Oncidium Sharry Baby : Fragrant Chocolate Scented Orchid

Oncidium Sharry Baby is famous for its prolific sprays of blooms that carry a sweet chocolate-like scent. This popular orchid is a favorite for both beginners and experienced growers, offering a rewarding display with proper care. Its charming flowers and unique fragrance make it a standout in any collection.

We will cover everything you need to know to keep your orchid thriving. You will learn about its light, water, and temperature needs. We will also discuss potting, feeding, and how to encourage those signature blooms.

Oncidium Sharry Baby

The Oncidium Sharry Baby is a hybrid orchid, scientifically known as Oncidium Sharry Baby ‘Sweet Fragrance’. It is a cross between Oncidium Jamie Sutton and Oncidium Honolulu. This breeding gives it its remarkable flowering power and delightful scent.

It produces long branching sprays that can hold dozens of flowers. Each small bloom is typically a mix of burgundy, white, and yellow. The fragrance is most potent during the warmer parts of the day.

Origin And History

This hybrid was registered in 1983 by the Hawaiian orchid breeder Sharry. It quickly gained worldwide popularity for its reliable and showy performance. Its ability to bloom multiple times a year under the right conditions adds to its appeal.

Physical Characteristics

The plant has typical Oncidium structure with oval pseudobulbs at the base. From these, long, slender leaves grow. The flower spikes emerge from the base of new growths and can reach impressive lengths.

Pseudobulbs and Foliage

The pseudobulbs are water-storing organs that help the plant through dry periods. They should appear plump and green. Wrinkled pseudobulbs often indicate a need for more water.

The leaves are long, narrow, and flexible. They are a medium green color when the plant is receiving adequate light. Leaves that are very dark green may signal too little light.

Flowers and Fragrance

The flowers are approximately one inch in diameter. They have a classic Oncidium shape, often described as “dancing ladies”. The chocolate-like scent is its most famous trait, reminiscent of vanilla or baking cocoa.

Popular Varieties And Similar Hybrids

While the classic Sharry Baby is most common, there are awarded clones with slight variations. Some may have more red or white in the flowers. Similar fragrant hybrids include Oncidium Twinkle and Oncidium Heaven Scent.

Optimal Growing Conditions

Providing the right environment is key to a healthy Oncidium Sharry Baby. This involves managing light, temperature, and humidity. Mimicking its natural growing conditions will lead to success.

Light Requirements

This orchid needs bright, indirect light to thrive and flower well. An east or west-facing window is often ideal. Direct midday sun can scorch the leaves, causing yellow or brown patches.

  • Ideal light level: Bright, filtered light.
  • Sign of good light: Leaves are a grassy green color.
  • Sign of too much light: Leaves turn yellowish or develop sunburn spots.
  • Sign of too little light: Leaves become very dark green and the plant refuses to bloom.

Temperature And Humidity

Oncidium Sharry Baby prefers intermediate to warm temperatures. A drop in temperature at night can help initiate flower spikes. Consistent warmth is important during active growth periods.

Humidity should be maintained between 50% and 70%. This can be achieved with a humidifier or a pebble tray. Good air movement is crucial to prevent fungal issues in high humidity.

  1. Daytime temperatures: 75-85°F (24-29°C).
  2. Nighttime temperatures: 60-65°F (15-18°C).
  3. Ensure a 10-15 degree Fahrenheit drop at night for best blooming.

Air Circulation

Stagnant air is a major enemy of orchids. A gentle breeze from an oscillating fan helps strengthen the plant. It also keeps leaves dry and reduces the risk of rot and disease.

Planting and Potting Mix

Choosing the right pot and medium is fundamental for root health. Oncidium Sharry Baby has fine roots that need both moisture and air. The potting mix must drain quickly while retaining some moisture.

Choosing The Right Pot

Plastic or clay pots with ample drainage holes are suitable. Clear plastic pots allow you to monitor root health. Many growers prefer slotted orchid pots for extra aeration. The pot should be just large enough to accommodate the roots with a little room for new growth.

Potting Media Options

The potting medium should be loose and chunky. It should never become soggy or compacted. Here are common components used in mixes:

  • Medium-grade fir bark: Provides structure and drainage.
  • Sphagnum moss: Holds moisture, use sparingly.
  • Perlite or charcoal: Improves aeration and keeps the mix fresh.
  • Coconut husk chips: A sustainable alternative to bark.

Step-by-Step Repotting Guide

Repot your Oncidium Sharry Baby every 1-2 years, or when the medium breaks down. The best time is after flowering, when new roots begin to emerge. Here is how to do it:

  1. Gently remove the plant from its old pot, teasing apart any tangled roots.
  2. Carefully cut away any dead or rotted roots with sterile tools. Healthy roots are firm and white or green.
  3. Place the plant in the new pot, positioning the oldest pseudobulbs against the edge.
  4. Hold the plant at the right height and fill in around the roots with new potting mix.
  5. Tap the pot to settle the mix, but do not pack it down tightly.
  6. Wait a few days before watering to allow any root wounds to heal.

Watering and Fertilizing Schedule

Proper watering is the most common area where growers face challenges. The goal is to keep the roots moist but not waterlogged. Fertilizing provides the nutrients needed for growth and flowering.

How To Water Correctly

Water thoroughly until it runs freely from the drainage holes. Then, allow the potting mix to approach dryness before watering again. The frequency depends on your climate, pot type, and medium.

  • In warm, bright weather: You may need to water every 5-7 days.
  • In cooler, dimmer weather: Watering every 10-14 days may be sufficient.
  • Always check the moisture level in the pot’s center before watering.

Fertilizer Type And Application

Use a balanced orchid fertilizer, such as 20-20-20, or a formulation with higher nitrogen for growth. During the blooming period, a fertilizer higher in phosphorus can be beneficial.

A common and safe method is to “feed weakly, weekly.” Dilute the fertilizer to 1/4 or 1/2 the recommended strength. Apply it every other watering during the active growing season. Flush the pot with plain water once a month to prevent salt buildup.

Seasonal Adjustments

Reduce both watering and fertilizing in the winter when growth slows. The plant still needs light and some moisture, but its requirements are lower. Resume regular feeding when you see signs of new growth in spring.

Encouraging Blooms and Propagation

The main reward for your care is the spectacular floral display. Getting your Oncidium Sharry Baby to rebloom consistently requires attention to a few key triggers. Propagation allows you to create new plants.

Bloom Triggers And Cycle

Mature pseudobulbs are responsible for producing flower spikes. The plant typically blooms after new pseudobulbs have fully developed. The temperature drop at night is a critical environmental cue for spike initiation.

Once a spike appears, it can take several weeks for it to grow and open all its buds. A mature, healthy plant can produce multiple spikes per year, sometimes even three.

How To Promote Flowering

  1. Ensure the plant receives enough bright, indirect light year-round.
  2. Maintain the recommended nighttime temperature drop for 2-3 weeks.
  3. Use a bloom-booster fertilizer (higher in phosphorus) as new growths mature.
  4. Avoid repotting when the plant is about to spike, as this can abort the process.

Propagation Methods

The primary method for home growers is division during repotting. This is done by separating the rhizome that connects the pseudobulbs. Each division should have at least 3-4 mature pseudobulbs with healthy roots to ensure it can recover and grow.

Make sure your cutting tool is sterile to prevent infection. You can dust the cut surfaces with cinnamon or a fungicide. Pot each division separately and care for it as a mature plant, though it may skip a blooming cycle while it establishes.

Common Pests and Problems

Even with good care, you may encounter some issues. Early identification and treatment are essential. Most problems are related to cultural conditions.

Identifying And Treating Pests

Common orchid pests can affect the Oncidium Sharry Baby. Regular inspection helps catch them early.

  • Scale: Look like small, brown bumps on leaves and pseudobulbs. Treat with horticultural oil or insecticidal soap.
  • Spider Mites: Cause fine stippling on leaves. Increase humidity and use miticides if severe.
  • Aphids: May attack new growths and buds. A strong stream of water or insecticidal soap works well.

Leaf And Root Issues

Yellowing leaves can be a natural process if it’s an old leaf. Widespread yellowing often indicates overwatering or poor root health. Black or brown soft spots on leaves usually signal a bacterial or fungal infection.

Root rot is caused by a medium that stays too wet. The roots become mushy and brown. The solution is to cut away the rotten roots and repot into fresh, well-draining mix.

Why Won’t My Orchid Bloom?

This is the most frequent question from growers. The most common reasons are insufficient light and lack of a nighttime temperature drop. Other causes include under-fertilizing, a plant that is too young, or repotting at the wrong time.

Care Summary and Seasonal Checklist

Here is a quick reference guide to keep your Oncidium Sharry Baby on track throughout the year. Adjust based on your specific local climate and indoor conditions.

Spring And Summer Care

  • Provide bright, indirect light; shield from harsh afternoon sun.
  • Water frequently as the medium dries quickly in warm weather.
  • Fertilize with a balanced formula every other watering.
  • Ensure good air circulation with a fan.

Fall And Winter Care

  • Maximize available light as days shorten; a grow light can help.
  • Reduce watering frequency, allowing more time between waterings.
  • Implement the nighttime temperature drop to encourage spiking.
  • Reduce fertilizing to once a month or pause entirely.

FAQ About Oncidium Sharry Baby

How Often Does The Sharry Baby Orchid Bloom?

A well-cared-for Oncidium Sharry Baby can bloom one to three times per year. The main bloom period is often in late summer or fall, but it can be variable. Mature plants with many pseudobulbs are most prolific.

Is The Chocolate Scent Of The Oncidium Sharry Baby Strong?

Yes, the fragrance is quite noticeable, especially in a warm room. It is often described as a sweet, vanilla-chocolate scent. The intensity can vary between individual plants and clones.

What Should I Do With The Flower Spike After Blooming?

You can cut the old spike near the base after the flowers fade. Some growers leave it if it remains green, as secondary spikes can sometimes emerge. However, removing it allows the plant to direct energy into new growth.

Why Are The Leaves On My Oncidium Sharry Baby Wrinkled?

Wrinkled leaves are usually a sign of dehydration. This can be from underwatering, but more commonly it’s due to root loss from overwatering. Check the roots health and adjust your watering practices accordingly.

Can I Grow Oncidium Sharry Baby Outdoors?

Yes, in warm, humid climates (USDA zones 10-11), it can grow outdoors in dappled shade. It must be protected from direct sun and brought inside if temperatures drop below 50°F (10°C). In temperate regions, it’s best as an indoor or greenhouse plant.