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Lessons from Lavender

March 2019

I grow lavender in my corridor, an atrocious west-facing location that is shrouded in the morning, baked by a scorching afternoon sun, and blasted by bellowing belches of sea wind from the Labrador coast. Joy of joys. After too many trips to plant nurseries and doling out "tuition fees", I finally have something stable going on and friends have asked me to share how I've managed to make growing lavender in Singapore happen.

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Before I do, I'm going to share some of the contemplations I derived, elaborating upon this metaphor mostly in the moments where I was breathing in perlite dust and clipping dead lavender leaves, whilst regretting all the things. As one does. It's poisoning of the mind!

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What I've learnt from growing lavender is that 
cultivating people is a little like cultivating plants.

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​ON THERAPY

  • Psychodynamic therapy focuses on the roots of our being. I very quickly learnt the adage 'healthy roots make healthy plants' as a newbie hobbyist gardener. There was root rot and water-logging, soil aeration and compaction, and soil pH. Roots were at once a finicky yet resilient body part. There was the matter of not damaging the root ball, which was pretty much the core of the plant. You could trim off unhealthy roots and surround them with new, nurturing soil, which you'd water so the roots would accept the new material, and grow into it.

  • Cognitive therapy focuses on matters at the head level. The crown of our plants, of course, are the leaves. CBT is like amending and removing unhelpful bits, such as removing yellowing leaves that may harbour and spread fungal disease, or stymieing pest infestations. I nearly lost my 4-year-old butterfly pea plant to spider mites! I thought the speckled, wilting and stunted foliage was due to under-watering, so I watered furiously, which only further stressed the plant.

  • Solution-focused therapy is about important and practical fix-its! Some plant problems may simply involve moving the plant to a different location (e.g. one that's less/more sunny, windier, etc.) and there's nothing wrong with the plant system itself that needed therapying.

  • Humanistic psychology is about the fibres of our being. It holds steadfast that an acorn's nature is to grow into a mighty oak. My favourite psychology article by far and away is Can Happiness be Taught? by Dr. Martin Seligman, where in this case, an Amazonian lizard's nature is to stalk and shred.

    Ultimately, each approach to psychotherapy across the spectrum and praxis, has it uses. Being dogmatic to orthodoxy isn't wise and misses the big picture.

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ON DAILY LIFE

  • Routines. Plants are regulated by a circadian rhythm too. How about that? I had wondered for a while if I was really observing sudden growth spurts overnight every morning when I checked on my plants. I found out that my African violet needed to have at least eight hours of darkness to activate florigen, its flowering hormone. It's just like the importance of establishing for ourselves proper sleep hygiene.

  • Hygiene. Pruning, pinching, and deadheading all lead to healthier growth. Self-care is really about looking after yourself and doing the things you need to do even when it's hard, and aspects of hygiene (brushing your teeth!, showering!) can often be a struggle during bad mental health days.

  • Social support. Welcome plant friends, and embrace the good and bad that comes with them! Butterflies, caterpillars, bees, and snails have visited my garden. Ladybirds, earthworms and predator mites are great plant friends if you have access to these. Fellow companion plants are also friends: the nitrogen-fixing pea + supportive corn + mulching squash form the Three Sisters.

  • Ecology. Growing lavender in Singapore is metal, pain, and suffering precisely because it's not meant for tropical climes¹. Another gardening adage I've learnt and adhered to since is don't choose plants you like, but choose plants that suit your location. I now grow local flowers such as bunga kesidang (bread flower), melati putih (sambac jasmine), bunga raya (hibiscus), thuốc lào (wild tobacco), vanilla, and bunga telung (butterfly pea). This is pretty much the namesake of ecological system theories where the understanding of individuals is contextually sited within their community, society, and wider environment.

  • Don't be afraid of technology and innovation. Upside-down planting? Go for it.

  • Resilience. More is not more! Over-fertilising, over-watering, shallow planting, and other iterations of anxiety will stifle plants. Some seeds need to be buried snugly for healthy root formation, for example.

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Japanese farmer-philosopher Masanobu Fukuoka remarked,
"The ultimate goal of farming is not the growing of crops,
but the cultivation and perfection of human beings."

Lavender houseplants in Singapore

On to the lavender.

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I am sharing what worked for me in my aforementioned planting conditions. I plant in soil only, so I won't be discussing set-ups like hydroponics. You are welcome to consult any other online guide to your heart's content and try out what works for your location. There are some prolific lavender gardeners at the Urban Farmers (Singapore) Facebook group!
Nota bene: I am a hobbyist gardener. Always take professional horticulturalist advice over mine!

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  • Get a well-established lavender plant from a nursery to start. Don't get attached because it is probably going to die in a few weeks' time from root rot; it may already be suffering from this at point of sale but symptoms are not visible yet.
    Some of these nursery pots come as five plants stuffed into one container to make them look bushy and appealing but separating them is a nightmare. Others come as one individual plant, but their roots are painfully crushed together because they've overgrown their pot. Either way, repotting these is work. 
    Ultimately, in Singapore, cuttings are pretty much the way to go.
    The cheapest place to buy lavender plants is at World Farm (15 Bah Soon Pah Road), about S$6 a pot². At other nurseries a similar pot may cost S$12++.

Lavender cutting being rooted in water
  • Propagate cuttings in water.

    1. Materials. You will need:

      • An alkaline solution. Alkali bottled water works!

      • A clean, disinfected blade.

      • Small, clear glass bottles/containers, covered with mesh netting or cling film with holes to insert the cuttings and to prevent mosquitoes. Smaller is better, as the cuttings release rooting hormones into the water which you don't want to dilute.

    2. Prepare your cutting. Choose healthy green stems with no flowers, and cut below a leaf node (where leaves are attached to the stem), to obtain a cutting of about 4-6 inches.
      You can trim off the bottom half of leaves to help the plant conserve energy.
      Lightly score the very bottom of the stem - this is where the roots will grow from.

    3. Rooting. Suspend these cuttings over the solution.
      Let the base make the barest of contact with the water surface, to reduce rot.
      Make sure your cuttings receive loads of yummy sunlight, and shade during harsh afternoon heat.
      Don't let leaves come in contact with the water as they will rot.
      Rooting hormone powder is not necessary.
      You can cover your set-up with plastic containers/container bags to maintain the humidity around the cuttings.

DSC09712s.jpg
  • Potting into soil.
    After as short as 3 weeks, some of the cuttings may develop roots (see above). Generally this growing process would take a month or longer. Be patient - the cutting can be left in the solution for as long as 5 months; just remember to refill the liquid. When the roots are about 2 inches you can plant them in soil.

    Choose a pot that is the right size - too large and you risk over/under-watering.
    Fill the soil around the plant and press in lightly so that the soil makes contact with the roots. 
    Water well to encourage the roots to grow into the new soil.

    Trim off excess top foliage so energy can be directed into further root growth and allow branching.
    You will know if your cutting doesn't make it when it begins turning gray-brown from the bottom upwards. Conversely, when your cutting begins directing its energy towards growing new leaves, you're clear!

A young lavender cutting that is growing in soil.

YOU DID IT! Congratulations! Commence the usual care for lavender:

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  • Soil mixture: Combine 50%-60% perlite, 20-25% cactus soil, and 20% potting mix (I use compost). When you water this mixture, you should expect to see water drain through the bottom of the pot immediately - that's how well-draining the medium needs to be. This is especially crucial in our humid climate.
    Mulch with a layer of perlite or gravel to keep foliage dry.

  • Watering: Deep watering once a week, more frequently if your location is sunnier. We are aiming for moist, not soggy. With a water meter this will be about 3-6 on a scale of 10. At some point of time you'll be able to tell simply by the weight of your potting container. Your plant will also droop if it is thirsty!

  • Light requirements: Full sun³.

  • Air circulation: Do not crowd plants. Allow for ample space between them to achieve good air circulation and dry foliage. Clip off rotted brown leaves; remove them from the pot to prevent fungal spreading. Do not leave them as leaf litter.

  • Fertilising: Lavender does not really require fertiliser; it is more aromatic when grown in poor soil.

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Happy planting and I wish you success!

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¹ Singapore is USDA Hardiness Zone 11b while lavender typically thrives in Zone 5-9. A rating beyond USDA 11 is more or less meaningless however since these zones are designed for US and 11 is the highest. I've read that Singapore would actually qualify for a 13/14 rating.

² They are usually local nursery-grown Lavandula × ginginsii 'Goodwin Creek' or hybrid Lavandula angustifolia imported from Cameron Highlands. Shipments come in every Wednesday, so that is the best time to pick your lavenders. Many retailers get their stock from these nurseries. On occasion, specialist florists and supermarkets may import from Japan some cultivars such as Lavandula × intermedia 'Grosso' (ラベンダー・グロッソ), Lavandula × heterophylla (ラベンダー・スイート), Lavandula stoechas (ラベンダー・ストエカス), and Lavandula dentata (ラベンダー・デンタータ).

³ In Singapore, "full sun" is fire and brimstone. Leave your lavenders in direct afternoon sun for no more than one hour. You may observe that at nurseries, these typically sun-loving herbs are still kept under a shade cover.

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