor spaces. Whether it’s a balcony, patio, or small garden, potted trees are an ideal way to add elegance, colour and beauty.To help you get started, we have prepared this simple guide to help you choose the best trees for pots and containers and show you how to care for them with ease and confidence. And if you'd like to see what's possible, visit us at Arundel Arboretum in Chichester, West Sussex, or browse our online store. We offer a wide selection of container-friendly trees - from ornamental Japanese maples to fruitful apple and pear varieties. Our friendly team is always happy to offer expert advice, delivery, and planting support to help your garden thrive. Why Grow Trees in Containers? There are plenty of reasons why growing trees in pots is becoming increasingly popular. Here are some:•    Perfect for small spacesNo garden? No problem. Potted trees are perfect for balconies, patios, courtyards, and small outdoor areas.•    Ideal for rented homesNo permanent home? No problem. You can enjoy lush outdoor space without permanent planting and take all your trees with you when you leave.•    Easier to maintainTricky soil? No problem. Growing trees in containers gives you more control over soil quality, drainage, and pruning, making it easier to create perfect conditions for healthy growth. •    Simple to move aroundNo fixed layout? No problem. You can easily move them to sunnier spots, protect them from wind or frost, or rotate them to highlight seasonal colour, blossoms, or fruit. How to Choose the Right Container Tree? Not all trees thrive in pots so choosing the right one makes all the difference. Here’s what to keep in mind when picking the perfect tree for your patio, balcony, or small UK garden.•    PurposeDo you want a tree for structure, colour, or fruit? Choose a type that matches your goal and your lifestyle.•    Growth HabitSlow-growing, dwarf, or naturally compact trees are most suitable for growing in pots.Even though you can control size and shape of potted trees, some varieties simply don’t respond well to pruning and root trimming.•    Final Size & ShapeTake into consideration the tree’s mature height, spread, and root system. Make sure it won’t outgrow the space or become top-heavy in its container. The Best Trees to Grow in Containers in the UK Here are some of the best varieties to grow in containers across the UK, grouped by their main features: Architectural & Evergreen Container Trees These trees add height, shape, and elegance to your outdoor space all year round. They are perfect for framing doorways, screening off neighbours, or giving patios an elegant look with very little care.•    Italian CypressA tall, narrow, evergreen tree that can add a formal, Mediterranean feel to small UK gardens. It’s stunning, drought-tolerant and low-maintenance.•    Olive TreeWell-known for its sculptural form with twisted trunk and silvery-green leaves. It brings timeless Mediterranean charm to UK patios and courtyards. Tough and drought-tolerant, it thrives in sunny, sheltered spots in southern UK gardens.•    Dwarf Conifers & SpruceIdeal for pots and containers as they are naturally compact and slow-growing. A great choice for front doors and shaded corners Ornamental & Flowering Container Trees These trees bring colour, seasonal interest, and delicate beauty to small gardens, patios, and balconies. They can offer something special in every season and they are well-suited for growing in containers.•    Japanese Maple (Acer palmatum)A very popular choice because of its elegant form and brilliant autumn colours that range from yellow and orange to red and purple, depending on the variety. Compact and slow-growing, it is ideal for sheltered patios or courtyards.•    Juneberry (Amelanchier)A popular choice for UK gardens, thanks to its year-round appeal and low-maintenance nature. Starry white flowers bloom in spring and are followed by purple summer berries and vibrant orange-red autumn foliage.•    Cornus Florida / Kousa DogwoodElegant and lovely, this tree is perfect for containers. It produces large, petal-like bracts in shades of white and pink in spring, which are followed by attractive red berries in summer and vibrant leaves in autumn.•    Saucer Magnolia (Magnolia Soulangeana)One of the UK’s favourite flowering patio trees loved for its large, tulip-shaped, soft pink or creamy white flowers that bloom in early spring, before the leaves appear.•    Crape Myrtle (Lagerstroemia)Compact, ornamental tree known for its attractive bark and lovely summer flowers in shades of pink, red, or white. It requires a warm, sheltered spot to thrive in most UK regions.•    Witch Hazel (Hamamelis)A striking tree that offers fragrant flowers in late winter when little else blooms. Its rich autumn colours – golden yellow, copper, red, purple – are another excellent feature. Fruiting & Edible Container Trees Fruiting trees in containers don’t just look beautiful. They let you enjoy fresh home-grown fruit even in the smallest of spaces. Ideal for patios, courtyards, and compact UK gardens, especially in sheltered spots where they can truly thrive.•    Crab Apple (Malus)A compact, ornamental tree with masses of white, pink, or red blossoms in spring, and small, edible, brightly coloured fruits in autumn that persist way into winter. It is hardy and well-suited to most UK regions.•    Fig TreeOne of the best trees for growing in containers in the UK. Its leaves provide lush, tropical feel and its fruits are sweet and tasty. It naturally prefers root restriction, which makes it a perfect tree for growing in pots.•    Bay (Laurus nobilis)A beautiful evergreen tree with fragrant, aromatic leaves. It’s tough, low-maintenance, and perfect for pots. Excellent culinary tree for patios and courtyard gardens across the UK.•    Apple & Pear (patio/dwarf varieties)These dwarf varieties are grafted onto special rootstocks (M26 or M106) to keep their size manageable while still bearing full-sized apples and pears. Choose self-fertile or pair varieties for the best crop. Exotic & Unusual Container Trees •    Musaceae (Banana Tree)With its huge, tropical-style leaves, this tree brings exotic feel to UK patios and courtyards. It is fast-growing and eye-catching and makes a fantastic summer feature. It thrives best in warm, sheltered spots and requires regular watering to stay lush. How to Choose the Right Pot for Container Trees? The right container can make all the difference to your tree’s health and growth. Here’s what to consider when choosing the best pots for trees in UK gardens.•    Size & DrainagePick a container that’s large enough for root growth and has good drainage holes.•    MaterialTerracotta is breathable and looks great but can dry out quickly. Plastic pots retains moisture better, and are easier to move. Fibreglass and ceramic are durable and offer better insulation in cold weather.•    ColourLight-coloured pots stay cooler in full sun, while darker pots absorb heat which can stress the roots when it’s very hot.•    Mobility Consider using pot feet or a wheeled base to help with drainage and make heavy pots easier to move.  Container Tree Setup & Maintenance UK Proper setup is essential for keeping your container tree healthy for years to come.  Follow these simple steps to ensure your trees thrive in pots year-round. Choose the Right Soil •    Use the Right Potting MixUse a high-quality compost made for trees or shrubs. For potted trees in the UK, a loam-based compost like John Innes No. 3 works great. However, acid-loving trees such as Amelanchier need John Innes Ericaceous compost.•    Check DrainageYour container must have enough drainage holes prevent root rot, a common issue in UK’s damp climate.•    Repot or Refresh SoilOver time, soil loses nutrients and becomes compacted. So, refresh the top 5–10 cm of compost every year, and fully repot your tree every 2–3 years. Watering & Feeding •    WateringSoil in containers dry out faster, especially in warm and windy weather. Therefore, water regularly and deeply to ensure moisture reaches the entire root system.•    FeedingNutrients in the compost get used faster in containers so it is essential to regularly feed your potted tree. Use slow-release fertilizers in spring and liquid feed during the season. Prune for Health & Shape Pruning helps control the shape, canopy growth, root size, and overall potted tree health.•    How to prune the canopy?The best time to prune depends on the tree species. First remove dead, damaged, and diseased branches. Then, thin out crowded areas and trim to maintain shape and good airflow. •    How to prune the roots?Every 2-3 years, gently remove the tree from the pot and trim back up to one-third of the root ball. Then, replant with fresh compost. Winter Care for Potted Trees Potted trees are more vulnerable to cold weather than those planted in the ground. UK winters can damage roots or cause waterlogging, so take a few simple steps to protect your container trees.o    Protect roots from freezingWrap containers with bubble wrap, fleece, or hessian, or place them inside larger pots lined with insulating material. This is especially important in northern or exposed UK gardens.•    Move tender trees to shelterFor trees that aren’t fully hardy, like olive, fig, or citrus, move pots into a greenhouse, shed, or close to a house wall for extra warmth and protection. South-facing walls work best to shield from frost.•    Raise pots off the groundUse pot feet or bricks to lift containers slightly and prevent the pot sitting on frozen ground. Also to avoid waterlogging, which can lead to root rot. Positioning Where you place your container tree is equally important. Use this simple light guide to find the best spot for your potted tree in a UK garden.•    Full Sun Lovers:o    Olive, Fig, Banana (Musaceae), Italian Cypress, Lagerstroemiao    They need a warm, sunny spot, ideally south or west-facing in the UK.•    Part Shade Friendly:o    Maple, Cornus, Magnolia, Amelanchiero    Great for patios with morning or filtered afternoon sun.•    Shade Tolerant:o    Bay, Witch Hazel, Coniferso    Ideal for north-facing patios or shaded courtyards. Final Thoughts Container trees require a bit of extra attention compared to those planted in the ground, but the rewards are well worth it. They can completely transform small spaces and turn patios, balconies, and courtyards into beautiful, peaceful outdoor retreats. Ready to get started? Visit us at Arundel Arboretum in Chichester, West Sussex, or explore our online store to find the perfect tree for your container garden. We offer a wide variety of trees suitable for growing in pots and containers, from elegant ornamentals to hardy evergreens, all ideal for UK gardens and outdoor spaces.  When it comes to fruit trees, we stock a premium selection of dwarf and ultra-dwarf fruit trees, specially grafted for container growing. Discover how a single tree can transform your space and bring a little joy to your everyday!        

Ericaceous compost is a type of specialized compost that is formulated for plants that thrive in acid soils. The term "ericaceous" originates from the botanical family Ericaceae, which includes plants like rhododendrons, azaleas, camellias, and heathers, all of which prefer acidic growing conditions. Here's what you need to know about ericaceous compost: pH Level: The primary characteristic of ericaceous compost is its low pH level, usually within the range of 4.5 to 6.0. This makes it suitable for acid-loving plants. Content: Ericaceous compost typically doesn't contain any lime, which is often added to standard composts to raise the pH. Instead, it may contain ingredients like peat or coir, which are naturally acidic. Benefits: For plants that thrive in acidic soils, ericaceous compost provides the right pH environment for nutrient uptake. Many essential nutrients become less available to plants in alkaline conditions, so using the right type of compost is crucial for the health of these plants. Limitation: It's important to note that ericaceous compost isn't suitable for all plants. If used for plants that prefer neutral to alkaline soils, it can hinder their growth and overall health. Alternative to Peat: Due to environmental concerns related to the extraction of peat from peat bogs, there has been a push to use alternatives. Coir (coconut fiber) is one such alternative that's being used in some ericaceous composts. Other organic matter like composted bark or composted bracken can also be used. Regular Monitoring: If you're growing acid-loving plants in pots or containers, it's a good idea to periodically test the pH of the compost. Over time, the pH can change, especially if you're using tap water for irrigation, as it's often alkaline. If you're looking to grow acid-loving plants, using ericaceous compost is an excellent way to provide them with the best growing conditions, especially if your native soil isn't naturally acidic.

Acer palmatum, commonly known as the Japanese Maple, is a beautiful tree known for its delicate leaves and brilliant fall colors. When planting or potting a Japanese Maple, it's important to provide it with the right growing medium to ensure its healthy growth. For Acer palmatum, the ideal compost should offer the following characteristics: Well-Draining: Japanese Maples don’t like to sit in waterlogged soil. Ensure the compost provides good drainage. Acidic to Neutral pH: Acer palmatum prefers slightly acidic to neutral pH levels. Ericaceous compost, which is formulated for acid-loving plants, can be suitable. However, pure ericaceous compost might be too acidic. A mix of ericaceous compost with a general-purpose compost can be used to achieve a slightly acidic to neutral pH. Organic-Rich: A compost rich in organic matter will support the tree's growth by providing necessary nutrients and improving soil structure. This can be achieved by adding well-decomposed leaf mold, composted bark, or well-rotted compost to the mix. Mulching: After planting, consider adding a layer of mulch on top. This helps retain moisture, regulate soil temperature, and suppress weeds. Ensure the mulch doesn’t touch the tree's trunk to prevent rot. Potted Trees: If you're growing the Acer palmatum in a container, ensure the compost is especially well-draining. You might want to incorporate some perlite or grit into the compost to enhance drainage. Regular Monitoring: While Japanese Maples aren't overly demanding, it's a good idea to keep an eye on the moisture levels, especially in containers. Ensure the tree gets regular but not excessive water, letting the top layer of soil dry out slightly between waterings. In summary, a well-draining, slightly acidic to neutral, and organic-rich compost is best suited for Acer palmatum. Depending on your local soil conditions, you may need to amend your garden soil with appropriate compost or potting mix if you're planting your Japanese Maple in the ground.